Megalastrum is a genus of ferns in the family Dryopteridaceae, subfamily Elaphoglossoideae, in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The genus has around 100 species, mainly found in tropical America and Africa.
Taxonomy The genus name Megalastrum was first published by Richard Holttum in 1987.
Species , Plants of the World Online recognized the following species:
Megalastrum abundans (Rosenst.) A.R.Sm. & R.C.Moran Megalastrum acrosorum (Hieron.) A.R.Sm. & R.C.Moran Megalastrum adenopteris (C.Chr.) A.R.Sm. & R.C.Moran Megalastrum aequatoriense A.Rojas Megalastrum albidum R.C.Moran, J.Prado & Labiak Megalastrum alticola M.Kessler & A.R.Sm. Megalastrum andicola (C.Chr.) A.R.Sm. & R.C.Moran Megalastrum angustum R.C.Moran, J.Prado & Labiak Megalastrum apicale R.C.Moran & J.Prado Megalastrum aquilinum (Thouars) Sundue, Rouhan & R.C.Moran Megalastrum aripense (C.Chr. & Maxon) A.R.Sm. & R.C.Moran Megalastrum atrogriseum (C.Chr.) A.R.Sm. & R.C.Moran Megalastrum aureisquama M.Kessler & A.R.Sm. Megalastrum biseriale (Baker) A.R.Sm. & R.C.Moran Megalastrum bolivianum M.Kessler & A.R.Sm. Megalastrum brevipubens R.C.Moran, J.Prado & Labiak Megalastrum canescens (Mett.) A.R.Sm. & R.C.Moran Megalastrum caribaeum (Desv.) R.C.Moran, J.Prado & Labiak Megalastrum ciliatum M.Kessler & A.R.Sm. Megalastrum clathratum R.C.Moran, J.Prado & Sundue Megalastrum connexum (Kaulf.) A.R.Sm. & R.C.Moran Megalastrum costipubens R.C.Moran & J.Prado Megalastrum crenulans (Fée) A.R.Sm. & R.C.Moran Megalastrum ctenitoides A.Rojas Megalastrum decompositum R.C.Moran, J.Prado & Sundue Megalastrum dentatum A.Rojas Megalastrum eugenii (Brade) A.R.Sm. & R.C.Moran Megalastrum exaggeratum (Baker) Holttum Megalastrum falcatum A.Rojas Megalastrum fibrillosum (Baker) R.C.Moran, J.Prado & Sundue Megalastrum fimbriatum R.C.Moran, J.Prado & Sundue Megalastrum fugaceum R.C.Moran, J.Prado & Sundue Megalastrum galapagense R.C.Moran, J.Prado & Sundue Megalastrum galeottii (M.Martens) R.C.Moran & J.Prado Megalastrum gilbertii (Clute) R.C.Moran, J.Prado & Labiak Megalastrum glabrius (C.Chr. & Skottsb.) Sundue, Rouhan & R.C.Moran Megalastrum glabrum R.C.Moran & J.Prado Megalastrum gompholepis R.C.Moran & J.Prado Megalastrum grande (C.Presl) A.R.Sm. & R.C.Moran Megalastrum haitiense (Brause) A.R.Sm. & R.C.Moran Megalastrum heydei (C.Chr.) R.C.Moran & J.Prado Megalastrum hirsutosetosum (Hieron.) A.R.Sm. & R.C.Moran Megalastrum honestum (Kunze) A.R.Sm. & R.C.Moran Megalastrum inaequale (Link) A.R.Sm. & R.C.Moran Megalastrum inaequalifolium (Colla) A.R.Sm. & R.C.Moran Megalastrum indusiatum R.C.Moran, J.Prado & Labiak Megalastrum insigne R.C.Moran, J.Prado & Sundue Megalastrum intermedium R.C.Moran & J.Prado Megalastrum kallooi (Jermy & T.G.Walker) A.R.Sm. & R.C.Moran Megalastrum lanatum (Fée) Holttum Megalastrum lanuginosum (Kaulf.) Holttum Megalastrum lasiernos (Spreng.) A.R.Sm. & R.C.Moran Megalastrum littorale R.C.Moran, J.Prado & Labiak Megalastrum longiglandulosum R.C.Moran & J.Prado Megalastrum longipilosum A.Rojas Megalastrum lunense (Christ) A.R.Sm. & R.C.Moran Megalastrum macrotheca (Fée) A.R.Sm. & R.C.Moran Megalastrum magnum (Baker) Holttum Megalastrum marginatum M.Kessler & A.R.Sm. Megalastrum martinicense (Spreng.) R.C.Moran, J.Prado & Labiak Megalastrum masafuerae Sundue, Rouhan & R.C.Moran Megalastrum mexicanum R.C.Moran & J.Prado Megalastrum microsorum (Kuntze) Stolze Megalastrum miscellum R.C.Moran, J.Prado & Sundue Megalastrum molle A.R.Sm. Megalastrum mollicomum (C.Chr.) A.R.Sm. & R.C.Moran Megalastrum nanum R.C.Moran, J.Prado & Sundue Megalastrum nigromarginatum R.C.Moran, J.Prado & Sundue Megalastrum obtusum R.C.Moran, J.Prado & Sundue Megalastrum oellgaardii R.C.Moran, J.Prado & Sundue Megalastrum oppositum (Kaulf. ex Spreng.) Li Bing Zhang & Yi F.Duan Megalastrum oreocharis (Sehnem) Salino & Ponce Megalastrum oreophilum R.C.Moran, J.Prado & Sundue Megalastrum organense R.C.Moran, J.Prado & Labiak Megalastrum palmense (Rosenst.) A.R.Sm. & R.C.Moran Megalastrum peregrinum Sundue, Rouhan & R.C.Moran Megalastrum peruvianum R.C.Moran, J.Prado & Sundue Megalastrum platylobum (Baker) A.R.Sm. & R.C.Moran Megalastrum pleiosoros (Hook.f.) A.R.Sm. & R.C.Moran Megalastrum polybotryoides R.C.Moran, J.Prado & Sundue Megalastrum praetermissum R.C.Moran, J.Prado & Sundue Megalastrum pubescens A.Rojas Megalastrum pubirhachis R.C.Moran, J.Prado & Sundue Megalastrum pulverulentum (Poir.) A.R.Sm. & R.C.Moran Megalastrum reductum A.Rojas Megalastrum retrorsum R.C.Moran, J.Prado & Labiak Megalastrum rhachisquamatum R.C.Moran, J.Prado & Sundue Megalastrum rupicola M.Kessler & A.R.Sm. Megalastrum skutchii (Lellinger) A.R.Sm. & R.C.Moran Megalastrum sparsipilosum R.C.Moran & J.Prado Megalastrum spectabile (Kaulf.) A.R.Sm. & R.C.Moran Megalastrum squamosissimum (Sodiro) A.R.Sm. & R.C.Moran Megalastrum subincisum (Willd.) A.R.Sm. & R.C.Moran Megalastrum substrigosum R.C.Moran, J.Prado & Labiak Megalastrum subtile R.C.Moran, J.Prado & Sundue Megalastrum taafense Rouhan, Sundue & R.C.Moran Megalastrum tepuiense R.C.Moran, J.Prado & Sundue Megalastrum umbrinum (C.Chr.) A.R.Sm. & R.C.Moran Megalastrum vastum (Kunze) A.R.Sm. & R.C.Moran Megalastrum villosulum (C.Chr.) A.R.Sm. & R.C.Moran Megalastrum villosum (L.) Holttum Megalastrum wacketii (C.Chr.) A.R.Sm. & R.C.Moran Megalastrum yungense (C.Chr. & Rosenst.) A.R.Sm. & R.C.Moran
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