List of Nebraska Plants

Browse by Full List

< Botany Home

From 'The Flora of Nebraska' by Kaul, Sutherland, and Rolfsmeier, 2011.

Year of first collection is given for most introduced species.

 

PHYLUM: LYCOPODIOPHYTA

Accepted Name Common Name
FAMILY: ISOETACEAE
Isoetes melanopoda quilwort


FAMILY: SELAGINELLACEAE
Selaginella rupestris spike-moss


PHYLUM: PSILOTOPHYTA

Accepted Name Common Name
FAMILY: OPHIOGLOSSACEAE
Botrychium campestre prairie moonwort
Botrychium simplex least moonwort
Botrychium virginianum rattlesnake fern, Virginian grape-fern
Ophioglossum engelmannii Engelmann's adder's-tongue fern
Ophioglossum pusillum northern adder's-tongue fern


PHYLUM: EQUISETOPHYTA (HORSETAILS)

Accepted Name Common Name
FAMILY: EQUISETACEAE
Equisetum arvense field horsetail
Equisetum x ferrissii scouring-rush
Equisetum fluviatile water horsetail
Equisetum hyemale v. affine common scouring-rush
Equisetum laevigatum smooth scouring-rush


PHYLUM: POLYPODIOPHYTA (FERNS)

Accepted Name Common Name
HOMOSPOROUS FERNS
Adiantum pedatum maidenhair fern
Argyrochosma dealbata powdery cloakfern
Asplenium platyneuron ebony spleenwort
Athyrium filix-femina ssp. cyclosorum lady fern
Cheilanthes feei slender lipfern
Cystopteris bulbifera bladder fern
Cystopteris fragilis fragile fern
Cystopteris protrusa southern bladder-fern
Cystopteris tenuis Mackay's brittle-fern
Dryopteris carthusiana spinulose woodfern
Dryopteris cristata crested woodfern
Matteuccia struthiopteris v. pensylvanica ostrich fern, 2000
Onoclea sensibilis sensitive fern
Pellaea atropurpurea purple cliff-break
Pellaea glabella smooth cliff-break
Thelypteris palustris v. pubescens marsh fern
Woodsia obtusa woodsia, cliff-fern
Woodsia oregana ssp. cathcartiana Oregon woodsia


HETEROSPOROUS FERNS
FAMILY: AZOLLACEAE
Azolla mexicana mosquito fern, azolla


FAMILY: MARSILEACEAE
Marsilea vestita water-clover, pepperwort
Pilularia americana pillwort


PHYLUM: CONIFEROPHYTA (GYMNOSPERMS)

Accepted Name Common Name
FAMILY: CUPRESSACEAE
Juniperus communis v. depressa dwarf juniper
Juniperus horizontalis creeping juniper
Juniperus scopulorum Rocky Mountain juniper
Juniperus virginiana eastern red cedar


FAMILY: PINACEAE
Pinus flexilis limber pine
Pinus ponderosa v. scopulorum ponderosa pine


PHYLUM: MAGNOLIOPHYTA (ANGIOSPERMS)

Accepted Name Common Name
FAMILY: ACANTHACEAE
Justicia americana water-willow; 2003
Ruellia humilis prairie-petunia
Ruellia strepens limestone ruellia


FAMILY: ACERACEAE
Acer ginnala Amur maple
Acer glabrum Rocky Mountain Maple
Acer negundo boxelder
Acer platanoides Norway maple
Acer saccharinum silver maple, soft maple


FAMILY: ACORACEAE
Acorus americanus American sweet-flag
Acorus calamus Eurasian sweet-flag; 1974


FAMILY: ADOXACEAE
Sambucus canadensis elderberry
Viburnum lentago nannyberry
Viburnum opulus highbush-cranberry


FAMILY: AGAVACEAE
Yucca flaccida Adam's needle
Yucca glauca yucca, soapweed


FAMILY: ALISMATACEAE
Alisma gramineum grasslike water plantain
Alisma triviale water-plantain
Echinodorus berteroi burhead
Sagittaria brevirostra arrowhead
Sagittaria calycina arrowhead
Sagittaria cuneata arrowhead
Sagittaria graminea
Sagittaria latifolia arrowhead
Sagittaria longiloba arrowhead
Sagittaria rigida


FAMILY: AMARANTHACEAE
Amaranthus albus pale amaranth, tumbleweed
Amaranthus arenicola sandhills pigweed
Amaranthus blitoides prostrate pigweed
Amaranthus californicus California amaranth
Amaranthus cruentus grain amaranth, 1907
Amaranthus hybridus slender pigweed
Amaranthus hypochondriacus grain amaranth, Prince's plume
Amaranthus palmeri Palmer's pigweed
Amaranthus powellii 1977
Amaranthus retroflexus redroot pigweed, rough pigweed
Amaranthus spinosus spiny pigweed, 1881
Amaranthus tuberculatus water-hemp
Froelichia floridana field snake-cotton
Froelichia gracilis slender snake-cotton


FAMILY: ANACARDIACEAE
Rhus aromatica fragrant sumac, skunkbrush
Rhus copallina v. latifolia shining sumac
Rhus glabra smooth sumac
Rhus typhina staghorn sumac, 2003
Toxicodendron radicans v. negundo poison ivy
Toxicodendron radicans v. rydbergii poison ivy


FAMILY: ANNONACEAE
Asimina triloba pawpaw


FAMILY: APIACEAE (Umbelliferae, alternate name)
Anethum graveolens dill, dillweed
Anthriscus caucalis 1999
Berula erecta v. incisa water-parsnip
Chaerophyllum procumbens spreading chervil
Chaerophyllum tainturieri southern chervil
Cicuta bulbifera bulbous water-hemlock
Cicuta maculata v. angustifolia common water-hemlock
Cicuta maculata v. bolanderi common water-hemlock
Cicuta maculata v. maculata common water-hemlock
Conioselinum chinense hemlock-parsley, 1905
Conium maculatum poison-hemlock, Nebraska-fern, 1936
Cryptotaenia canadensis honewart, white-chervil
Cymopterus acaulis plains spring-parsley
Cymopterus montanus mountain spring-parsley
Daucus carota Queen Anne's lace, wild carrot, 1894
Eryngium planum flat sea-holly, 1883
Eryngium yuccifolium rattlesnake-master
Falcaria vulgaris sickleweed, 1946
Foeniculum vulgare fennel, 1892
Heracleum lanatum cow-parsnip
Lomatium foeniculaceum v. yellow wild-parsley
daucifolium
Lomatium foeniculaceum v. yellow wild-parsley
foeniculaceum
Lomatium nuttallii dog-parsley
Lomatium orientale white wild-parsley
Musineon divaricatum plains musineon
Musineon tenuifolium narrow-leaf musineon
Oenanthe sarmentosa 1990s
Osmorhiza claytonii bland sweet cicely
Osmorhiza longistylis long-styled sweet cicley
Pastinaca sativa wild parsnip, 1890
Polytaenia nuttallii prairie parsley
Sanicula canadensis Canada sanicle
Sanicula marilandica black snakeroot
Sanicula odorata cluster snakeroot
Sium suave water-parsnip
Spermolepis inermis western scaleseed
Torilis arvensis field hedge-parsley, 1992
Zizia aurea golden-alexanders


FAMILY: APOCYNACEAE, including Asclepiadaceae
Apocynum androsaemifolium spreading dogbane
Apocynum cannabinum hemp dogbane, Indian-hemp
Apocynum x floribundum hybrid dogbane
Asclepias amplexicaulis bluntleaf milkweed
Asclepias arenaria sand milkweed
Asclepias asperula ssp. capricornu antelope horn
Asclepias engelmanniana Engelmann's milkweed
Asclepias incarnata swamp milkweed
Asclepias lanuginosa wooly milkweed
Asclepias latifolia broadleaf milkweed
Asclepias pumila dwarf milkweed, plains milkweed
Asclepias purpurascens purple milkweed
Asclepias speciosa showy milkweed
Asclepias speciosa x syriaca
Asclepias stenophylla narrow-leaf milkweed
Asclepias sullivantii Sullivant's milkweed
Asclepias syriaca common milkweed
Asclepias tuberosa ssp. interior butterfly milkweed, pleurisy root
Asclepias verticillata whorled milkweed
Asclepias viridiflora green milkweed
Asclepias viridis spider milkweed, antelope horn
Cynanchum laeve honeyvine, climbing milkweed
Vinca minor vinca, periwinkle


FAMILY: ARACEAE
Arisaema dracontium dragonroot, green dragon
Arisaema triphyllum Jack-in-the-pulpit


FAMILY: ARALIACEAE
Aralia nudicaulis wild-sarsaparilla
Aralia racemosa spikenard
Hedera helix English ivy
Panax quinquefolius ginseng


FAMILY: ARISTOLOCHIACEAE
Asarum canadense wild ginger; 1950s


FAMILY: ASTERACEAE (Compositae, alternate name)
Achillea millefolium yarrow
Ageratina altissima white snakeroot
Agoseris glauca false-dandelion
Ambrosia acanthicarpa annual bursage
Ambrosia artemisiifolia common ragweed
Ambrosia grayi bur ragweed
Ambrosia psilostachya westerm ragweed
Ambrosia tomentosa skeleton-leaf bursage
Ambrosia trifida giant ragweed
Anaphalis margaritacea pearly everlasting
Antennaria dimorpha pussytoes, ladies'-tobacco
Antennaria howellii ssp. neodioica pussytoes, ladies'-tobacco
Antennaria microphylla pussytoes, ladies'-tobacco
Antennaria neglecta pussytoes, ladies'-tobacco
Antennaria parlinii ssp. fallax pussytoes, ladies'-tobacco
Antennaria parvifolia pussytoes, ladies'-tobacco
Anthemis arvensis corn-chamomile, 1914
Anthemis cotula mayweed, fetid chamomile, 1877
Arctium minus burdock, 1885
Arctium tomentosum wooly burdock, 1978
Arnoglossum atriplicifolium pale Indian-plantain
Arnoglossum plantagineum Indian-plantain
Artemisia absinthium wormwood, absinthe, 1972
Artemisia annua sweet sagewort, 1990
Artemisia biennis biennial wormwood
Artemisia campestris ssp. caudata field sagewort, Great Plains wormwood
Artemisia campestris ssp. borealis field sagewort, Great Plains wormwood
Artemisia cana silversage
Artemisia carruthii
Artemisia dracunculus ssp silky wormwood, tarragon
Artemisia dracunculus ssp. glauca silky wormwood, tarragon
Artemisia filifolia sandsage
Artemisia frigida fringed sage, prairie sagewort
Artemisia ludoviciana v. ludoviciana Lousianna sage, white sage, wormwood
Artemisia ludoviciana v. mexicana Lousianna sage, white sage, wormwood
Artemisia tridentata v. wyomingensis big sagebrush
Aster ascendens
Aster borealis bog aster, rush aster
Aster brachyactis rayless aster
Aster drummondii Drummond's blue aster
Aster ericoides ssp. ericoides heath aster
Aster ericoides ssp. pansus heath aster
Aster falcatus ssp. commutatus western heath aster
Aster fendleri Fendler's aster
Aster laevis var. geyeri smooth blue aster
Aster laevis var. laevis smooth blue aster
Aster lanceolatus ssp. hesperius tall white aster, panicled aster
Aster lanceolatus ssp. lanceolatus tall white aster, panicled aster
Aster lateriflorus white woodland aster
Aster novae-angliae New England aster
Aster oblongifolius aromatic aster
Aster ontarionis willow aster, Ontario aster
Aster oolentangiensis azure aster
Aster pilosus hairy aster
Aster praealtus v. nebraskensis willow-leaf aster
Aster sagittifolius arrow-lead aster
Aster sericeus silky aster
Aster subulatus v. ligulatus salt-marsh aster
Aster subulatus v. subulatus salt-marsh aster
Aster urophyllus
Bidens amplissima beggar-ticks
Bidens aristosa var. retrorsa beggar-ticks
Bidens bipinnata Spanish needles
Bidens cernua bur-marigold
Bidens comosa beggar-ticks
Bidens connata v. petiolata beggar-ticks
Bidens connata v. pinnata (B. sandbergii) beggar-ticks
Bidens coronata tickseed-sunflower
Bidens frondosa beggar-ticks
Bidens vulgata beggar-ticks
Boltonia asteroides v. latisquama boltonia, swamp-aster
Boltonia asteroides v. recognita boltonia, swamp-aster
Brickellia eupatorioides v. corymbulosa false boneset
Brickellia grandiflora
Carduus acanthoides smallhead plumeless-thistle, 1930
Carduus nutans musk-thistle, plumeless-thistle, 1932
Carthamus tinctorius safflower, saffron-thistle
Centaurea cyanus bachelor's-button, cornflower, 1892
Centaurea diffusa diffuse knapweed, 1990
Centaurea nigra lesser knapweed, 1992
Centaurea repens (Acroptilon repens) Russian knapweed, 1917
Centaurea solstitialis yellow star-thistle, 1908
Centaurea stoebe ssp. micranthos spotted knapweed, 1980s
Chaenactis douglasii pincushion, dusty-maiden
Chaetopappa ericoides heather-aster
Chrysothamnus viscidiflorus green rabbit-brush
Cichorium intybus chicory, 1880
Cirsium altissimum tall thistle
Cirsium arvense Canada thistle, 1886
Cirsium canescens Platte thistle
Cirsium discolor field thistle
Cirsium flodmanii Flodman's thistle
Cirsium ochrocentrum yellow-spine thistle
Cirsium undulatum wavy-leaf thistle
Cirsium vulgare bull thistle, 1890
Conyza canadensis horseweed, mare's-tail
Conyza ramosissima low horseweed, spreading fleabane
Coreopsis lanceolata lance-leaf tickseed
Coreopsis palmata finger tickseed
Coreopsis tinctoria plains coreopsis, calliopsis
Cosmos bipinnatus cosmos
Crepis atribarba slender hawk's-beard
Crepis occidentalis ssp. costata hawk's-beard
Crepis runcinata dandelion hawk's-beard
Crepis tectorum narrow-leaf hawk's-beard, 1891
Dieteria canescens v. canescens hoary-aster, viscid aster, machaeranthera
Dieteria canescens v. glabra hoary-aster, viscid aster, machaeranthera
Dieteria canescens v. nebraskana hoary-aster, viscid aster, machaeranthera
Doellingeria umbellata v. pubens umbellate-aster, flat-top aster
Dyssodia papposa fetid-marigold
Echinacea angustifolia narrow-leaf purple coneflower
Echinacea pallida pale purple coneflower
Echinacea purpurea purple coneflower
Echinops sphaerocephalus great globe-thistle, 1960s
Eclipta prostrata yerba de tajo
Erechtites hieraciifolius fireweed, burnweed
Ericameria nauseosa v. graveolens rabbit-brush, chrysothamnus
Ericameria nauseosa v. graveolens rabbit-brush, chrysothamnus
Ericameria nauseosa v. nauseosa rabbit-brush, chrysothamnus
Ericameria nauseosa v. oreophila rabbit-brush, chrysothamnus
Ericameria parryi v. howardii Parry's rabbit-brush
Erigeron annuus annual fleabane, eastern fleabane
Erigeron bellidiastrum western fleabane
Erigeron caespitosus fleabane
Erigeron canus hoary fleabane
Erigeron divergens fleabane
Erigeron flagellaris trailing fleabane, whiplash fleabane
Erigeron lonchophyllus
Erigeron ochroleucus var. scribneri
Erigeron philadelphicus marsh fleabane
Erigeron pumilis shaggy fleabane
Erigeron strigosus daisy fleabane, rough fleabane
Erigeron subtrinervis
Erigeron vetensis early blue-top fleabane
Eupatorium altissimum tall boneset
Eupatorium maculatum ssp. bruneri spotted Joe Pye weed
Eupatorium perfoliatum boneset
Eupatorium purpureum v. holzingeri sweet Joe Pye weed
Eupatorium purpureum v. purpureum sweet Joe Pye weed
Eupatorium serotinum late boneset
Euthamia gymnospermoides goldentop
Euthamia occidentalis goldentop
Evax prolifera rabbit-tobacco
Filago arvensis fluffweed,1995
Gaillardia pulchella blanket flower
Galinsoga parviflora quickweed, galinsoga, 1942
Galinsoga quadriradiata quickweed, galinsoga, 1927
Gnaphalium jaliscense 1968
Gnaphalium obtusifolium fragrant cudweed, everlasting
Gnaphalium palustre little cudweed
Gnaphalium purpureum purple cudweed
Gnaphalium stramineum cotton-batting, 1983
Grindelia ciliata goldenweed, 1934
Grindelia squarrosa v. quasiperennis curly-cup gumweed
Grindelia squarrosa v. serrulata curly-cup gumweed
Grindelia squarrosa v. squarrosa curly-cup gumweed
Gutierrezia dracunculoides broomweed
Gutierrezia sarothrae snakeweed, broom snakeweed
Helenium autumnale sneezeweed
Helianthus annuus common sunflower
Helianthus grosseserratus sawtooth sunflower
Helianthus hirsutus hairy sunflower
Helianthus maximiliani Maximilian's sunflower
Helianthus mollis hairy sunflower
Helianthus nuttallii Nuttall's sunflower
Helianthus pauciflorus ssp. pauciflorus stiff sunflower
Helianthus pauciflorus ssp. subrhomboideus stiff sunflower
Helianthus petiolaris plains sunflower, Sandhills sunflower
Helianthus tuberosus Jerusalem-artichoke
Heliopsis helianthoides v. occidentalis false sunflower
Heterotheca latifolia camphor-weed, 1988
Heterotheca stenophylla v. angustifolia narrow-leaf golden-aster
Heterotheca stenophylla v. stenophylla narrow-leaf golden-aster
Heterotheca villosa v. ballardii showy golden-aster
Heterotheca villosa v. nana golden-aster
Heterotheca villosa v. villosa hairy golden-aster
Hieracium kalmii v. canadense Canada hawkweed
Hieracium longipilum hairy hawkweed, longbeard hawkweed
Hieracium umbellatum narrowleaf hawkweed
Hymenopappus filifolius v. polycephalus thread-leaf woolly-white
Hymenopappus scabiosaeus v. corymbosus old-plainsman
Hymenopappus tenuifolius
Iva annua marsh-elder
Iva axillaris v. axillaris poverty-weed
Iva axillaris v. robustior poverty-weed
Iva xanthiifolia big marsh-elder, false ragweed
Krigia caespitosa dwarf-dandelion
Lactuca canadensis wild lettuce
Lactuca floridana blue lettuce
Lactuca ludoviciana western wild lettuce
Lactuca pulchella pretty blue lettuce
Lactuca saligna willow-leaf lettuce, least lettuce, 1971
Lactuca seriola v. integrata prickly lettuce
Lactuca serriola v. serriola prickly lettuce, 1889
Leucanthemum vulgare oxeye daisy, white daisy, 1887
Liatris aspera gayfeather, blazing-star
Liatris lancifolia gayfeather, blazing-star
Liatris ligulistylis gayfeather, blazing-star
Liatris punctata gayfeather, blazing-star
Liatris pycnostachya gayfeather, blazing-star
Liatris squarrosa v. glabrata gayfeather, blazing-star
Liatris squarrosa v. hirsuta gayfeather, blazing-star
Lygodesmia juncea skeleton-weed
Machaeranthera tanacetifolia tansy-aster, Tahoka daisy
Matricaria chamomilla scented chamomile
Matricaria discoidea pineapple weed, 1974
Matricaria inodora scentless chamomile, 1905
Nothocalais cuspidata false-dandelion, prairie-dandelion
Onopordum acanthium Scotch-thistle, cotton-thistle, 1960s
Oönopsis multicaulis goldenweed
Packera cana var. cana gray ragwort
Packera glabella (Senecio glabellus) butterwort
Packera plattensis (Senecio plattensis) prairie ragwort
Packera pseudaurea v. semicordata (Senecio pseudaureus v. semicordatus) false golden ragwort
Packera tridenticulata (Senecio tridenticulatus)
Palafoxia sphacelata palafoxia
Pectis angustifolia lemon-weed
Picradeniopsis oppositifolia
Prenanthes aspera rattlesnake-root
Prenanthes racemosa ssp. multiflora rattlesnake-root
Pyrrhopappus carolinianus Carolina false-dandelion
Pyrrhopappus grandiflorus tuberous false-dandelion
Ratibida columnifera prairie coneflower
Ratibida pinnata grayhead coneflower
Ratibida tagetes marigold prairie coneflower
Rayjacksonia annua
Rudbeckia hirta v. pulcherrima black-eyed susan
Rudbeckia laciniata v. ampla cutleaf-coneflower, golden-glow
Rudbeckia laciniata v. laciniata cutleaf-coneflower, golden-glow
Rudbeckia triloba brown-eyed susan
Scorzonera laciniata false salsify, cutleaf viper-grass
Senecio canus. var. purshianus gray ragwort
Senecio integerrimus v. integerrimus groundsel
Senecio integerrimus v. scribneri groundsel
Senecio riddellii Riddell's groundsel
Senecio spartioides narrow-leaf butterweed
Senecio vulgaris groundsel, 1887
Shinnersoseris rostrata false skeletonweed
Silphium integrifolium v. laeve rosinweed
Silphium laciniatum compass plant
Silphium perfoliatum cup-plant
Solidago canadensis Canada goldenrod
Solidago flexicaulis zigzag goldenrod
Solidago gigantea late goldenrod
Solidago missouriensis prairie goldenrod, Missouri goldenrod
Solidago mollis solf goldenrod
Solidago nemoralis subsp. decemflora gray goldenrod
Solidago petiolaris downy goldenrod
Solidago rigida stiff goldenrod
Solidago speciosa v. rigidiuscula showy-wand goldnerod
Solidago ulmifolia elm-leaf goldenrod
Sonchus arvensis v. glabrescens perennial sow-thistle, milk-thistle, 1971
Sonchus asper prickly sow-thistle, 1888
Sonchus oleraceus common sow-thistle, 1908
Stenotus armerioides goldenweed
Stephanomeria runcinata wire-lettuce, skeletonweed
Tanacetum balsamita costmary
Tanacetum vulgare tansy
Taraxacum officinale dandelion, 1885
Tetraneuris acaulis hymenoxys
Tetraneuris scaposa v. linearis hymenoxys
Thelesperma filifolium v. intermedium greenthread
Thelesperma megapotamicum greenthread
Townsendia exscapa stemless townsendia, Easter daisy
Townsendia grandiflora bighead townsendia
Townsendia hookeri Hooker's townsendia, Easter daisy
Tragopogon dubius goat's-beard, western salsify, 1910
Tragopogon porrifolius salsify, 1892
Tragopogon pratensis meadow salsify, 1891
Verbesina alternifolia wingstem
Verbesina encelioides v. exauriculata butter-daisy
Vernonia baldwinii ssp. interior western ironweed
Vernonia fasciculata ssp. corymbosa ironweed
Vernonia fasciculata ssp. fasciculata ironweed
Xanthisma glaberrimum green cutleaf ironplant
Xanthisma grindelioides goldenweed
Xanthisma spinulosum gray cutleaf ironplant
Xanthium spinosum spiny cocklebur, 1934
Xanthium strumarium v. canadense cocklebur


FAMILY: BALSAMINACEAE
Impatiens capensis spotted jewel-weed, spotted touch-me-not
Impatiens pallida spotted jewel-weed, spotted touch-me-not


FAMILY: BERBERIDACEAE
Berberis repens (Mahonia repens) Oregon-grape, grape-holly, holly-grape
Berberis thunbergii Japanese barberry
Berberis vulgaris European barberry, 1880s
Caulophyllum thalictroides blue-cohosh
Podophyllum peltatum May-apple


FAMILY: BETULACEAE
Betula occidentalis mountain birch, water birch
Betula papyrifera paper birch
Corylus americana American hazelnut
Ostrya virginiana ironwood, hop-hornbeam


FAMILY: BIGNONIACEAE
Campsis radicans trumpet-creeper
Catalpa bignonioides southern catalpa
Catalpa speciosa northern catalpa, cigar tree


FAMILY: BORAGINACEAE
Amsinckia intermedia fiddleneck, 1914
Amsinckia lycopsoides fiddleneck, 1906
Asperugo procumbens madwort, 1961
Cryptantha cana cryptantha
Cryptantha celosioides cryptantha
Cryptantha cinerea v. jamesii cryptantha
Cryptantha fendleri cryptantha
Cryptantha minima cryptantha
Cryptantha thyrsiflora cryptantha
Cynoglossum officinale hound's-tongue, 1878
Echium vulgare blueweed, 1888
Hackelia deflexa v. americana stickseed
Hackelia floribunda stickseed
Hackelia virginiana stickseed
Heliotropium curassavicum v. curassavicum bindweed heliotrope
Heliotropium curassavicum v. obovatum seaside heliotrope
Lappula cenchrusoides sheep-bur, stickseed
Lappula redowskii v. cupulata stickseed
Lappula redowskii v. redowskii stickseed
Lappula squarrosa stickseed
Lithospermum arvense corn gronwell
Lithospermum canescens hoary puccoon
Lithospermum caroliniense plains puccoon
Lithospermum incisum fringed puccoon
Mertensia lanceolata bluebells
Mertensia virginica Virginia bluebells, 1950
Myosotis laxa little forget-me-not
Myosotis stricta blue scorpion-grass, 1995
Myosotis verna early scorpion-grass
Onosmodium molle v. occidentale false gromwell, marble-seed
Plagiobothrys scouleri v. penicillatus popcorn-flower


FAMILY: BRASSICACEAE (Cruciferae, alternate name)
Alliaria petiolata garlic mustard, 1975
Alyssum alyssoides pale alyssum, 1890
Alyssum desertorum alyssum, 1955
Alyssum simplex alyssum, 1995
Arabidopsis thaliana mouse-ear cress, thale cress
Arabis canadensis sicklepod
Arabis glabra tower mustard
Arabis hirsuta v. pycnocarpa rock cress
Arabis holboellii v. collinsii rock cress
Arabis holboellii v. pinetorum rock cress
Arabis shortii rock cress
Armoracia rusticana horse-radish, 1958
Barbarea vulgaris winter cress, 1907
Berteroa incana hoary-alyssum, 1909
Brassica juncea Indian mustard, 1890
Brassica nigra black mustard, 1875
Brassica rapa wild turnip, 1897
Camelina microcarpa small-seeded false flax
Camelina sativa gold-of-pleasure, 1889
Capsella bursa-pastoris shepherd's-purse, 1884
Cardamine bulbosa spring cress
Cardamine concatenata toothwort
Cardamine flexuosa bitter cress
Cardamine pensylvanica bitter cress
Chorispora tenella blue mustard, 1914
Conringia orientalis hare's-ear mustard, 1908
Descurainea pinnata tansy mustard
Descurainia sophia tansy mustard, 1897
Diplotaxis muralis wall rocket, 1916
Draba brachycarpa whitlow-wort, whitlow-grass
Draba cuneifolia wedge-leaf draba
Draba nemorosa whitlow-wort, whitlow-grass
Draba reptans whitlow-wort, whitlow-grass
Eruca vesicaria ssp. sativa garden rocket, rocket salad, arugula, rugala, 1910
Erucastrum gallicum dog mustard
Erysimum asperum western wallflower
Erysimum cheiranthoides wormseed wallflower
Erysimum inconspicuum smallflower wallflower
Erysimum repandum bushy wallflower, 1897
Euclidium syriacum Syrian mustard, 1991
Hesperis matronalis dame's rocket, 1887
Lepidium appelianum globe-headed hoary cress, 1927
Lepidium campestre field pepper-grass, 1974
Lepidium chalepensis lens-podded hoary cress, 1940
Lepidium densiflorum pepper-grass
Lepidium draba heart-podded hoary cress, 1908
Lepidium latifolium broad-leaved pepperweed, 1961
Lepidium oblongum pepper-grass
Lepidium perfoliatum clasping-leaf pepper-grass, 1933
Lepidium sativum garden cress, 1893
Lepidium virginicum Virginia pepper-grass
Lobularia maritima sweet alyssum
Lunaria annua honesty, money-plant
Nasturtium microphyllum water cress, 1991
Nasturtium officinale water cress, 1875
Physaria arenosa ssp. arenosa secund bladder-pod
Physaria arenosa ssp. argillosa secund bladder-pod
Physaria brassicoides double bladder-pod
Physaria ludoviciana bladder-pod
Physaria montana bladder-pod
Physaria ovalifolia oval-leaf bladder pod
Physaria reediana alpine bladder-pod
Raphanus raphinastrum Expected; known in Iowa counties adjacent to Nebraska.
Raphanus sativus radish
Rorippa austriaca field cress, 1961
Rorippa curvipes v. truncata yellow-cress
Rorippa palustris v. fernaldiana bog yellow cress
Rorippa palustris v. hispida bog yellow cress
Rorippa sessiliflora yellow cress
Rorippa sinuata spreading yellow cress
Rorippa sylvestris creeping yellow cress, 1991
Rorippa tenerrima yellow cress
Sibara virginica 1992
Sinapis alba white mustard, 1891
Sinapis arvensis charlock, 1927
Sisymbrium altissimum tumbling mustard, Jim Hill mustard, 1898
Sisymbrium loeselii tall hedge mustard, 1910
Sisymbrium officinale hedge mustard, 1886
Stanleya pinnata prince's-plume
Thelypodium integrifolium thelypody
Thlaspi arvense field pennycress, 1890


FAMILY: BUTOMACEAE
Butomus umbellatus flowering-rush; 1999


FAMILY: CABOMBACEAE
Brasenia schreberi water-shield


FAMILY: CACTACEAE
Coryphantha missouriensis Missouri pincushion cactus
Coryphantha vivipara pincushion cactus
Echinocereus viridiflorus hedgehog cactus
Opuntia fragilis little prickly-pear
Opuntia humifusa bigroot prickly-pear
Opuntia polyacantha plains prickly-pear


FAMILY: CAESALPINIACEAE
Cercis canadensis redbud
Chamaecrista fasciculata partridge pea
Gleditsia triacanthos honey locust
Gymnocladus dioica Kentucky coffee-tree
Pomaria jamesii rush-pea
Senna marilandica wild senna
Senna obtusifolia sicklepod, 1990


FAMILY: CALLITRICHACEAE
Callitriche hermaphroditica water starwort
Callitriche palustris water starwort


FAMILY: CAMPANULACEAE
Campanula americana American bellflower
Campanula aparinoides marsh bellflower
Campanula rapunculoides rover bellflower
Campanula rotundifolia harebell, bluebell, bells-of-Scotland
Lobelia cardinalis cardinal-flower
Lobelia inflata Indian-tobacco
Lobelia siphilitica great blue lobelia
Lobelia spicata palespike lobelia
Triodanis biflora two-flowered Venus's-looking-glass
Triodanis holzingeri Holzinger's Venus's-looking-glass
Triodanis leptocarpa slender-fruited Venus's-looking-glass
Triodanis perfoliata Venus's-looking-glass


FAMILY: CANNABACEAE
Cannabis sativa marijuana, hemp, 1877
Humulus japonicus Japanese hop, 1959
Humulus lupulus v. lupuloides American hop
Humulus lupulus v. neomexicana American hop
Humulus lupulus v. pubescens American hop


FAMILY: CAPRIFOLIACEAE (see also Adoxaceae)
Lonicera x bella
Lonicera dioica v. glaucescens wild honeysuckle
Lonicera japonica 'Halliana Hall's Japanese honeysuckle, 1980s
Lonicera maackii Amur honeysuckle, 1995
Lonicera tatarica Tatarian honeysuckle, cult. 1880s
Symphoricarpos albus snowberry
Symphoricarpos occidentalis western snowberry, wolfberry, buckbrush
Symphoricarpos orbiculatus coralberry, buckbrush
Triosteum perfoliatum horse-gentian


FAMILY: CARYOPHYLLACEAE
Agrostemma githago corn-cockle, 1909
Arenaria lateriflora sandwort
Arenaria serpyllifolia thyme-leaf sandwort, 1885
Cerastium arvense ssp. strictum field chickweed
Cerastium brachypodum chickweed
Cerastium fontanum ssp. vulgare mouse-ear chickweed, 1890
Cerastium nutans nodding chickweed
Cerastium semidecandrum 1987
Dianthus armeria Deptford pink, 1935
Dianthus barbatus sweet William, 1978
Eremogone hookeri desert sandwort
Gypsophila paniculata baby's breath, 1895
Gypsophila scorzonerifolia garden baby's-breath, 1992
Holosteum umbellatum jagged chickweed, 1971
Loeflingia squarrosa var. texana pygmy-leaf, 1889
Minuartia michauxii v. texana rock sandwort
Myosoton aquaticum giant chickweed, 1974
Paronychia canadensis forked chickweed
Paronychia jamesii v. depressa nailwort
Paronychia jamesii v. jamesii nailwort
Paronychia sessiliflora nailwort
Saponaria officinalis bouncing-bet, soapwort, 1890
Scleranthus annuus annual knawel, 1995
Silene antirrhina sleepy catchfly
Silene dichotoma forked catchfly, 1908
Silene drummondii Drummond's campion
Silene latifolia white campion, white cockle, 1891
Silene menziesii Menzies' campion
Silene noctiflora night-flowering catchfly, sticky cockle, 1885
Silene stellata v. scabrella starry campion
Silene vulgaris bladder campion, 1891
Spergularia salina saltmarsh sand-spurrey, 1992
Stellaria longifolia long-leaf stitchwort
Stellaria media common chickweed, 1888
Stellaria pallida lesser chickweed, 1974
Vaccaria hispanica cow-cockle, 1892


FAMILY: CELASTRACEAE
Celastrus scandens bittersweet
Euonymus alatus 'Compactus winged spindle-bush
Euonymus atropurpurea wahoo, burning-bush
Euonymus europaea European spindle-tree
Euonymus fortunei wintercreeper


FAMILY: CELTIDACEAE
Celtis occidentalis hackberry


FAMILY: CERATOPHYLLACEAE
Ceratophyllum demersum coontail, hornwort


FAMILY: CHENOPODIACEAE
Atriplex argentea silverscale saltbush, silver orache
Atriplex canescens v. aptera four-wing saltbush, wingscale
Atriplex canescens v. canescens four-wing saltbush, wingscale
Atriplex dioica
Atriplex heterosperma Russian atriplex, 1970
Atriplex hortensis garden orache, mountain-spinach, 1890s
Atriplex patula spearscale, 1934
Atriplex powellii ribscale
Atriplex prostrata 1990s
Atriplex rosea red orache, 1912
Atriplex suckleyi rillscale
Chenopodium album lamb's-quarters, white goosefoot
Chenopodium ambrosioides wormseed, Mexican tea, 1898
Chenopodium berlandieri stinking lamb's-quarters, pitseed goosefoot
Chenopodium botrys feather-geranium, Jerusalen-oak, 1891
Chenopodium capitatum strawberry blite, 1891
Chenopodium cycloides sandhill goosefoot
Chenopodium desiccatum
Chenopodium fremontii Fremont's goosefoot
Chenopodium glaucum v. glaucum oak-leaf goosefoot, 1897
Chenopodium glaucum v. salinum oak-leaf goosefoot
Chenopodium incanum
Chenopodium missouriense Missouri goosefoot
Chenopodium pallescens
Chenopodium pratericola desert goosefoot
Chenopodium rubrum alkali blite
Chenopodium simplex maple-leaf goosefoot
Chenopodium standleyanum Standley's goosefoot
Chenopodium strictum
Chenopodium subglabrum smooth goosefoot
Chenopodium urbicum city goosefoot, 1889
Corispermum americanum American bugseed
Corispermum villosum hair bugseed
Corispermum welshii Welsh's bugseed
Cycloloma atriplicifolium winged pigweed, purple tumbleweed
Halogeton glomeratus halogeton, 1995
Kochia scoparia kochia, summer-cypress, 1905
Krascheninnikovia lanata (Eurotia lanata) winterfat
Monolepis nuttalliana poverty-weed
Salicornia rubra saltwort, glasswort
Salsola collina slender Russian-thistle, tumbleweed, 1977
Salsola tragus Russian-thistle, tumbleweed, 1889
Sarcobatus vermiculatus greasewood
Suaeda calceoliformis sea blite
Suckleya suckleyana suckleya


FAMILY: CISTACEAE
Helianthemum bicknellii frostweed
Lechea mucronata pinweed
Lechea stricta pinweed
Lechea tenuifolia narrow-leaf pinweed


FAMILY: CLEOMACEAE (Capparaceae, in part)
Cleome hassleriana giant spider flower
Cleome serrulata Rocky Mountain bee-plant
Cleomella angustifolia eastern cleomella, stinkweed
Polanisia dodecandra ssp. trachysperma red-whisker clammy-weed
Polanisia jamesii James's clammy-weed


FAMILY: COMMELINACEAE
Commelina communis dayflower, 1914
Commelina erecta v. angustifolia perennial dayflower
Tradescantia bracteata spiderwort
Tradescantia occidentalis spiderwort
Tradescantia ohiensis spiderwort
Tradescantia tharpii Tharp's spiderwort


FAMILY: CONVOLVULACEAE, including Cuscutaceae
Calystegia macounii Macoun's bindweed
Calystegia sepium ssp. angulata hedge bindweed
Convolvulus arvensis field bindweed, 1889
Cuscuta approximata dodder
Cuscuta cephalanthi dodder
Cuscuta coryli dodder
Cuscuta cuspidata dodder
Cuscuta epithymum dodder, 1903
Cuscuta glomerata dodder
Cuscuta gronovii dodder
Cuscuta indecora dodder
Cuscuta megalocarpa dodder
Cuscuta pentagona v. calycina dodder
Cuscuta polygonorum dodder
Evolvulus nuttallianus Nuttall's evolvulus
Ipomoea hederacea v. hederacea ivyleaf morning-glory, 1877
Ipomoea hederacea v. integriuscula ivyleaf morning-glory, 2001
Ipomoea leptophylla bush morning-glory
Ipomoea pandurata bigroot morning-glory
Ipomoea purpurea common morning-glory


FAMILY: CORNACEAE
Cornus amomum ssp. obliqua pale dogwood
Cornus alternifolia pagoda dogwood, alternate-leaved dogwood
Cornus drummondii rough-leaf dogwood
Cornus sericea red-osier dogwood, red-willow


FAMILY: CRASSULACEAE
Penthorum sedoides ditch stonecrop
Sedum lanceolatum stonecrop


FAMILY: CUCURBITACEAE
Cucurbita foetidissima buffalo gourd
Cyclanthera dissecta cutleaf-cucumber
Echinocystis lobata wild-cucumber
Sicyos angulatus bur-cucumber


FAMILY: CUSCUTACEAE, see Convolvulaceae


FAMILY: CYPERACEAE
Amphiscirpus nevadensis alkali bulrush
Bolboschoenus fluviatilis river bulrush
Bolboschoenus maritimus ssp paludosus saltmarsh bulrush
Bulbostylis capillaris
Carex aggregata sedge
Carex albicans v. albicans sedge
Carex albursina sedge
Carex aquatilis v. substricta sedge
Carex atherodes sedge
Carex aurea sedge
Carex aureolensis sedge
Carex austrina sedge
Carex bebbii sedge
Carex bicknellii sedge
Carex blanda sedge
Carex brachyglossa sedge
Carex brevior sedge
Carex bushii sedge
Carex buxbaumii sedge
Carex cephalophora sedge
Carex comosa sedge
Carex conjuncta sedge
Carex conoidea sedge
Carex crawei sedge
Carex crinita sedge
Carex cristatella sedge
Carex crus-corvi sedge
Carex davisii sedge
Carex diandra sedge
Carex douglasii sedge
Carex eburnea sedge
Carex eleocharis sedge
Carex emoryi sedge
Carex festucacea sedge
Carex filifolia threadleaf sedge, blackroot
Carex frankii sedge
Carex granularis v. haleana sedge
Carex gravida sedge
Carex grisea sedge
Carex heliophila sedge
Carex hirtifolia sedge
Carex hitchcockiana sedge
Carex hyalinolepis sedge
Carex hystericina sedge
Carex interior sedge
Carex jamesii sedge
Carex lacustris sedge
Carex laeviconica sedge
Carex laeviconica x trichocarpa sedge
Carex lasiocarpa sedge
Carex leavenworthii sedge
Carex limosa sedge
Carex lupulina sedge
Carex meadii sedge
Carex melanostachya sedge, 1989
Carex mesochorea sedge
Carex missouriensis sedge
Carex molesta sedge
Carex muehlenbergii sedge
Carex nebrascensis sedge
Carex normalis sedge
Carex oligocarpa sedge
Carex oligocarpa sedge
Carex peckii sedge
Carex pellita sedge
Carex praegracilis sedge
Carex prairea sedge
Carex radiata sedge
Carex rosea sedge
Carex rossii sedge
Carex sartwellii sedge
Carex saximontana sedge
Carex saximontana sedge
Carex sparganioides sedge
Carex sprengelii sedge
Carex squarrosa sedge
Carex stipata sedge
Carex tenera v. echinodes sedge
Carex tetanica sedge
Carex texensis sedge. 1991
Carex tribuloides sedge
Carex umbellata sedge
Carex utriculata sedge
Carex vesicaria sedge
Carex vulpinoidea sedge
Carex xerantica sedge
Cyperus acuminatus flatsedge
Cyperus bipartitus brook flatsedge
Cyperus diandrus flatsedge
Cyperus difformis flatsedge, 1968
Cyperus engelmannii flatsedge
Cyperus erythrorhizos redroot flatsedge
Cyperus esculentus yellow nutsedge, nut-grass
Cyperus fuscus flatsedge,1968
Cyperus lupulinus ssp. lupulinus flatsedge
Cyperus lupulinus ssp. macilentus flatsedge
Cyperus lupulinus x schweinitzii flatsedge
Cyperus odoratus rusty flatsedge
Cyperus schweinitzii Schweinitz's flatsedge
Cyperus squarrosus flatsedge
Cyperus strigosus false nutsedge, umbrella sedge
Dulichium arundinaceum three-way sedge
Eleocharis acicularis hair-grass
Eleocharis atropurpurea purple spike-rush
Eleocharis coloradoensis small spike-rush
Eleocharis compressa spike-rush
Eleocharis elliptica spike-rush
Eleocharis engelmannii annual spike-rush
Eleocharis erythropoda red-stem spike-rush
Eleocharis geniculata bent spike-rush
Eleocharis obtusa annual spike-rush, blunt spike-rush
Eleocharis palustris spike-rush
Eleocharis quinqueflora spike-rush
Eleocharis rostellata walking-sedge
Eleocharis wolfii hair-grass, Wolf's spike-sedge
Eriophorum angustifolium thin-scale cotton-grass
Eriophorum gracile slender cotton-grass
Fimbristylis autumnalis
Fimbristylis puberula v. interior
Fimbristylis puberula v. puberula
Fimbristylis vahlii
Fuirena simplex v. aristulata umbrella-grass
Lipocarpha aristulata
Lipocarpha drummondii
Lipocarpha micrantha
Rhynchospora capitellata false bog-rush
Schoenoplectus acutus hardstem bulrush
Schoenoplectus acutus x tabernaemontani hybrid bulrush
Schoenoplectus hallii Hall's bulrush
Schoenoplectus heterochaetus great bulrush, slender bulrush
Schoenoplectus pungens common threesquare
Schoenoplectus saximontanus Rocky Mountain bulrush
Schoenoplectus tabernaemontani softstem bulrush
Scirpus atrovirens dark-green bulrush
Scirpus cyperinus wool-grass
Scirpus microcarpus
Scirpus pallidus
Scirpus pendulus
Scleria triglomerata nut-rush, whip-grass


FAMILY: DIOSCOREACEAE
Dioscorea villosa wild yam


FAMILY: DIPSACACEAE
Dipsacus fullonum teasel, 1974
Dipsacus laciniatus cutleaf teasel, 1972


FAMILY: EBENACEAE
Diospyros virginiana persimmon, 1979


FAMILY: ELAEAGNACEAE
Elaeagnus angustifolia Russian-olive
Elaeagnus umbellata autumn-olive, cardinal-shrub, 1986
Shepherdia argentea silver buffalo-berry


FAMILY: ELATINACEAE
Bergia texana
Elatine brachysperma waterwort
Elatine rubella waterwort


FAMILY: ERICACEAE, including Monotropaceae & Pyrolaceae
Arctostaphylos uva-ursi bearberry, kinnikinnick
Monotropa hypopithys pine-sap
Monotropa uniflora Indian pipe
Orthilia secunda shinleaf
Pterospora andromedea pine-drops
Pyrola chlorantha shinleaf
Pyrola elliptica shinleaf


FAMILY: EUPHORBIACEAE
Acalypha ostryifolia three-seeded mercury
Acalypha rhomboidea three-seeded mercury, copperleaf
Acalypha virginica three-seeded mercury
Croton capitatus woolly croton
Croton glandulosus v. septentrionalis
Croton monanthogynus
Croton texensis Texas croton
Euphorbia corollata flowering spurge
Euphorbia cyathophora fire-on-the-mountain, wild poinsettia
Euphorbia cyparissias cypress spurge, 1878
Euphorbia davidii western toothed spurge
Euphorbia dentata eastern toothed spurge
Euphorbia esula v. esula leafy spurge, 1929
Euphorbia esula v. uralensis leafy spurge, 1980
Euphorbia fendleri Fendler's spurge
Euphorbia geyeri Geyer's spurge
Euphorbia glyptosperma
Euphorbia hexagona six-angle spurge
Euphorbia maculata spotted spurge
Euphorbia marginata snow-on-the-mountain
Euphorbia missurica v. missurica Missouri spurge
Euphorbia missurica v. petaloidea Missouri spurge
Euphorbia nutans eyebane
Euphorbia prostrata
Euphorbia robusta
Euphorbia serpens round-leaf spurge
Euphorbia serpyllifolia thyme-leaf spurge
Euphorbia spathulata
Euphorbia stictospora
Tragia ramosa noseburn


FAMILY: FABACEAE (Leguminosae, alternate name)
Amorpha canescens lead plant
Amorpha fruticosa false indigo
Amorpha nana dwarf wild indigo
Amphicarpaea bracteata hog peanut
Apios americana ground-nut
Astragalus agrestis field milk-vetch
Astragalus barrii Barr orophaca
Astragalus bisulcatus two-grooved milk-vetch
Astragalus bodinii Bodin milk-vetch
Astragalus canadensis Canada milk-vetch
Astragalus ceramicus v. filifolius painted milk-vetch
Astragalus cicer chickpea milk-vetch,1977
Astragalus crassicarpus ground-plum
Astragalus drummondii Drummond milk-vetch
Astragalus flexuosus pliant milk-vetch
Astragalus gilviflorus plains orophaca
Astragalus gracilis slender milk-vetch
Astragalus hyalinus summer orophaca
Astragalus kentrophyta Nuttall's kentrophyta
Astragalus laxmanii v. robustior standing milk-vetch
Astragalus lotiflorus lotus milk-vetch
Astragalus missouriensis Missouri milk-vetch
Astragalus mollissimus wolly locoweed
Astragalus pectinatus tine-leaf milk-vetch
Astragalus plattensis Platte River milk-vetch
Astragalus racemosus alkali milk-vetch
Astragalus sericoleucus silky orphaca
Astragalus shortianus Short's milk-vetch
Astragalus spatulatus draba milk-vetch
Astragalus tenellus pulse milk-vetch
Baptisia alba v. macrophylla white wild-indigo
Baptisia australis v. australis plains wild-indigo
Baptisia australis v. minor plains wild-indigo
Baptisia bracteata v. leucophaea white wild-indigo
Baptisia bracteata v. leucophaea white wild-indigo
Caragana arborescens Siberian pea-shru, very locally escaping
Crotalaria sagittalis rattlebox, 1873
Dalea aurea golden dalea
Dalea candida v. candida white prairie-clover
Dalea candida v. oligophylla white prairie-clover
Dalea cylindriceps large-spike prairie-clover
Dalea enneandra nine-anther dalea
Dalea leporina hare's-foot dalea
Dalea multiflora round-head prairie-clover
Dalea purpurea v. arenicola purple prairie-clover
Dalea purpurea v. purpurea purple prairie-clover
Dalea villosa silky prairie-clover
Desmodium canadense Canada tick-clover
Desmodium canescens hoary tick-clover
Desmodium cuspidatum long-leaf tick-clover
Desmodium glutinosum large-flower tick-clover
Desmodium illinoense Illinois tick-clover
Desmodium paniculatum panicled tick-clover
Desmodium perplexum perplexing tick-clover
Desmodium sessilifolium sessile-leaf tick-clover
Galega officinalis goat's-rue, 1935
Glycine max soybean
Glycyrrhiza lepidota wild licorice
Kummerowia stipulacea Korean lespedeza, 1969
Lathyrus latifolius perennial sweetpea, 1895
Lathyrus ochroleucus yellow vetchling
Lathyrus palustris marsh vetchling
Lathyrus polymorphus v. incanus hoary vetchling
Lathyrus polymorphus v. polymorphus hoary vetchling
hoary vetchling tuberous vetchling, 1967
Lespedeza capitata round-head lespedeza
Lespedeza cuneata Chinese bush-clover, sericea lespedeza, 1974
Lespedeza violacea prairie lespedeza
Lotus corniculatus bird's-foot trefoil, 1974
Lotus purshianus prairie trefoil
Lotus tenuis narrow-leaf trefoil, 1971
Lupinus argenteus v. argenteus silvery lupine
Lupinus argenteus v. argophyllus silvery lupine
Lupinus plattensis Platte lupine
Lupinus pusillus small lupine
Medicago lupulina black medick, 1873
Medicago sativa ssp. falcata alfalfa
Medicago sativa ssp. falcata alfalfa, 1887
Melilotus albus white sweet-clover, 1888
Melilotus officinalis yellow sweet-clover,1885
Oxytropis lambertii purple locoweed
Oxytropis multiceps dwarf locoweed, Nuttall's oxytrope
Oxytropis sericea white locoweed
Pediomelum argophyllum silver-leaf scurf-pea
Pediomelum cuspidatum tall-bread scurf-pea
Pediomelum digitatum palm-leaf scurf-pea
Pediomelum esculentum breadroot scurf-pea, Indian breadroot, prairie turnip
Pediomelum hypogaeum little breadroot scurf-pea
Pediomelum linearifolium slimleaf scurf-pea
Psoralidium lanceolatum lemon scurf-pea, lance-leaf scurf-pea
Psoralidium tenuiflorum slender-flower scurf-pea, wild-alfalfa
Pueraria montana v. lobata kudzu, 1992, now extirpated
Robinia hispida rose-acacia, 1990
Robinia pseudoacacia black locust
Securigera varia crown vetch, 1960s
Sophora nuttalliana silky sophora, white loco
Strophostyles helvola wild bean
Strophostyles leiosperma slick-seed wild bean
Tephrosia virginiana goat's-rue
Thermopsis rhombifolia buck bean, golden pea, golden banner, false lupine
Trifolium campestre low hop clover, 1974
Trifolium fragiferum strawberry clover, 1963
Trifolium hybridum Alsike clover, 1888
Trifolium incarnatum crimson clover, 1888
Trifolium pratense red clover, 1892
Trifolium reflexum buffalo clover
Trifolium repens white clover, ladino clover, 1873
Vicia americana v. americana American vetch, peavine
Vicia americana v. minor American vetch, peavine
Vicia villosa v. glabrescens hairy vetch, winter vetch
Vicia villosa v. villosa hairy vetch, winter vetch, 1908


FAMILY: FAGACEAE
Quercus alba white oak
Quercus x bushii (Q. marilandica x velutina)
Quercus macrocarpa bur oak
Quercus marilandica blackjack oak
Quercus muehlenbergii yellow chestnut oak, chinkapin oak
Quercus palustris pin oak
Quercus rubra red oak
Quercus velutina black oak


FAMILY: FUMARIACEAE
Corydalis aurea golden corydalis
Corydalis curvisiliqua ssp. occidentalis golden corydalis
Corydalis flavula short-spur corydalis
Corydalis micrantha slender corydalis
Dicentra cucullaria Dutchman's breeches
Fumaria officinalis ssp. wirtgenii common fumitory, 1980s
Fumaria vaillantii 1995


FAMILY: GENTIANACEAE
Centaurium exaltatum desert centaury
Centaurium pulchellum showy centaury, 1981
Eustoma grandiflorum prairie gentian, Russell's gentian, lisianthus
Gentiana andrewsii v. dakotica bottle gentian, closed gentian
Gentiana flavida pale gentian
Gentiana puberulenta downy gentian


FAMILY: GERANIACEAE
Erodium cicutarium stork's-bill, 1914
Geranium carolinianum Carolina crane's-bill
Geranium maculatum wild geranium
Geranium pusillum 1891
Geranium viscosissimum sticky crane's-bill


FAMILY: GROSSULARIACEAE
Ribes americanum American black currant
Ribes cereum v. inebrians wax currant
Ribes hirtellum gooseberry
Ribes missouriense Missouri gooseberry
Ribes odoratum golden currant, buffalo currant, clove currant
Ribes oxyacanthoides ssp. setosum northern gooseberry


FAMILY: HALORAGACEAE
Myriophyllum pinnatum water-milfoil
Myriophyllum sibiricum water-milfoil
Myriophyllum spicatum Eurasian water-milfoil, 1980
Myriophyllum verticillatum water-milfoil


FAMILY: HIPPOCASTANACEAE
Aesculus glabra v. arguta western buckeye


FAMILY: HIPPURIDACEAE
Hippuris vulgaris mare's-tail


FAMILY: HYDRANGEACEAE
Philadelphus coronarius European mock-orange
Philadelphus pubescens hoary mock-orange


FAMILY: HYDROCHARITACEAE, including Najadaceae
Elodea bifoliata elodea, waterweed
Elodea canadensis elodea, waterweed
Elodea nuttallii elodea, waterweed
Najas flexilis naiad
Najas guadalupensis naiad
Najas marina prickly naiad, sawtooth naiad
Vallisneria americana eel-grass, tape-grass


FAMILY: HYDROPHYLLACEAE
Ellisia nyctelea waterpod
Hydrophyllum appendiculatum notchbract waterleaf
Hydrophyllum virginianum Virginia waterleaf
Phacelia hastata scorpion-weed


FAMILY: HYPERICACEAE
Hypericum majus larger Canadian St. John's-wort
Hypericum mutilum slender St. John's-wort
Hypericum perforatum common St. John's-wort, 1885
Hypericum punctatum spotted St. John's-wort
Hypericum pyramidatum great St. John's-wort
Hypericum sphaerocarpum round-podded St. John's-wort
Triadenum fraseri marsh St. John's-wort


FAMILY: IRIDACEAE
Belamcanda chinensis blackberry-lily, leopard-lily, 1907
Iris germanica group bearded iris, cultivated since 1870s
Iris missouriensis western blue-flag
Iris pseudacorus yellow water iris, yellow flag, 1968
Iris versicolor blue-flag
Iris virginica v. shrevei southern blue-flag
Sisyrinchium campestre blue-eyed-grass
Sisyrinchium montanum blue-eyed-grass


FAMILY: JUGLANDACEAE
Carya cordiformis bitternut hickory
Carya ovata shagbark hickory
Juglans nigra black walnut


FAMILY: JUNCACEAE
Juncus acuminatus
Juncus alpinoarticulatus northern green rush, alpine rush
Juncus arcticus v. balticus Baltic rush
Juncus articulatus jointleaf rush, jointed rush
Juncus brachyphyllus shortleaf rush
Juncus bufonius toad rush
Juncus canadensis Canadian rush
Juncus compressus round-fruit rush, 1989
Juncus dudleyi Dudley's rush
Juncus effusus lamp rush, soft rush
Juncus interior inland rush, interior rush
inland rush, interior rush longstyle rush
Juncus marginatus grass-leaf rush
Juncus nodosus knotted rush
Juncus scirpoides needle-pod rush, scirpus-like rush
Juncus tenuis povery rush, path rush
Juncus torreyi Torrey's rush


FAMILY: JUNCAGINACEAE
Triglochin maritima arrow-grass
Triglochin palustris arrow-grass


FAMILY: LAMIACEAE (Labiatae, alternate name)
Agastache foeniculum lavender giant-hyssop, anise giant-hyssop
Agastache nepetoides catnip giant-hyssop
Agastache scrophulariifolia purple giant-hyssop
Ballota nigra black horehound, 1983
Blephilia hirsuta woodmint
Dracocephalum moldavica Moldavian dragonhead, 1889
Dracocephalum parviflorum American dragon-head
Galeopsis bifida hemp-nettle,1952
Glechoma hederacea ground-ivy, gill-over-the-ground, 1889
Hedeoma drummondii Drummond false-pennyroyal
Hedeoma hispida rough false-pennyroyal
Hedeoma pulegioides American false-pennyroyal
Lamiastrum galeobdolon 'Variegatum' silver nettle-vine, 2003
Lamium amplexicaule henbit, 1878
Lamium purpureum red dead-nettle, 1974
Leonurus cardiaca motherwort, lion's tail, 1892
Leonurus marrubiastrum horehound-motherwort, 1974
Leonurus sibiricus Siberian motherwort, 1966
Lycopus americanus American water-horehound
Lycopus asper western water-horehound
Lycopus uniflorus northern water-horehound
Lycopus virginicus Virginia water-horehound
Marrubium vulgare horehound, 1898
Mentha arvensis field mint
Mentha x gracilis red mint, Scotch mint
Mentha x piperita peppermint
Mentha spicata spearmint
Monarda citriodora lemon bee-balm
Monarda fistulosa v. menthifolia wild bergamot
Monarda fistulosa v. mollis wild bergamot
Monarda pectinata plains bee-balm
Monarda punctata v. occidentalis horsemint, dotted bee-balm, 1987
Nepeta cataria catnip, 1873
Perilla frutescens perilla, perilla mint, 1974
Physostegia parviflora western obedient plant
Physostegia virginiana ssp. praemorsa obedient plant, Virginia lion's-heart, 1974
Physostegia virginiana ssp. virginiana obedient plant, Virginia lion's-heart
Prunella vulgaris v. lanceolata self-heal, heal-all, all-heal
Prunella vulgaris v. vulgaris self-heal, heal-all, all-heal, 1961
Pycnanthemum tenuifolium slender-leaf mountain-mint
Pycnanthemum verticillatum v. pilosum hairy mountain-mint
Pycnanthemum virginianum Virginia mountain-mint
Salvia azurea v. grandiflora blue sage, Pitcher's sage
Salvia nemorosa meadow sage, 1968
Salvia reflexa Rocky Mountain sage
Scutellaria brittonii Britton's skullcap
Scutellaria galericulata marsh skullcap
Scutellaria lateriflora blue skullcap, mad-dog skullcap
Scutellaria parvula v. missouriensis little skullcap
Scutellaria parvula v. parvula little skullcap
Stachys hispida hispid hedge-nettle
Stachys pilosa v. arenicola hedge-nettle
Stachys pilosa v. pilosa hedge-nettle
Stachys tenuifolia smooth hedge-nettle
Teucrium canadense v. canadense germander, wood-sage
Teucrium canadense v. occidentale germander, wood-sage
Teucrium canadense (intermediates) germander, wood-sage
Trichostema brachiatum false pennyroyal


FAMILY: LEMNACEAE
Lemna gibba duckweed
Lemna minor duckweed
Lemna minuta duckweed
Lemna obscura duckweed
Lemna perpusilla duckweed
Lemna trisulca star duckweed
Spirodela polyrrhiza greater duckweed, duckmeat
Wolffia borealis northern watermeal
Wolffia brasiliensis Brazilian watermeal
Wolffia columbiana Columbian watermeal


FAMILY: LENTIBULARIACEAE
Utricularia macrorhiza greater bladderwort
Utricularia minor lesser bladderwort
Utricularia subulata zigzag bladderwort


FAMILY: LILIACEAE (sensu lato)
Allium canadense v. canadense wild onion
Allium canadense v. fraseri wild onion
Allium canadense v. lavendulare wild onion
Allium cepa onion
Allium cernuum nodding onion
Allium drummondii Drummond's wild onion
Allium perdulce fragrant onion
Allium sativum garlic
Allium schoenoprasum chive
Allium textile prairie onion
Allium tricoccum v. burdickii ramps, wild leek
Allium tuberosum garlic chive, 1995
Allium vineale field-garlic, 1960s
Asparagus officinalis asparagus
Calochortus gunnisonii Gunnison's mariposa lily
Calochortus nuttallii sego-lily
Convallaria majalis lily-of-the-valley
Erythronium albidum trout lily, dogtooth-violet, fawn lily
Erythronium mesochoreum prairie trout-lily, prairie dogtooth-violet
Fritillaria atropurpurea leopard-lily, chocolate-lily
Hemerocallis fulva daylily
Hypoxis hirsuta yellow star-grass
Leucocrinum montanum star-lily
Lilium canadense ssp. michiganense Turk's-cap lily
Lilium philadelphicum wood lily
Maianthemum canadense v. interius wild lily-of-the-valley
Maianthemum racemosum false Solomon's-seal
Maianthemum stellatum star-flowered false Solomon's-seal
Muscari botryoides grape-hyacinth
Nothoscordum bivalve false garlic
Ornithogalum umbellatum nap-at-noon, 1951
Polygonatum biflorum giant Solomon's-seal
Prosartes trachycarpa fairy-bells
Scilla sibirica squill
Trillium nivale snow trillium
Zigadenus elegans white camas
Zigadenus venenosus v. gramineus death camas


FAMILY: LINACEAE
Linum berlandieri orange flax
Linum compactum bushy flax
Linum grandiflorum red flax
Linum perenne ssp. lewisii blue flax
Linum perenne ssp. perenne blue flax
Linum puberulum plains flax
Linum rigidum v. rigidum stiff flax
Linum rigidum v. simulans stiff flax
Linum sulcatum grooved flax
grooved flax flax, linseed


FAMILY: LOASACEAE
Mentzelia albicaulis yellow sand-lily, yellow stickleaf
Mentzelia decapetala ten-petal stickleaf
Mentzelia multiflora yellow stickleaf
Mentzelia nuda v. stricta sand-lily, stickleaf
Mentzelia oligosperma stickleaf


FAMILY: LYTHRACEAE
Ammannia auriculata toothcup
Ammannia coccinea toothcup
Ammannia robusta toothcup
Cuphea viscosissima blue waxweed
Lythrum alatum winged loosestrife
Lythrum salicaria purple loosestrife, 1972
Rotala ramosior v. interior toothcup


FAMILY: MALVACEAE
Abutilon theophrasti velvet-leaf, buttonweed, China jute, Indian mallow, 1886
Alcea rosea hollyhock
Althaea officinalis marsh-mallow, white-mallow
Callirhoe alcaeoides pink poppy-mallow
Callirhoe involucrata purple poppy-mallow, claret cups
Hibiscus laevis halberd-leaf rose mallow
Hibiscus trionum flower-of-an-hour, 1873
Malva neglecta common mallow, 1889
Malva parviflora small-flower mallow, 1902
Malva pusilla common mallow, 1889
Malva sylvestris high mallow, 1894
Sida spinosa prickly sida, 1889
Sidalcea neomexicana false-mallow
Sphaeralcea angustifolia v. cuspidata narrowleaf false-mallow, 1995
Sphaeralcea coccinea red false-mallow, cowboy's delight


FAMILY: MARTYNIACEAE
Proboscidea louisianica unicorn-plant, devil's-claw


FAMILY: MENISPERMACEAE
Menispermum canadense moonseed vine


FAMILY: MENYANTHACEAE
Menyanthes trifoliata bog-bean
Nymphoides peltata yellow floating-heart, 2007


FAMILY: MIMOSACEAE
Desmanthus illinoensis Illinois bundle-flower
Mimosa quadrivalvis v. nuttallii prairie mimosa


FAMILY: MOLLUGINACEAE
Mollugo verticillata carpet-weed, 1878


FAMILY: MORACEAE
Fatoua villosa mulberry-weed, 2010
Maclura pomifera Osage-orange, hedge-apple, hedge, 1907 (cult. 1886)
Morus alba mulberry, white mulberry, 1920s (cult. ca. 1900)
Morus rubra red mulberry


FAMILY: NELUMBONACEAE
Nelumbo lutea American lotus, chinkapin
Nelumbo nucifera Asian lotus, 2010


FAMILY: NYCTAGINACEAE
Abronia fragrans sweet sand-verbena
Mirabilis albida white four-o'clock
Mirabilis glabra smooth four-o'clock
Mirabilis hirsuta hairy four-o'clock
Mirabilis linearis narrow leaf four-o'clock
Mirabilis nyctaginea wild four-o'clock
Tripterocalyx micranthus sandpuffs


FAMILY: NYMPHAEACEAE
Nuphar variegata yellow pond-lily, spatterdock, cow-lily, lilypads
Nymphaea odorata ssp. odorata white water-lily, lilypads
Nymphaea odorata ssp. tuberosa white water-lily, lilypads


FAMILY: OLEACEAE
Fraxinus americana white ash
Fraxinus pennsylvanica green ash
Ligustrum obtusifolium Japanese privet, 1991
Ligustrum vulgare European privet, 1983
Syringa vulgaris lilac


FAMILY: ONAGRACEAE
Chamerion angustifolium fireweed
Circaea lutetiana ssp. canadensis enchanter's-nightshade
Epilobium brachycarpum panicled willowherb
Epilobium ciliatum fringed willowherb
Epilobium coloratum purple-leaf willowherb
Epilobium leptophyllum narrow-leaf willowherb
Gaura coccinea scarlet gaura, scarlet butterfly-weed
Gaura linifolia (Stenosiphon linifolius) stenosiphon
Gaura longiflora tall gaura, large-flowered gaura
Gaura neomexicana ssp. coloradoensis Colorado butterfly-plant
Gaura parviflora small-flowered gaura
Ludwigia alternifolia rattlebox, bushy seedbox
Ludwigia palustris marsh seedbox, water-purslane
Ludwigia peploides ssp. glabrescens floating primrose-willow, neverwet
Ludwigia polycarpa many-fruited seedbox
Oenothera albicaulis pale evening-primrose, prairie evening-primrose
Oenothera biennis v. biennis common evening-primrose
Oenothera biennis v. canescens common evening-primrose
Oenothera biennis v. strigosa common evening-primrose
Oenothera caespitosa v. caespitosa gumbo-lily
Oenothera canescens spotted evening-primrose
Oenothera coronopifolia comb-leaf evening-primrose
Oenothera laciniata cutleaf evening-primrose
Oenothera latifolia pale evening-primrose
Oenothera lavandulifolia (Calylophus lavandulifolius) lavender-leaf evening-primrose
Oenothera macrocarpa ssp. fremontii Fremont's evening-primrose
Oenothera macrocarpa ssp. macrocarpa Missouri evening-primrose
Oenothera nuttallii white-stemmed evening-primrose
Oenothera perennis little sundrops
Oenothera rhombipetala fourpoint evening-primrose, sandhills evening-primrose
Oenothera serrulata (Calylophus serrulatus) plains evening-primrose, yellow sundrops
Oenothera speciosa Mexican evening-primrose, 1915


FAMILY: ORCHIDACEAE
Coeloglossum viride v. virescens long-bract rein orchid
Corallorhiza maculata v. occidentalis spotted coral-root orchid
Corallorhiza odontorhiza late coral-root orchid
Corallorhiza striata v. flavida yellow coral-root
Corallorhiza wisteriana spirng coral-root orchid
Cypripedium candidum small white lady's-slipper orchid
Cypripedium parviflorum yellow lady's-slipper orchid, moccasin flower
Galearis spectabilis showy orchis
Goodyera oblongifolia rattlesnake-plantain orchid
Liparis loeselii twayblade orchid
Platanthera aquilonis northern green orchid
Platanthera praeclara western prairie fringed orchid
Spiranthes cernua nodding ladies'-tresses orchid
Spiranthes diluvialis Ute ladies'-tresses orchid
Spiranthes lacera slender ladies'-tresses orchid
Spiranthes magnicamporum Great Plains ladies'-tresses orchid
Spiranthes romanzoffiana hooded ladies'-tresses orchid
hooded ladies'-tresses orchid early ladies'-tresses orchid
Triphora trianthophora three-birds orchid


FAMILY: OXALIDACEAE
Oxalis dillenii gray oxalis, gray wood-sorrel
Oxalis stricta yellow oxalis, yellow wood-sorrel
Oxalis violacea violet wood-sorrel


FAMILY: PAPAVERACEAE (see also Fumariaceae)
Argemone hispida hairy prickly-poppy, 1975
Argemone polyanthemos prickly-poppy
Chelidonium majus celandine
Eschscholzia californica California-poppy
Papaver rhoeas corn poppy, Flanders-fields poppy
Sanguinaria canadensis bloodroot


FAMILY: PHRYMACEAE
Phryma leptostachya lopseed


FAMILY: PHYTOLACCACEAE
Phytolacca americana pokeweed


FAMILY: PLANTAGINACEAE (sensu stricto)
Plantago aristata buckhorn
Plantago elongata slender plantain
Plantago eriopoda alkali plantain
Plantago lanceolata English plantain, 1887
Plantago major common plantain, 1873
Plantago patagonica v.patagonica woolly plantain
Plantago patagonica v. spinulosa woolly plantain
Plantago rhodosperma red-seed plantain
Plantago rugelii American plantain
Plantago virginica


FAMILY: PLATANACEAE
Platanus occidentalis sycamore


FAMILY: POACEAE (Gramineae, alternate name)
Aegilops cylindrica goatgrass, 1966
Agropyron cristatum ssp. pectinatum crested wheatgrass, 1961
Agrostis exarata ssp. minor spikebent
Agrostis hyemalis ticklegrass
Agrostis scabra ticklegrass
Agrostis stolonifera redtop, 1886
Alopecurus aequalis short-awn foxtail
Alopecurus arundinaceus creeping foxtail, 1989
Alopecurus carolinianus Carolina foxtail
Alopecurus geniculatus marsh foxtail
Alopecurus pratensis meadow foxtail, 1968
Andropogon gerardii ssp. gerardii big bluestem
Andropogon gerardii ssp. hallii sand bluestem
Andropogon x chrysocomus
Aristida basiramea forktip three-awn
Aristida curtissii forktip three-awn
Aristida desmantha
Aristida longespica v. geniculata slimspike three-awn
Aristida oligantha oldfield three-awn
Aristida purpurascens arrow-feather three-awn
Aristida purpurea v. longiseta red three-awn
Aristida purpurea v. robusta red three-awn
Aristida tuberculosa
Avena fatua v. fatua wild oats, 1962
Avena fatua v. sativa cultivated oats, 1886
Beckmannia syzigachne American slough-grass
Bothriochloa bladhii Australian bluestem, Caucasian bluestem
Bothriochloa ischaemum Turkestan bluestem, King Ranch bluestem
Bothriochloa laguroides ssp. torreyana silver bluestem
Bouteloua curtipendula sideoats grama
Bouteloua gracilis blue grama
Bouteloua hirsuta hairy grama
Bouteloua simplex mat grama, 1992
Brachyelytrum erectum bearded short-husk
Bromus biebersteinii meadow brome (expected to escape)
Bromus briziformis rattlesnake chess, 1911
Bromus carinatus California brome
Bromus ciliatus fringed brome
Bromus hordeaceus soft chess, bald brome, 1892
Bromus inermis smooth brome, 1902
Bromus japonicus hairy chess, Japanese brome,1900
Bromus latiglumis hairy woodbrome
Bromus porteri nodding brome
Bromus pubescens Canada brome
Bromus richardsonii fringed brome
Bromus secalinus cheat, 1889
Bromus squarrosus one-way brome, 1909
Bromus tectorum downy brome, cheat grass, 1897
Buchloë dactyloides buffalo grass
Calamagrostis canadensis bluejoint reedgrass
Calamagrostis stricta northern reedgrass
Calamovilfa gigantea big sandreed
Calamovilfa longifolia prairie sandreed
Catabrosa aquatica brookgrass
Cenchrus longispinus sandbur
Chasmanthium latifolium wild-oats, 1999
Chloris verticillata windmill grass
Chloris virgata showy chloris, 1972
Cinna arundinacea woodreed
Cynodon dactylon Bermuda-grass
Cynodon transvaalensis African dogs-tooth grass, 1968
Dactylis glomerata orchard-grass,1885
Danthonia spicata oatgrass
Diarrhena obovata beakgrain
Digitaria ciliaris southern crabgrass, 1967
Digitaria cognata fall witchgrass
Digitaria ischaemum smooth crabgrass, 1898
Digitaria sanguinalis hairy crabgrass, 1884
Distichlis spicata saltgrass
Echinochloa crus-galli barnyard grass, 1891
Echinochloa muricata v. microstachya barnyard grass
Echinochloa muricata v. muricata barnyard grass
Eleusine indica goosegrass, 1907
xElyhordeum iowense
xElyhordeum macounii
xElyhordeum montanense
Elymus canadensis Canada wild-rye
Elymus cinereus Great Basin wild-rye
Elymus curvatus
Elymus elongatus tall wheatgrass, 1961
Elymus elymoides ssp. brevifolius squirrel-tail
Elymus elymoides ssp. elymoides squirrel-tail
Elymus hispidus intermediate wheatgrass, 1968
Elymus hystrix bottlebrush grass
Elymus junceus Russian wild-rye, 1973
Elymus lanceolatus ssp. albicans
Elymus lanceolatus ssp. lanceolatus
Elymus macgregorii McGregor's wild-rye
Elymus repens quackgrass, 1905
Elymus smithii western wheatgrass
Elymus spicatus bluebunch wheatgrass
Elymus trachycaulus ssp. subsecundus slender wheatgrass
Elymus trachycaulus ssp. trachycaulus slender wheatgrass
Elymus villosus hairy wild-rye
Elymus virginicus Virginia wild-rye
Eragrostis barrelieri Mediterranean lovegrass, 1983
Eragrostis capillaris lacegrass
Eragrostis cilianensis stinkgrass, 1874
Eragrostis curvula weeping lovegrass, 1984
Eragrostis hypnoides teal lovegrass
Eragrostis minor little lovegrass, 1969
Eragrostis pectinacea Carolina lovegrass, spreading lovegrass
Eragrostis pilosa v. perplexa
Eragrostis reptans creeping lovegrass
Eragrostis secundiflora ssp. oxylepis red lovegrass
Eragrostis spectabilis purple lovegrass
Eragrostis trichodes sand lovegrass
Eremopyrum triticeum annual wheatgrass, 1995
Eriochloa contracta prairie cupgrass
Eriochloa villosa prairie cupgrass, 1989
Festuca rubra red fescue
Festuca saximontana Rocky Mountain fescue, shortleaf f., sheep's f.
Festuca subverticillata nodding fescue
Festuca trachyphylla hard fescue, hard sheep-fescue
Glyceria borealis northern mannagrass
Glyceria grandis tall mannagrass
Glyceria striata fowl mannagrass
Hordeum jubatum foxtail barley
Hordeum murinum mouse barley, 2005
Hordeum pusillum little barley
Hordeum vulgare cultivated barley
Koeleria macrantha Junegrass
Leersia oryzoides rice cutgrass
Leersia virginica Leersia virginica
Leersia virginica bearded sprangle-top
Leucopoa kingii spike-fescue
Lolium arundinaceum tall fescue, 1973
Lolium perenne ssp.italicum perennial ryegrass, Italian ryegrass, 1886
Lolium perenne v. perenne perennial ryegrass, Italian ryegrass, 1891
Lolium pratense meadow-fescue, 1886
Melica nitens three-flower melic
three-flower melic Japanese stiltgrass, 2011
Miscanthus sacchariflorus Amur silver-grass
Muhlenbergia asperifolia scratchgrass
Muhlenbergia bushii
Muhlenbergia cuspidata plains muhly
Muhlenbergia filiformis
Muhlenbergia frondosa wirestem muhly
Muhlenbergia glomerata
Muhlenbergia mexicana wirestem muhly
Muhlenbergia minutissima
Muhlenbergia minutissima blowout grass, sand muhly
Muhlenbergia racemosa marsh muhly
Muhlenbergia richardsonis
Muhlenbergia schreberi nimblewill
Muhlenbergia sobolifera rock muhly
Muhlenbergia sylvatica forest muhly
Muhlenbergia tenuiflora slender muhly
Munroa squarrosa false buffalo-grass
Oryzopsis micrantha little-seed ricegrass
Oryzopsis racemosa black-seed ricegrass
Panicum acuminatum
Panicum capillare common witchgrass
Panicum depauperatum
Panicum dichotomiflorum fall panicum
Panicum latifolium
Panicum leibergii Leiberg's panicum
Panicum linearifolium slimleaf panicum
slimleaf panicum broom-corn millet, proso millet
Panicum oligosanthes v. scribnerianum Scribner's panicum
Panicum ovale v. praecocius
Panicum virgatum switchgrass
Panicum wilcoxianum
Paspalum setaceum v. stramineum paspalum
Phalaris arundinacea reed canary grass
Phalaris canariensis canary grass, 1877
Phleum pratense timothy, 1873
Phragmites australis common reed
Poa annua annual bluegrass, 1953
Poa arida plains bluegrass
Poa bulbosa bulbous bluegrass, 1988
Poa chapmaniana Chapman's bluegrass
Chapman's bluegrass Canada bluegrass, 1885
Poa fendleriana mutton-grass
Poa glaucifolia
Poa interior inland bluegrass
Poa juncifolia
Poa palustris fowl bluegrass, 1890
Poa pratensis Kentucky bluegrass
Poa secunda Canby's bluegrass
Poa sylvestris woodland bluegrass
Poa trivialis rough bluegrass
Polypogon interruptus Agrostis stolonifera x Polypogon monspeliensis
Polypogon monspeliensis rabbit-foot grass, 1907
Puccinellia distans alkali grass, 1983
Puccinellia nuttalliana alkali grass
Redfieldia flexuosa blowout grass
Schedonnardus paniculatus tumble grass
Schizachne purpurascens false melic
Schizachyrium scoparium ssp. neomexicanum little bluestem
Schizachyrium scoparium ssp. scoparium little bluestem
Sclerochloa dura hardgrass, 1982
Scolochloa festucacea sprangle-top
Secale cereale rye
Setaria faberi Chinese foxtail, Chinese bristle-grass, 1940
Setaria italica foxtail millet, 1876
Setaria pumila (S. glauca, S. lutescens) yellow foxtail, yellow bristle-grass, 1886
Setaria verticillata bristly foxtail, 1884
Setaria viridis green foxtail, green bristle-grass, 1873
Sorghastrum nutans Indian grass
Sorghum bicolor sorghum, milo
Sorghum halepense Johnson grass, cult. 1888
Spartina gracilis alkali cordgrass
Spartina pectinata prairie cordgrass
Sphenopholis obtusata v. major wedgegrass
Sphenopholis obtusata v. obtusata wedgegrass
Sporobolus airoides alkali sacaton
Sporobolus compositus rough dropseed
Sporobolus cryptandrus sand dropseed
Sporobolus heterolepis prairie dropseed
Sporobolus neglectus poverty grass
Sporobolus pyramidatus whorled dropseed
Sporobolus texanus Texas dropseed
Sporobolus vaginiflorus poverty grass
Stipa comata needle-and-thread
Stipa hymenoides Indian ricegrass
Stipa hymenoides x viridula
Stipa robusta
Stipa spartea porcupine grass
Stipa viridula green needle-grass
Tridens flavus redtop
Triplasis purpurea purple sandgrass
Tripsacum dactyloides eastern gama-grass
Triticum aestivum wheat
Vulpia octoflora sixweeks fescue
Zea mays corn, maize
Zizania palustris v. interior wild-rice


FAMILY: POLEMONIACEAE
Collomia linearis collomia
Gilia pinnatifida aliciella
Ipomopsis congesta ballhead
Ipomopsis longiflora showy ipomopsis, gilia
Ipmopsis rubra scarlete gilia, standing-cypress
Ipomopsis spicata spike gilia
Leptodactylon caespitosum linanthus
Microsteris gracilis v. humilior microsteris
Navarretia intertexta v. propinqua navarretia
Phlox alyssifolia
Phlox andicola plains phlox
Phlox divaricata ssp. laphamii blue phlox
Phlox hoodii Hood's phlox
Phlox muscoides moss phlox
Phlox paniculata summer phlox, 1974
Phlox pilosa ssp. fulgida prairie phlox
Polemonium reptans Jacob's ladder


FAMILY: POLYGALACEAE
Polygala alba white milkwort
Polygala sanguinea blood polygala
Polygala senega Seneca snakeroot
Polygala verticillata v. isocycla whorled milkwort


FAMILY: POLYGONACEAE
Eriogonum alatum winged wild-buckwheat
Eriogonum annuum annual wild-buckwheat
Eriogonum brevicaule short-stem wild-buckwheat
Eriogonum cernuum nodding wild-buckwheat
Eriogonum effusum spreading wild-buckwheat
Eriogonum flavum yellow wild-buckwheat
Eriogonum gordonii Gordon's wild-buckwheat
Eriogonum x nebraskense
Eriogonum pauciflorum few-flowered wild-buckwheat
Fagopyrum esculentum buckwheat
Polygonum achoreum knotweed
Polygonum amphibium water smartweed
Polygonum aviculare ssp. aviculare knotweed, knot-grass, wireweed
Polygonum aviculare ssp. depressum knotweed, knot-grass, wireweed
Polygonum aviculare ssp. neglectum knotweed, knot-grass, wireweed
Polygonum bicorne pink smartweed
Polygonum bungeanum (expected) prickly smartweed
Polygonum buxiforme saltmarsh knotweed
Polygonum cespitosum v. longisetum creeping smartweed, bristly lady's-thumb, 1967
Polygonum coccineum scarlet smartweed
Polygonum convolvulus black-bindweed, 1879
Polygonum cuspidatum Japanese-bamboo, Japanese knotweed, Mexican-bamboo
Polygonum douglasii Douglas's slender knotweed
Polygonum erectum knotweed
Polygonum hydropiper water-pepper, 1885
Polygonum hydropiperoides v. hydropiperoides mild water-pepper
Polygonum hydropiperoides v. opelousanum
Polygonum lapathifolium pale smartweed, nodding smartweed, willow-weed
Polygonum minus slender smartweed, 2000
Polygonum orientale kiss-me-over-the-garden-gate, ladyfingers
Polygonum pensylvanicum Pennsylvania smartweed
Polygonum persicaria smartweed, 1885
Polygonum punctatum water smartweed
Polygonum ramosissimum bush knotweed
Polygonum sagittatum tear-thumb
Polygonum sawatchense slender knotweed
Polygonum scandens climbing false-buckwheat, fallopia
Polygonum tenue pleated slender knotweed
Polygonum virginianum Virginia smartweed, jumpseed
Rumex acetosella red sorrel, sheep sorrel, 1885
Rumex altissimus pale dock, tall dock
Rumex britannica great water-dock
Rumex crispus curly dock, sour dock, 1889
Rumex fueginus golden dock
Rumex obtusifolius bitter dock, 1892
Rumex patientia ssp. orientalis patience dock, patience, 1890
Rumex patientia ssp. patientia patience dock, patience, 1947
Rumex stenophyllus narrow-leaf dock, 1935
Rumex triangulivalvis willow-leaf dock, white dock
Rumex venosus wild-begonia
Rumex verticillatus water dock


FAMILY: PONTEDERIACEAE
Heteranthera limosa mud-plantain
Heteranthera multiflora mud-plantain
Zosterella dubia water star-grass


FAMILY: PORTULACACEAE
Claytonia virginica spring-beauty
Phemeranthus calycinus rockpink fame-flower
Phemeranthus parviflorus prairie fame-flower
Phemeranthus rugospermus sand fame-flower
Portulaca grandiflora moss-rose, rose-moss
Portulaca oleracea purslane, pussley, rubber plant, 1893
Portulaca pilosa shaggy purslane, kiss-me-quick


FAMILY: POTAMOGETONACEAE
Potamogeton amplifolius large-leaf pondweed
Potamogeton crispus curly pondweed, 1965
Potamogeton diversifolius water-thread pondweed
Potamogeton filiformis v. alpinus slender pondweed
Potamogeton filiformis v. occidentalis slender pondweed
Potamogeton foliosus leafy pondweed
Potamogeton friesii Fries's pondweed
Potamogeton gramineus variable pondweed
Potamogeton illinoensis Illinois pondweed
Potamogeton natans floating-leaf pondweed
Potamogeton nodosus floating-leaf pondweed
Potamogeton pectinatus sago pondweed
Potamogeton praelongus whitestem pondweed
Potamogeton pusillus small pondweed
Potamogeton richardsonii clasping-leaf pondweed
Potamogeton strictifolius pondweed
Potamogeton zosteriformis flatstem pondweed


FAMILY: PRIMULACEAE
Anagallis arvensis scarlet pimpernel, 1898
Anagallis minima chaffweed
Androsace occidentalis western rock-jasmine
Dodecatheon pulchellum shooting-star
Glaux maritima sea-milkwort
Lysimachia ciliata fringed loosestrife
Lysimachia hybrida fringed loosestrife
Lysimachia nummularia moneywort, 1996
Lysimachia punctata dotted loosestrife, 1971
Lysimachia thyrsiflora tufted loosestrife


FAMILY: RANUNCULACEAE
Actaea pachypoda white baneberry
Actaea rubra red baneberry
Anemone canadensis meadow anemone
Anemone caroliniana Carolina anemone
Anemone cylindrica candle anemone
Anemone multifida
Anemone patens v. multifida pasque flower
Anemone virginiana thimbleweed, tall anemone
Aquilegia canadensis columbine, honeysuckle
Caltha palustris marsh-marigold
Clematis fremontii Fremont's clematis, Fremont's leather-flower
Clematis hirsutissima leather-flower
Clematis ligusticifolia western virgin's-bower
Clematis pitcheri Pitcher's clematis, Pitcher's leather-flower
Clematis terniflora sweet autumn clematis, 1980s
Clematis virginiana eastern virgin's-bower
Consolida ajacis rocket larkspur
Delphinium geyeri larkspur, delphinium
Delphinium nuttallianum blue larkspur, little larkspur
Delphinium tricorne dwarf larkspu, delphinium
Delphinium virescens prairie larkspur, delphinium
Myosurus minimus mouse-tail
Ranunculus abortivus early wood buttercup, kidney-leaf buttercup
Ranunculus cymbalaria shore buttercup
Ranunculus fascicularis
Ranunculus flabellaris yellow water-crowfoot
Ranunculus glaberrimus v. ellipticus
Ranunculus hispidus v. caricetorum
Ranunculus longirostris white water-crowfoot
Ranunculus macounii Macoun's buttercup
Ranunculus pensylvanicus bristly crowfoot
Ranunculus recurvatus
Ranunculus repens creeping buttercup, 1983
Ranunculus rhomboideus
Ranunculus sceleratus v. multifidus cursed crowfoot
Ranunculus sceleratus v. sceleratus cursed crowfoot
Ranunculus subrigidus white water-crowfoot
Ranunculus testiculatus hornhead, 1971
Thalictrum dasycarpum purple meadow-rue
Thalictrum venulosum early meadow-rue


FAMILY: RESEDACEAE
Reseda lutea mignonette, 1974


FAMILY: RHAMNACEAE
Ceanothus americanus New Jersey tea
Ceanothus herbaceus New Jersey tea
Rhamnus cathartica buckthorn
Rhamnus davurica Dahurian buckthorn, 1987
Rhamnus frangula (Frangula alnus) European alder-buckthorn, 1997
Rhamnus lanceolata v. glabrata lance-leaf buckthorn


FAMILY: ROSACEAE
Agrimonia gryposepala agrimony
Agrimonia parviflora agrimony
Agrimonia pubescens downy agrimony
Agrimonia striata agrimony
Amelanchier alnifolia western serviceberry, saskatoon
Amelanchier arborea juneberry
Amelanchier humilis serviceberry
Cercocarpus montanus mountain-mahogany
Crataegus chrysocarpa fireberry hawthorn, yellow hawthorn
Crataegus macracantha v. occidentalis western large-toothed hawthorn
Crataegus mollis downy hawthorn
Drymocallis arguta (Potentilla arguta)
Duchesnea indica (Potentilla indica) India strawberry, mock strawberry, 1974
Fragaria vesca ssp. americana woodland strawberry
Fragaria virginiana ssp. glauca wild strawberry
Fragaria virginiana ssp. virginiana wild strawberry
Geum aleppicum yellow avens
Geum canadense white avens
Geum laciniatum v. trichocarpum rough avens
Geum vernum spring avens
Physocarpus monogynus mountain ninebark
Physocarpus opulifolius v. intermedius ninebark
Potentilla anserina silverweed
Potentilla argentea silver cinquefoil, 1971
Potentilla bipinnatifida cinquefoil
Potentilla hippiana v. effusa cinquefoil
Potentilla norvegica Norwegian cinquefoil
Potentilla paradoxa bushy cinquefoil
Potentilla pensylvanica cinquefoil
Potentilla plattensis cinquefoil
Potentilla recta sulfur cinquefoil, 1926
Potentilla rivalis cinquefoil
Potentilla simplex oldfield cinquefoil
Prunus americana American plum, sloe
Prunus angustifolia Chickasaw plum
Prunus cerasus pie cherry, sour cherry, 1992
Prunus hortulana wild-goose plum
Prunus pumila v. besseyi sand cherry
Prunus serotina black cherry
Prunus tomentosa Nanking cherry, bush cherry, 1998
Prunus virginiana chokecherry
Purshia tridentata bitterbrush
Pyrus ioënsis Iowa crabapple, prairie crabapple
Rosa arkansana Arkansas rose, dwarf prairie rose
Rosa blanda smooth rose
Rosa canina dog rose, 1992
Rosa carolina Carolina rose, swamp rose
Rosa multiflora multiflora rose, white rambler, 1974, but cultivated 1909
Rosa woodsii western wild rose
Rubus allegheniensis highbush blackberry
Rubus flagellaris dewberry
Rubus frondosus highbush blackberry
Rubus laudatus highbush blackberry
Rubus occidentalis black raspberry, blackcap
Rubus pubescens dwarf swamp blackberry
Rubus rosa highbush blackberry
Sanguisorba minor burnet


FAMILY: RUBIACEAE
Cephalanthus occidentalis buttonbush
Diodia teres buttonweed
Galium aparine cleavers
Galium boreale northern bedstraw
Galium circaezans v. hypomalacum woods bedstraw
Galium concinnum shining bedstraw
Galium obtusum bluntleaf bedstraw
Galium tinctorium bedstraw
Galium trifidum small bedstraw
Galium triflorum sweet-scented bedstraw
Galium verum yellow bedstraw, 1974
Houstonia nigricans narrowleaf bluets
Houstonia purpurea v. calycosa bluets
Houstonia pusilla small bluets


FAMILY: RUPPIACEAE
Ruppia maritima wigeon-grass
Ruppia occidentalis wigeon-grass


FAMILY: RUTACEAE
Ptelea trifoliolata wafer-ash
Zanthoxylum americanum prickly-ash


FAMILY: SALICACEAE
Populus x acuminata lanceleaf cottonwood
Populus alba silver poplar
Populus deltoides var. occidentalis plains cottonwood
Populus x smithii
Populus tremuloides quaking aspen
Salix amygdaloides peach-leaf willow
Salix bebbiana Bebb willow, long-beaked willow
Salix eriocephala v. eriocephala diamond willow
Salix eriocephala v. famelica diamond willow
Salix exigua ssp. interior sandbar willow
Salix fragilis crack willow
Salix humilis prairie willow
Salix nigra black willow
Salix x pendulina weeping willow
Salix petiolaris meadow willow
Salix x rubens crack willow, hybrid white willow, 1875
Salix x sepulcralis v. chrysocoma weeping willow
Salix x sepulcralis v. sepulcralis weeping willow


FAMILY: SANTALACEAE
Comandra umbellata ssp. pallida bastard toadflax
Comandra umbellata ssp. umbellata bastard toadflax


FAMILY: SAURURACEAE
Anemopsis californica yerba mansa, 1991


FAMILY: SAXIFRAGACEAE
Heuchera richardsonii prairie alumroot, Richardson's alumroot
Lithophragma parviflorum prairie-star


FAMILY: SCROPHULARIACEAE (sensu lato)
Agalinis aspera rough agalinis, gerardia
Agalinis purpurea smooth agalinis, gerardia
Agalinis skinneriana midwestern agalinis, gerardia
Agalinis tenuifolia v. macrophylla agalinis, gerardia
Agalinis tenuifolia v. parvifolia common agalinis, gerardia
Bacopa rotundifolia water-hyssop
Castilleja sessiliflora dwarf Indian paintbrush
Chaenorrhinum minus lesser toadflax
Collinsia parviflora blue-eyed Mary
Cymbalaria muralis Kenilworth ivy, 1984
Dasistoma macrophylla mullein-foxglove
Digitalis lanata Grecian foxglove, 1991
Gratiola neglecta hedge-hyssop
Leucospora multifida leucospora
Limosella aquatica northern mudwort
Linaria dalmatica Dalmatian toadflax, 1971
Linaria vulgaris butter-and-eggs, 1883
Lindernia dubia false-pimpernel
Mimulus alatus sharpwing monkey-flower
Mimulus glabratus v. jamesii roundleaf monkey-flower
Mimulus guttatus common monkey-flower
Mimulus ringens Allegheny monkey-flower
Nuttallanthus texanus oldfield toadflax,Texas toadflax
Orobanche fasciculata clustered cancer-root
Orobanche ludoviciana big cancer-root
Orobanche uniflora naked cancer-root, one-flowered cancer-root
Orthocarpus luteus owl-clover
Pedicularis canadensis common lousewort
Pedicularis crenulata meadow lousewort
Pedicularis lanceolata swamp lousewort
Penstemon albidus white beardtongue
Penstemon angustifolius v. angustifolius narrowleaf beardtongue
Penstemon angustifolius v. caudatus narrowleaf beardtongue
Penstemon buckleyi Buckley's penstemon
Penstemon cobaea cobaea penstemon
Penstemon digitalis tall white penstemon
Penstemon eriantherus crested-tongue penstemon
Penstemon glaber smooth beardtongue
Penstemon gracilis slender beardtongue
Penstemon grandiflorus large beardtongue
Penstemon haydenii blowout penstemon
Penstemon tubaeflorus tube penstemon
Scrophularia lanceolata American figwort
Scrophularia marilandica eastern figwort
Verbascum blattaria moth mullein, 1934
Verbascum thapsus common mullein, 1885
Veronica americana American speedwell
Veronica anagallis-aquatica water speedwell, 1934
Veronica arvensis corn speedwell, field speedwell, 1974
Veronica biloba bilobed speedwell, 1989
Veronica catenata water speedwell
Veronica hederifolia ivy-leaf speedwell, 1970
Veronica peregrina v. peregrina purslane speedwell
Veronica peregrina v. xalapensis purslane speedwell
Veronica persica bird's-eye speedwell, 1878
Veronica polita speedwell, 1966
Veronicastrum virginicum Culver's root


FAMILY: SIMAROUBACEAE
Ailanthus altissima tree-of-heaven, 1911


FAMILY: SMILACACEAE
Smilax ecirrata carrion-flower
Smilax hispida greenbriar, prickly catbriar
Smilax lasioneura carrion-flower


FAMILY: SOLANACEAE
Datura stramonium Jimson weed, 1872
Datura wrightii angel's trumpet, downy thorn-apple
Hyoscyamus niger henbane, 1991
Lycium barbarum matrimony vine, about 1900
Nicandra physalodes nicandra, apple-of-Peru
Petunia x hybrida petunia
Physalis hederifolia v. comata ivyleaf ground-cherry
Physalis heterophylla clammy ground-cherry
Physalis hispida sandhills ground-cherry
Physalis longifolia common ground-cherry
Physalis missouriensis downy ground-cherry
Physalis pumila dwarf ground-cherry
Physalis virginiana Virginia ground-cherry
Solanum carolinense horse-nettle
Solanum dulcamara climbing nightshade, bittersweet nightshade, 1895
Solanum elaeagnifolium silverleaf nightshade, white horse-nettle, 1994
Solanum interius plains black nightshade
Solanum physalifolium v. nitidibaccatum viscid nightshade, hairy nightshade, 1992
Solanum ptychanthum black nightshade
Solanum rostratum buffalo-bur
Solanum triflorum cutleaf nightshade


FAMILY: SPARGANIACEAE
Sparganium emersum bur-reed
Sparganium eurycarpum bur-reed


FAMILY: STAPHYLEACEAE
Staphylea trifolia bladdernut


FAMILY: TAMARICACEAE
Tamarix chinensis salt-cedar, tamarisk, 1975
Tamarix ramosissima salt-cedar, tamarisk, 1975


FAMILY: THYMELAEACEAE
Thymelaea passerina spurge-flax, 1950


FAMILY: TILIACEAE
Tilia americana basswood, American linden


FAMILY: TYPHACEAE
Typha angustifolia narrowleaf cattail
Typha domingensis
Typha x glauca
Typha latifolia broadleaf cattail


FAMILY: ULMACEAE (see also Celtidaceae)
Ulmus americana American elm
Ulmus x notha Siberian elm, 1890s
Ulmus pumila Siberian elm, 1890s
Ulmus rubra red elm
Ulmus thomasii rock elm


FAMILY: URTICACEAE
Boehmeria cylindrica false-nettle
Laportea canadensis stinging wood-nettle
Parietaria pensylvanica pellitory
Pilea fontana clearweed
Pilea pumila clearweed
Urtica dioica ssp. gracilis stinging nettle


FAMILY: VERBENACEAE
Lippia cuneifolia wedgeleaf fogfruit
Lippia lanceolata northern fogfruit
Verbena bipinnatifida fernleaf verbena, glandularia
Verbena bracteata prostrate verbena
Verbena canadensis rose verbena
Verbena hastata common verbena
Verbena simplex narrow-leaf verbena
Verbena stricta hoary verbena
Verbena urticifolia white verbena


FAMILY: VIOLACEAE
Viola adunca hookspur violet
Viola arvensis field pansy, 1909
Viola bicolor wild pansy, Rafinesque's violet
Viola canadensis v. rugulosa tall white violet
Viola lanceolata lance-leaf violet
Viola missouriensis lowland violet
Viola nephrophylla northern bog violet
Viola nuttallii Nuttall's violet, yellow prairie violet
Viola odorata English violet, sweet violet, 1988
Viola palmata wayside violet
Viola pedata bird's-foot violet
Viola pedatifida prairie violet
Viola pedatifida x sororia
Viola prionantha 1992
Viola pubescens v. scabriuscula smooth yellow violet
Viola sororia dooryard violet, downy blue violet, sister violet
Viola striata pale violet, creamy violet, 1974
Viola tricolor viola, Johnny-jump-up, 1915
Viola vallicola yellow prairie violet


FAMILY: VITACEAE
Ampelopsis cordata raccoon-grape, blue-bead
Parthenocissus quinquefolia Virginia creeper
Parthenocissus tricuspidata Boston ivy, escaped 1974, cultivated since 1900s
Parthenocissus vitacea woodbine
Vitis aestivalis summer grape
Vitis cinerea pigeon grape
Vitis riparia river grape
Vitis vulpina fox grape


FAMILY: XYRIDACEAE
Xyris torta yellow-eyed-grass


FAMILY: ZANNICHELLIACEAE
Zannichellia palustris horned pondweed


FAMILY: ZYGOPHYLLACEAE
Tribulus terrestris puncture-vine, 1896