Megalastrum

Megalastrum is a genus of ferns in the family Dryopteridaceae, subfamily Elaphoglossoideae, in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).[2] The genus has around 100 species, mainly found in tropical America and Africa.[1]

Megalastrum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Polypodiales
Suborder: Polypodiineae
Family: Dryopteridaceae
Subfamily: Elaphoglossoideae
Genus: Megalastrum
Holttum[1]
Species

See text.

Synonyms[1]
  • Ctenitis sect. Subincisae (C.Chr.) Tindale
  • Dryopteris sect. Subincisae C.Chr.

Taxonomy

The genus name Megalastrum was first published by Richard Holttum in 1987.[1]

Species

As of January 2020, Plants of the World Online recognized the following species:[3]

  • 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

References
  1. Hassler, Michael & Schmitt, Bernd (January 2020), "Megalastrum", Checklist of Ferns and Lycophytes of the World, Version 8.20, retrieved 2020-01-26
  2. PPG I (2016), "A community-derived classification for extant lycophytes and ferns", Journal of Systematics and Evolution, 54 (6): 563–603, doi:10.1111/jse.12229, S2CID 39980610
  3. "Megalastrum Holttum", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2020-01-26


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