Carex chilosaccus C.B.Clarke accepted as Carex maculata Boott (original description)
Carex consors C.B.Clarke accepted as Carex tuberculata Liebm. (original description)
Carex eloyi C.B.Clarke (original description)
Carex halei L.H.Bailey ex C.B.Clarke accepted as Carex halei J.Carey accepted as Carex louisianica L.H.Bailey (original description)
Carex hooker-grayi C.B.Clarke (original description)
Carex lonchosaccus C.B.Clarke accepted as Carex petricosa Dewey (original description)
Carex microsaccus C.B.Clarke (original description)
Carex pachyandra C.B.Clarke (original description)
Carex perprava C.B.Clarke (original description)
Carex seckeri C.B.Clarke (original description)
Carex semicrinita C.B.Clarke accepted as Carex stricta Lam. (original description)
Carex sonderiana Boott ex C.B.Clarke accepted as Carex purpureovaginata Boeckeler (original description)
Carex varica C.B.Clarke accepted as Carex aquatilis Wahlenb. (original description)
Chrysitrix distigmatosa C.B.Clarke ex Diels & Pritz. (original description)
Chrysitrix dodii C.B.Clarke (original description)
Costularia melicoides (Poir.) C.B.Clarke (source of synonymy)
Diplacrum notopterum C.B.Clarke accepted as Diplacrum guianense (Nees) T.Koyama (original description)
Hypolytrum bullatum C.B.Clarke (original description)
Hypolytrum condensatum C.B.Clarke accepted as Mapania pycnostachya (Benth.) T.Koyama (original description)
Hypolytrum costato-nux C.B.Clarke accepted as Hypolytrum nemorum subsp. nemorum (Vahl) Spreng. (original description)
Hypolytrum nudum C.B.Clarke (original description)
Hypolytrum parvibracteatum C.B.Clarke accepted as Hypolytrum parvibracteum C.B.Clarke accepted as Paramapania parvibractea (C.B.Clarke) Uittien (original description)
Hypolytrum seychellense C.B.Clarke accepted as Mapania floribunda (Nees ex Steud.) T.Koyama (original description)
Hypolytrum supervacuum C.B.Clarke (original description)
Hypolytrum vitiense C.B.Clarke accepted as Hypolytrum nemorum subsp. vitiense (C.B.Clarke) T.Koyama (original description)
Hypolytrum xerocarpum C.B.Clarke accepted as Hypolytrum compactum Nees & Meyen ex Kunth (original description)
Lagenocarpus alboniger (A.St.-Hil.) C.B.Clarke (new combination reference)
Mapania albescens C.B.Clarke accepted as Mapania palustris var. palustris (Hassk. ex Steud.) Fern.-Vill. (original description)
Mapania baccifera C.B.Clarke (original description)
Mapania debilis C.B.Clarke (original description)
Mapania longiflora C.B.Clarke (original description)
Mapania longifolia (Boeckeler) C.B.Clarke accepted as Mapania macrocephala subsp. longifolia (Boeckeler) D.A.Simpson (original description)
Mapania petiolata C.B.Clarke accepted as Mapania cuspidata var. cuspidata (Miq.) Uittien (original description)
Mapania radians C.B.Clarke accepted as Paramapania radians (C.B.Clarke) Uittien (original description)
Mapania radians C.B.Clarke accepted as Paramapania radians (C.B.Clarke) Uittien (additional source)
Mapania schomburgkii C.B.Clarke accepted as Mapania macrophylla (Boeckeler) H.Pfeiff. (original description)
Mapaniopsis C.B.Clarke accepted as Mapania Aubl. (original description)
Mapaniopsis effusa C.B.Clarke accepted as Mapania effusa (C.B.Clarke) T.Koyama (original description)
Schoenoxiphium caricoides C.B.Clarke accepted as Carex dregeana Kunth (original description)
Schoenoxiphium caricoides var. major (C.B.Clarke) C.B.Clarke accepted as Carex spartea Wahlenb. (new combination reference)
Schoenoxiphium schimperianum (Boeckeler) C.B.Clarke accepted as Carex schimperiana Boeckeler accepted as Carex spartea Wahlenb. (new combination reference)
Thoracostachyum angustifolium C.B.Clarke accepted as Mapania floribunda (Nees ex Steud.) T.Koyama (original description)

Holotype K 000584393, geounit Pará, identified as Hypolytrum supervacuum C.B.Clarke
Syntype K 000584396, geounit Guyana, identified as Hypolytrum nudum C.B.Clarke