Ledermanniella kamerunensis A checklist of rheophytes of Cameroon Kuetegue, Felix Sonke, Bonaventure Ameka, Gabriel K. PhytoKeys 2019 121 81 131 3319208C-73BA-5E21-8410-06340F798EDD Engl., Veg. Erde 9 (3, 1): 274 (1915) Engl., Veg. Erde 9 (3, 1): 274 1915 Magnoliopsida Podostemaceae Inversodicraea CoL Plantae Inversodicraea kamerunensis Malpighiales 0 81 Tracheophyta species kamerunensis   Ledermanniella kamerunensis(Engl.) C.Cusset, Adansonia ser. 2, 14(2): 274 (1974).  Type. Cameroon, Campo, near Dipikar, Aug, Ledermann 440a(YA).  Specimen examined. Campo River waterfalls, near Dipikar, 00 Aug 1908, Ledermann 440a(YA).  Habitat. Waterfalls in low altitudes.  Distribution. Cameroon (Fig. 25).  Conservation status in Cameroon.   Inversodicraea kamerunensisis listed on http://www.iucnredlist.org as Vulnerable ( Ghogue 2017c). It was assessed by Onana and Cheek (2011)as Critically Endangered. The species is endemic to Cameroon and known from only the type locality; the species has not been collected since 1908. The extent of occurrence and the area of occupancy are both estimated at 4 km2 each. The main threat at this locality is dam construction on Ntem River.  I. kamerunensisis here reassessed and Critically Endangered status maintained. IUCN Red List Category: Critically Endangered CRB1+2ab (ii, iii).