Flora of Mozambique:... www.mozambiqueflora.com

Flora of Mozambique:... www.mozambiqueflora.com

Species www.fernsofafrica.com

Haplopteris guineensis... powo.science.kew.org

Flora of Zimbabwe: Species... www.zimbabweflora.co.zw

Vittaria | CasaBio casabio.org

Vittaria - Wikipedia en.wikipedia.org

PteridoPortal - Haplopteris... pteridoportal.org

Vittaria guineensis Desv. |... powo.science.kew.org

Genera www.fernsofafrica.com

World Plants: Plant List www.worldplants.de

World Plants: Plant List www.worldplants.de

PteridoPortal - Haplopteris... pteridoportal.org

The Pteridaceae family... bdj.pensoft.net

Phytosociological analysis... www.researchgate.net

THE DIVERSITY OF EPIPHYTIC... www.semanticscholar.org

A revised generic... sites.duke.edu

Vittaria | CasaBio casabio.org

The Pteridaceae family... bdj.pensoft.net

Vittaria guineensis in... plants.jstor.org