''Megalastrum'' is a genus of
fern
A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except t ...
s in the family
Dryopteridaceae, subfamily
Elaphoglossoideae, in the
Pteridophyte Phylogeny Group
The Pteridophyte Phylogeny Group, or PPG, is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relation ...
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
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...
'' 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
''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.
...
'' (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
''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.
...
'' A.Rojas
*''Megalastrum decompositum
''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.
...
'' 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
References
Dryopteridaceae
Fern genera
{{Dryopteridaceae-stub