MARSILEA macrocarpa Presl [family MARSILEACEAE], in Abh. Königl. Böhm Ges. Wiss. 3: 580 (1845); Hieron. in V.E. 2: 65 (1908); Launert in Senck. Biol. 49: 300 figs. 47–52, 72–73 (1968) & in Prodr. Fl. SW.-Afr. 11: 4 (1969) & in F.Z. Pterid. 64, t. 17, fig. d (1970); Schelpe, Expl. Hydrobiol. Bassin L. Bangweolo & Luapula 8 (3) Ptérid.: 36 (1973); Launert in C.F.A., Pterid.: 56, t. 7, fig. d (1977); W. Jacobsen, Ferns S. Afr.: 483, t. 361 (1983); Launert in Garcia de Orta, Sér. Bot. 6: 127, t. 4, fig. 18 (1985); Schelpe & N.C. Anthony, F.S.A., Pterid.: 62, fig. 16/2 (1986); Burrows, S. Afr. Ferns: 74, t. 11.1, fig. 16/75 75a, b (1990); Schippers in Fern Gaz. 14: 212 (1993); Faden in U.K.W.F. ed. 2: 37 (1994). Type: South Africa, Cape Province, Drège (PRE!, holo., B!, iso.)
MARSILEA dregeana A. Braun [family MARSILEACEAE], in Monatsber. K. Preuss. Akad. Wiss. Berlin 1863: 428 (1864). Type as for M. macrocarpa, nom. illegit.
MARSILEA rotundata A. Braun [family MARSILEACEAE], in Kuhn, Filic. Afr.: 200 (1868); Hieron. in V.E. 2: 66 (1908). Type: Angola, Huila, Welwitsch 171 (B!, holo., BM!, iso.)
MARSILEA fischeri Hieron. [family MARSILEACEAE], in P.O.A.C: 90 (1895) & in V.E. 2: 66, fig. 62 (1908); F.D.-O.A.: 92 (1929) pro parte. Type: Kenya/Tanzania, Masailand, Fischer 677 (B!, holo., BM!, K!, iso.)