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044.0000 Family Thelypteridaceae Ching ex Pic.Serm.; Webbia 24: 711 (1970)
3-34 genera (depending on genus concept), 1100-1200 spp. The genus concepts were wildly fluctuating and disputed, from the inclusion of everything into one monster genus Thelypteris to the split of over 30 genera. We use the new genus concept by Fawcett & Smith (2021), which is based on molecular results and adopts a compromise approachl
Species listed in database: 1181; hybrids: 39
044.1002 Genus Phegopteris (C.Presl) Fée; Mém. Foug. 5 (Gen. Filic.) 242 (1852)
Distribution: North-temperate Asia, Europe and North America. Species delimitation see Fujiwara et al. 2021
Species listed in database: 6
= Lastrella (H.Itô) Nakai; J. Jap. Bot. 24: 8 (1949)
= Phegopteris sect.Lastrella H.Itô; Nov. Fl. Jap. [Nakai & Honda] 4: 152 (1939)
= Polypodium subgen.Phegopteris (C.Presl) C.B.Clarke; Trans. Linn. Soc. London, Bot., Ser. 2, 1: 542 (1880)
= Polypodium subgen.Phegopteris C.Presl; Tent. Pterid. 179 (1836) (p. p.)
= Thelypteris subgen.Phegopteris (C.Presl) Ching; Bull. Fan Mem. Inst. Biol., Bot. 6: 250 (1936)
= Thelypteris subgen.Phegopteris sect.Phegopteris K.Iwats.; Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 31: 25 (1964) and sect. Lastrella (p. p.)
= Phegopteris sect.Lastrella H.Itô; Nov. Fl. Jap. [Nakai & Honda] 4: 152 (1939)
= Thelypteris subgen.Phegopteris sect.Lastrella K.Iwats.; Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 31 (1964), 25: 137 (1965)

Search for: Phegopteris

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A complete, synonymic checklist of the Ferns and Lycophytes of the World

Version 26.02 (Feb. 1st, 2026)

Covering 13,244 accepted species,
820 hybrids, 942 accepted infraspecific taxa and 54,691 synonyms,
in total 69,697* names

[*about 1,200 dubious, "unplaced" names are omitted from the main database and listed under "Unplaced names"]

With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 4,677 pictures of 1,435 taxa

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life