A checklist of rheophytes of Cameroon Author Kuetegue, Felix Author Sonke, Bonaventure Author Ameka, Gabriel K. text PhytoKeys 2019 121 81 131 http://dx.doi.org/10.3897/phytokeys.121.29924 journal article http://dx.doi.org/10.3897/phytokeys.121.29924 1314-2003-121-81 B21D393FFFFBFC4EFF96FFA7FFF98263 3484962 18. Ledermanniella keayi (G.Taylor) C.Cusset, Adansonia ser . 2, 14(2): 274 (1974) Inversodicraea keayi G.Taylor; Bull. Brit. Mus. (Nat. Hist.) Bot. 1: 78 (1953) Type. Cameroon, Kumbo, Keay FHI 28457 (holotype: K). Specimens examined. Cameroon: Banso, Bamenda, Keay FHI 28457 (YA); near Sagbo, Ndop near Bamenda, 1800 m alt., C. D. Adams 11073 (LISC); Kumbo, 1650 m alt., Keay FHI 28457 (K). Habitat. River rapids. Distribution. Cameroon (Fig. 25 ). Conservation status in Cameroon. Ledermanniella keayi is listed on http://www.iucnredlist.org as Critically Endangered ( Diop 2010b ). The taxon is known from one locality, restricted to a small area in an agricultural landscape. The extent of occurrence and the area of occupancy are both estimated at 2 km2 each. The earlier assessment is here maintained as Critically Endangered. IUCN Red List Category: Critically Endangered CRB2ab (iii).