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Amauropelta
	Amauropelta globulifera in Volcanoes National Park, Hawaii Island
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Polypodiales
Suborder:	Aspleniineae
Family:	Thelypteridaceae
Subfamily:	Thelypteridoideae
Genus:	Amauropelta; Kunze
Species
	See text.
Synonyms
	Thelypteris subg. Amauropelta (Kunze) A.R.Sm. ; Oochlamys Fée ;

Amauropelta is a monophyletic genus of fern, the largest within the Thelypteridaceae family, with 233 species (Almeida et al. 2016;^[2] Salino et al. 2015;^[3] Fawcett & Smith^[4] 2021). The center of diversity of the genus is in the Neotropics, but the earliest-divergent lineages are from the Old World.

The genus Amauropelta is very similar morphologically to the other two genera of the amaropeltoid clade: Coryphopteris and Metathelypteris, differing of the first basically by the lack of sessile, resinous, reddish glands on the lamina between veins (except in the A. resinifera group) and of the second by the veins running to the margins.

Within the Thelypteridaceae on the Neotropics region is quite easy morphologically recognisable by the pairs of gradually reduced proximal pinnae, that vary between to few to many, depends on the species case and the veins is usually prominent abaxially and adaxially, lowermost pair from adjacent segments running to margin just above sinus between adjacent lobes, rarely running to sinus (A. linkiana), never united to form excurrent veins that run to sinuses, veins ending at pinna margins.

Outside of the amauropeltoid clade and in the Old World region, Amauropelta spp. are similar to the more distantly related to the Pseudocyclosorus, which also has free veins, and many pairs of gradually reduced proximal pinnae.

Amauropelta is subdivided into four subgenera: Amauropelta, Parathelypteris, Nibaa and Venus.

Subgenera

Subgenera Amauropelta S.E. Fawc. & A.R. Sm

Amauropelta subgenera Amauropelta is the largest with 223 species (listed below) and could be distinguished from others (Parathelypteris, Nibaa and Venus) by x = 29, and rhizomes typically erect.

Amauropelta achalensis (Hieron.) Salino & T.E. Almeida;
A. aculeata (A.R. Sm.) Salino & T.E.Almeida;
A. aliena (C. Chr.) Salino & T.E. Almeida;
A. altitudinis (Ponce) Salino & T.E. Almeida;
A. amambayensis (Christ) Salino & A.R. Sm.;
A. amphioxypteris (Sodiro) Salino & T.E. Almeida;
A. andicola (A.R. Sm.) Salino & T.E. Almeida;
A. appressa (A.R. Sm.) Salino & T.E. Almeida;
A. araucariensis (Ponce) Salino & T.E. Almeida;
A. arborea (Brause) A.R. Sm.;
A. arenosa (A.R. Sm.) A.R. Sm.;
A. argentina (Hieron.) Salino & T.E. Almeida;
A. arrecta (A.R. Sm.) Salino & T.E. Almeida;
A. aspidioides (Willd.) Pic.Serm.;
A. atrorubens (Mett. ex Kuhn) Salino & T.E. Almeida;
A. atrovirens (C. Chr.) Salino & T.E. Almeida;
A. aymarae (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. balbisii (Spreng.) A.R. Sm.;
A. barvae (A.R. Sm.) Salino & T.E. Almeida;
A. basisceletica (C. Sánchez, Caluff & O. Alvarez) Salino & T.E. Almeida;
A. bergiana (Schltdl.) Holttum; A. binervata (A.R. Sm.) A.R. Sm.;
A. boliviana A.R. Sm.;
A. bonapartii (Rosenst.) Salino & T.E. Almeida;
A. brachypoda (Baker) A.R. Sm.;
A. brachypus (Sodiro) A.R. Sm.;
A. brausei (Hieron.) A.R. Sm.;
A. burkartii (Abbiatti) Salino & T.E. Almeida;
A. campii (A.R. Sm.) Salino & T.E. Almeida;
A. canadasii (Sodiro) Salino & T.E. Almeida;
A. caucaensis (Hieron.) A.R. Sm.;
A. chaparensis (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. cheilanthoides (Kunze) Á. Löve & D. Löve;
A. chiriquiana (A.R. Sm.) Salino & T.E. Almeida;
A. christensenii (C. Chr. in Christ) Salino & T.E. Almeida;
A. cinerea (Sodiro) A.R. Sm.;
A. cochaensis (C. Chr.) Salino & T.E. Almeida;
A. cocos (A.R. Sm. & Lellinger) Salino & T.E. Almeida;
A. comptula (A.R. Sm.) Salino & T.E. Almeida;
A. concinna (Willd.) Pic.Serm.;
A. conformis (Sodiro) Salino & T.E. Almeida;
A. consanguinea (Fée) Salino & T.E. Almeida;
A. cooleyi (Proctor) Salino & T.E. Almeida;
A. corazonensis (Baker) Salino & T.E. Almeida;
A. cornuta (Maxon) Salino & T.E. Almeida;
A. correllii (A.R. Sm.) Salino & T.E. Almeida;
A. crassiuscula (C. Chr. & Maxon) Salino & T.E. Almeida;
A. ctenitoides (A.R. Sm.) Salino & T.E. Almeida;
A. decrescens (Proctor) Salino & T.E. Almeida;
A. decurtata (Link) Salino & T.E. Almeida; A. deflectens (C. Chr.) Salino & T.E. Almeida;
A. deflexa (C. Presl) Á. Löve & D. Löve;
A. demissa (A.R. Sm.) Salino & T.E. Almeida;
A. delasotae (A.R. Sm. & Lellinger) Salino & T.E. Almeida;
A. demerarana (Baker) Boudrie & Cremers;
A. denudata (C. Sánchez & Caluff) Salino & T.E. Almeida;
A. diplazioides (Desv.) Pic.Serm.; A. dodsonii (A.R. Sm.) Salino & T.E. Almeida;
A. dudleyi (A.R. Sm.) Salino & T.E. Almeida;
A. elegantula (Sodiro) Salino & T.E. Almeida;
A. enigmatica (A.R. Sm.) Salino & T.E. Almeida;
A. eriosorus (Fée) Salino & T.E. Almeida;
A. euchlora (Sodiro) A.R. Sm.;
A. euthythrix (A.R. Sm.) Salino & T.E. Almeida;
A. exuta (A.R. Sm.) Salino & T.E. Almeida;
A. fasciola (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. fayorum (A.R. Sm.& M. Kessler) Salino & T.E. Almeida;
A. firma (Baker ex Jenman) Salino & T.E. Almeida;
A. fluminalis (A.R. Sm.) Salino & T.E. Almeida;
A. frigida (Christ) A.R. Sm.; A. funckii (Mett.) A.R. Sm.;
A. furfuracea (A.R. Sm.) Salino & T.E. Almeida;
A. furva (Maxon) Salino & T.E. Almeida;
A. germaniana (Fée) Salino & T.E. Almeida;
A. glabrescens A.R. Sm.;
A. glandulosolanosa (C. Chr.) Salino & T.E. Almeida;
A. globulifera (Brack.) Holttum;
A. glutinosa (C. Chr.) Salino & T.E. Almeida;
A. gomeziana (A.R. Sm. & Lellinger) Salino & T.E. Almeida;
A. gracilenta (Jenman) Salino & T.E. Almeida;
A. gracilis (Heward) A.R. Sm.;
A. grantii (Copel.) Holttum;
A. grayumii (A.R. Sm.) Salino & T.E. Almeida;
A. hakgalensis Holttum;
A. harrisii (Proctor) Salino & T.E. Almeida;
A. hastiloba (C. Chr.) Salino & T.E. Almeida;
A. heineri (C. Chr.) Salino & T.E. Almeida;
A. heteroclita (Desv.) Pic.Serm.;
A. heteroptera (Desv.) Holttum;
A. hutchisonii (A.R. Sm.) Salino & T.E. Almeida;
A. hydrophila (Fée) Salino & T.E. Almeida;
A. illicita (Christ) Salino & T.E. Almeida;
A. inabonensis (Proctor) Salino & T.E. Almeida;
A. inaequans (C. Chr.) Salino & T.E. Almeida;
A. inaequilateralis (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. insignis (Mett.) Salino & T.E. Almeida;
A. intromissa (C. Chr.) Salino & T.E. Almeida;
A. ireneae (Brade) Salino & T.E. Almeida;
A. jimenezii (Maxon & C. Chr.) Salino & T.E. Almeida;
A. juergensii (Rosenst.) Salino & T.E. Almeida;
A. jujuyensis (de la Sota) Salino & T.E. Almeida;
A. knysnaensis (N.C. Anthony & Schelpe) Parris;
A. laevigata (Mett. ex Kuhn) Salino & T.E. Almeida;
A. lanceolata A.R. Sm.;
A. leoniae (A.R. Sm.) Salino & T.E. Almeida;
A. lepidula (Hieron.) A.R. Sm.;
A. limbata (Sw.) Pic.Serm.;
A. linkiana (C. Presl) Pic.Serm.;
A. longicaulis (Baker) Salino & T.E. Almeida;
A. longipilosa (Sodiro) Salino & T.E. Almeida;
A. longisora (A.R. Sm.) Salino & T.E. Almeida;
A. loreae (A.R. Sm.) Salino & T.E. Almeida;
A. loretensis (A.R. Sm.) Salino & T.E. Almeida;
A. lumbricoides (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. macra (A.R. Sm.) Salino & T.E. Almeida;
A. madidiensis (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. malangae (C. Chr.) Salino & T.E. Almeida;
A. margaretae (E. Br.) Holttum;
A. melanochlaena (C. Chr.) Salino & T.E. Almeida;
A. membranifera (C. Chr.) Holttum;
A. mertensioides (C. Chr.) Salino & T.E. Almeida;
A. metteniana (Ching) Salino & T.E. Almeida;
A. micula (A.R. Sm.) Salino & T.E. Almeida;
A. minima (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. minutula (C.V. Morton) Salino & T.E. Almeida;
A. mombachensis (L.D. Gómez) Salino & T.E. Almeida;
A. mortonii (A.R. Sm.) Salino & T.E. Almeida;
A. mosenii (C. Chr.) Salino & T.E. Almeida;
A. muscicola (Proctor) Salino & T.E. Almeida;
A. namaphila (Proctor) Salino & T.E. Almeida;
A. neglecta (Brade & Rosenst.) Salino & T.E. Almeida;
A. negligens (Jenman) Salino & T.E. Almeida;
A. nephelium (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. nitens (Desv.) Salino & T.E. Almeida;
A. nockiana (Jenman) Salino & T.E. Almeida;
A. novaeana (Brade) Salino & T.E. Almeida;
A. nubicola (de la Sota) Salino & T.E. Almeida;
A. nubigena (A.R. Sm.) Salino & T.E. Almeida;
A. oaxacana (A.R. Sm.) Salino & T.E. Almeida;
A. odontosora (Bonap.) Holttum;
A. oligocarpa (Humb. & Bonpl. ex Willd.) Pic.Serm.;
A. ophiorhizoma (A.R. Sm. & Lellinger) Salino & T.E. Almeida;
A. opposita (Vahl) Pic.Serm.;
A. oppositiformis (C. Chr.) Holttum;
A. pachyrhachis (Kunze ex Mett.) Salino & T.E. Almeida;
A. paleacea (A.R. Sm.) Salino & T.E. Almeida;
A. patula (Fée) Salino & T.E. Almeida;
A. pavoniana (Klotzsch) Salino & T.E. Almeida;
A. pelludia (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. peradenia (A.R. Sm.) A.R. Sm.;
A. peruviana (Rosenst.) Salino & T.E. Almeida;
A. phacelothrix (C. Chr. & Rosenst.) Salino & T.E. Almeida;
A. physematioides (Kuhn & Christ ex Krug) Salino & T.E. Almeida;
A. piedrensis (C. Chr.) Salino & T.E. Almeida;
A. pilosissima (C.V. Morton) A.R. Sm.;
A. pilosohispida (Hook.) A.R. Sm.;
A. pilosula (Klotzsch & H. Karst. ex Mett.) Á. Löve & D. Löve;
A. pleiophylla (Sehnem) Salino & T.E. Almeida;
A. podotricha (Sehnem) Salino & T.E. Almeida;
A. proboscidea (A.R. Sm.) Salino & T.E. Almeida;
A. proctorii (A.R. Sm. & Lellinger) A.R. Sm.;
A. prolatipedis (Lellinger) A.R. Sm.;
A. ptarmica (Kunze ex Mett.) Pic.Serm.;
A. ptarmiciformis (C. Chr. & Rosenst. ex Rosenst.) Salino & T.E. Almeida;
A. pteroidea (Klotzsch) A.R. Sm.;
A. pusilla (Mett.) A.R. Sm.;
A. raddii (Rosenst.) Salino & T.E. Almeida;
A. randallii (Maxon & C.V. Morton ex C.V. Morton) Salino & T.E. Almeida;
A. recumbens (Rosenst.) Salino & T.E. Almeida;
A. reducta (C. Chr.) Salino & T.E. Almeida;
A. regnelliana (C. Chr.) Salino & T.E. Almeida;
A. resinifera (Desv.) Pic.Serm.;
A. retrorsa (Sodiro) Salino & T.E. Almeida;
A. retusa (Sw.) Salino & T.E. Almeida;
A. rheophyta (Proctor) Salino & T.E. Almeida;
A. rigescens (Sodiro) Salino & T.E. Almeida;
A. rivularioides (Fée) Salino & T.E. Almeida;
A. roraimensis (Baker) A.R. Sm.;
A. rosenstockii (C. Chr.) Salino & T.E. Almeida;
A. rosulata (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. rudiformis (C. Chr.) Salino & T.E. Almeida;
A. rudis (Kunze) Pic.Serm.;
A. rufa (Poir.)Salino & T.E. Almeida;
A. ruiziana (Klotzsch) Salino & T.E. Almeida;
A. rupestris (Klotzsch) A.R. Sm.;
A. rupicola (C. Chr.) Salino & T.E. Almeida;
A. rustica (Fée) Salino & T.E. Almeida;
A. sabaensis A. salazica (Holttum) Holttum;
A. sancta (L.) Pic.Serm.;
A. sanctae-catharinae (Rosenst.) Salino & T.E. Almeida;
A. saxicola (Sw.) Salino & T.E. Almeida;
A. scalaris (Christ) Á. Löve & D. Löve;
A. scalpturoides (Fée) Salino & T.E. Almeida;
A. sellensis (C. Chr.) Salino & T.E. Almeida;
A. semilunata (Sodiro) Salino & T.E. Almeida;
A. shaferi (Maxon & C. Chr.) Salino & T.E. Almeida;
A. soridepressa (Salino & V.A.O. Dittrich) Salino & T.E. Almeida;
A. steyermarkii (A.R. Sm.) Salino & T.E. Almeida;
A. stierii (Rosenst.) Salino & T.E. Almeida;
A. straminea (Sodiro) Salino & T.E. Almeida;
A. strigillosa (A.R. Sm. & Lellinger) Salino & T.E. Almeida;
A. strigosa (Willd.) Holttum;
A. struthiopteroides (C. Chr.) Salino & T.E. Almeida;
A. subacrostichoides A.R. Sm.;
A. subscandens (A.R. Sm.) Salino & T.E. Almeida;
A. subtilis (A.R. Sm.) Salino & T.E. Almeida;
A. supina (Sodiro) Salino & T.E. Almeida;
A. supranitens (Christ) Á. Löve & D. Löve;
A. tablana (Christ) Salino & T.E. Almeida;
A. tamandarei (Rosenst.) Salino & T.E. Almeida;
A. tapantensis (A.R. Sm. & Lellinger) Salino & T.E. Almeida;
A. tenerrima (Fée) Salino & T.E. Almeida;
A. thomsonii (Jenm.) Pic.Serm.;
A. tomentosa (Thouars) Holttum;
A. trelawniensis (Proctor) Salino & T.E. Almeida;
A. uncinata (A.R. Sm.) Salino & T.E. Almeida;
A. vattuonei (Hicken) Salino & T.E. Almeida;
A. venturae (A.R. Sm.) Salino & T.E. Almeida;
A. vernicosa (A.R. Sm. & Lellinger) Salino & T.E. Almeida;
A. villana (L.D. Gómez) Salino & T.E. Almeida;
A. yungensis (A.R. Sm. & M. Kessler) Salino & T.E. Almeida;
A. zurquiana (A.R. Sm. & Lellinger) Salino & T.E. Almeida

Subgenera Nibaa S.E. Fawc. & A.R. Sm

Amauropelta subgenera Nibaa is composed of two species (listed below) and could be distinguished from others (Parathelypteris, Nibaa and Venus) it may be distinguished by glands yellow to colorless (vs. amber resinous orange-yellow to reddish), x = 31.

Amauropelta nevadensis (Baker) S.E. Fawc. & A.R. Sm.
A. noveboracensis (L.) S.E. Fawc. & A.R. Sm.

Subgenera Parathelypteris S.E. Fawc. & A.R. Sm

Amauropelta subgenera Parathelypteris is composed of six species (listed bellow) and could be distinguished from others (Parathelypteris, Nibaa and Venus) by proximal pinnae typically abruptly- or little reduced and by the biogeographical distribution (East Asia), x= 27,31.

Amauropelta angustifrons (Miq.) Y.H. Chang
A. cystopteroides (D.C. Eaton) S.E. Fawc. & A.R. Sm.
A. glanduligera (Kunze) Y.H. Chang
A. grammitoides (Christ) S.E. Fawc. & A.R. Sm.
A. miyagii (H. Ito) S.E. Fawc. & A.R. Sm.
A. serrulata (Ching) S.E. Fawc. & A.R. Sm.

Subgenera Venus S.E. Fawc. & A.R. Sm

Amauropelta subgenera Venus is composed of two species (listed bellow) x= 31.

Amauropelta beddomei (Baker) Y.H. Chang
A. rechingeri (Holttum) S.E. Fawc. & A.R. Sm

References

^ ^a ^b Hassler, Michael & Schmitt, Bernd (January 2020), "Amauropelta", Checklist of Ferns and Lycophytes of the World, 8.20, archived from the original on 2017-09-02, retrieved 2020-01-10
^ Almeida, Thaís Elias; Hennequin, Sabine; Schneider, Harald; Smith, Alan R.; Batista, João Aguiar Nogueira; Ramalho, Aline Joseph; Proite, Karina; Salino, Alexandre (1 January 2016). "Towards a phylogenetic generic classification of Thelypteridaceae: Additional sampling suggests alterations of neotropical taxa and further study of paleotropical genera". Molecular Phylogenetics and Evolution. 94 (Pt B): 688–700. Bibcode:2016MolPE..94..688A. doi:10.1016/j.ympev.2015.09.009. ISSN 1055-7903. PMID 26400101.
^ Salino, Alexandre; Almeida, Thais; Smith, Alan (2 December 2015). "New combinations in Neotropical Thelypteridaceae". PhytoKeys (57): 11–50. doi:10.3897/phytokeys.57.5641. ISSN 1314-2003. PMC 4698513. PMID 26752025.
^ Fawcett, S. & A.R. Smith. 2021. A generic classification of the Thelypteridaceae. Sida, Bot. Misc. 59. BRIT Press, Fort Worth Botanic Garden | Botanical Research Institute of Texas, U.S.A.

[CFLW-1] Hassler, Michael & Schmitt, Bernd (January 2020), "Amauropelta", Checklist of Ferns and Lycophytes of the World, 8.20, archived from the original on 2017-09-02, retrieved 2020-01-10

[2] Almeida, Thaís Elias; Hennequin, Sabine; Schneider, Harald; Smith, Alan R.; Batista, João Aguiar Nogueira; Ramalho, Aline Joseph; Proite, Karina; Salino, Alexandre (1 January 2016). "Towards a phylogenetic generic classification of Thelypteridaceae: Additional sampling suggests alterations of neotropical taxa and further study of paleotropical genera". Molecular Phylogenetics and Evolution. 94 (Pt B): 688–700. Bibcode:2016MolPE..94..688A. doi:10.1016/j.ympev.2015.09.009. ISSN 1055-7903. PMID 26400101.

[3] Salino, Alexandre; Almeida, Thais; Smith, Alan (2 December 2015). "New combinations in Neotropical Thelypteridaceae". PhytoKeys (57): 11–50. doi:10.3897/phytokeys.57.5641. ISSN 1314-2003. PMC 4698513. PMID 26752025.

[4] Fawcett, S. & A.R. Smith. 2021. A generic classification of the Thelypteridaceae. Sida, Bot. Misc. 59. BRIT Press, Fort Worth Botanic Garden | Botanical Research Institute of Texas, U.S.A.

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