Parapolystichum

Parapolystichum
Parapolystichum microsorum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Polypodiales
Suborder:	Polypodiineae
Family:	Dryopteridaceae
Subfamily:	Elaphoglossoideae
Genus:	Parapolystichum (Keyserl.) Ching[1]
Species
See text.
Synonyms
Polystichum sect. Parapolystichum Keyserl.

Parapolystichum is a genus of ferns in the family Dryopteridaceae, subfamily Elaphoglossoideae, in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).^[1] The genus is mainly native to the tropics, although its range extends to southeastern Australia.^[2]

Taxonomy

The taxon was first described as the section Parapolystichum of the genus Polystichum by Keyserling in 1873.^[3] It was raised to the rank of genus by Ching in 1940.^[4]

Species

As of January 2020^[update], the Checklist of Ferns and Lycophytes of the World recognized the following species:^[5]

• Parapolystichum acuminatum (Houlston) Labiak, Sundue & R.C.Moran
• Parapolystichum acutum (Kuntze) Labiak, Sundue & R.C.Moran
• Parapolystichum barterianum (Hook.) Rouhan
• Parapolystichum boivinii (Baker) Rouhan
• Parapolystichum calanthum (Endl.) J.J.S.Gardner & Nagalingum
• Parapolystichum confine (C.Chr.) Labiak, Sundue & R.C.Moran
• Parapolystichum coriaceosquamatum (Rakotondr.) Rouhan
• Parapolystichum currorii (Mett. ex Kuhn) Rouhan
• Parapolystichum effusum (Sw.) Ching
• Parapolystichum excultum (Mett.) Labiak, Sundue & R.C.Moran
• Parapolystichum fideleae (Rakotondr.) Rouhan
• Parapolystichum glabellum (A.Cunn.) Labiak, Sundue & R.C.Moran
• Parapolystichum grayi (D.L.Jones) J.J.S.Gardner & Nagalingum
• Parapolystichum hornei (Baker) Rouhan
• Parapolystichum kermadecense (Perrie & Brownsey) Perrie & L.D.Sheph.
• Parapolystichum manongarivense (Rakotondr.) Rouhan
• Parapolystichum microsorum (Endl.) Labiak, Sundue & R.C.Moran
• Parapolystichum munitum (Mett.) Labiak, Sundue & R.C.Moran
• Parapolystichum nigritianum (Baker) Rouhan
• Parapolystichum novoguineense (Holttum) Sundue & Testo
• Parapolystichum pacificum (Tindale) J.J.S.Gardner & Nagalingum
• Parapolystichum perrierianum (C.Chr.) Rouhan
• Parapolystichum pseudoperrierianum (Tardieu) Rouhan
• Parapolystichum rufescens (Blume) Labiak, Sundue & R.C.Moran
• Parapolystichum smithianum (Tindale) Labiak, Sundue & R.C.Moran
• Parapolystichum subsimile (Hook.) Rouhan
• Parapolystichum tinarooense (Tindale) Labiak, Sundue & R.C.Moran
• Parapolystichum villosissimum C.Sánchez & Labiak
• Parapolystichum vogelii (Hook.) Rouhan
• Parapolystichum windsorense (D.L.Jones & B.Gray) Labiak, Sundue & R.C.Moran

References

1. 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
2. "Parapolystichum (Keyserl.) Ching", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2020-01-24
3. "Polystichum sect. Parapolystichum Keyserl.", The International Plant Names Index, retrieved 2020-01-24
4. "Parapolystichum (Keyserl.) Ching", The International Plant Names Index, retrieved 2020-01-24
5. Hassler, Michael & Schmitt, Bernd (January 2020), "Parapolystichum", Checklist of Ferns and Lycophytes of the World, Version 8.20, retrieved 2020-01-24