About Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson
Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson is a newly combined species. Trichomanes parvulum Poir. (1808) is the original name, but not Copel. (1933). The type citation is from M. du Petit - Thouars in Madagascar, though the material might be from Mauritius. The lectotype is P, P00065014! (excl. specim. P01190780!), and the isolectotype is P, P00065015! (excl. specim. P01190781!). It has several synonyms: Trichomanes minutum Blume (1828), with the lectotype L, L0544607! (specimen A) designated by Dubuisson et al. (2018). Trichomanes proliferum Blume (1828), with the lectotype L, L0052391! designated by Dubuisson et al. (2018) and isolectotype L, L0544607! (specimen B). Trichomanes saxifragoides C. Presl. (1843), with the lectotype K, K000375720! (inadvertently designated by Tindale (1963)) and multiple isolectotypes. Trichomanes palmatum C. Presl. (1843), with the holotype L? and isotype P, P00624461!. Trichomanes mannii Hook. (1868), with syntype K? and isosyntype GH, GH00022249!. Trichomanes lepervanchei Cordem. (1891), with the lectotype P, P 02141627! designated by Dubuisson et al. (2018) and isolectotype P, P 02141628!. Trichomanes matthewii Christ (1909), with the holotype P, P00623412! and isotype K, K001090162!. Trichomanes musolense Brause ex Brause & Hieron. (1915), with syntypes B, BW 20 0105426!, BW 20 0105427! and isosyntype P, P00482619!. Trichomanes ruwenzoriense Taton (1946), with the holotype BR, BR0000008054166!. Gonocormus australis Ching (1959), with the holotype BM, BM001044300!.