Ruppia maritima Linnaeus. Widgeon-grass, Ditch-grass. Phen: Jul-Oct. Hab: Brackish estuaries, rivers, marsh pools. Dist: Nearly cosmopolitan.
Origin/Endemic status: Native
Taxonomy Comments: Crow & Hellquist (2023) discuss the possibility that two reproductively separated taxa are present, at least north of our region.
Synonymy: = AqW, C, FNA22, GW1, K1, K3, K4, Meso6, Mo1, NE, NY, RAB, S, S13, SFla, Tat, Tx, Va, WH3, Haynes (1978); > Ruppia maritima L. var. longipes Hagstr. – F; > Ruppia maritima L. var. maritima – F, G; > Ruppia maritima L. var. occidentalis (S.Watson) Graebn. – GrPl; > Ruppia maritima L. var. rostrata J.Agardh – F, G, GrPl
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Great Plains: OBL
- Northcentral & Northeast: OBL
Heliophily: 9
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© Keith Bradley | Original Image ⭷
© Jay Horn source | Original Image ⭷
© Jay Horn source | Original Image ⭷
© Alan Cressler: Ruppia maritima, Gambusia Marsh, Gambusia Marsh Trail, Sea Rim State Park, Jefferson County, Texas 1 by Alan Cressler source | Original Image ⭷
© Jay Horn source | Original Image ⭷Feedback
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