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Polyphlebium
	Illustration of Polyphlebium angustatum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Hymenophyllales
Family:	Hymenophyllaceae
Subfamily:	Trichomanoideae
Genus:	Polyphlebium; Copel.
Type species
	Polyphlebium venosum; (Brown) Copeland
Species
	See text.
Synonyms
	Phlebiophyllum van den Bosch 1861;

Polyphlebium is a fern genus in the family Hymenophyllaceae. The genus is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I) but not by some other sources.

Taxonomy

The genus Polyphlebium was erected by Edwin Copeland in 1938.^[1] Its status, like other genera in the family Hymenophyllaceae, remains disputed. The Pteridophyte Phylogeny Group classification of 2016 (PPG I) accepts the genus, saying that there are about 15 species.^[2] As of October 2019^[update], the Checklist of Ferns and Lycophytes of the World lists 17 species,^[1] whereas Plants of the World Online sinks the genus into Trichomanes.^[3]

Phylogeny

As of October 2019^[update], the Checklist of Ferns and Lycophytes of the World accepted the following species:^[1] Phylogeny of Polyphlebium by Fern Tree of Life.^[4]^[5]

P. exsectum (Kunze) Ebihara & Dubuisson

	P. angustatum (Carmich.) Ebihara & Dubuisson

	P. capillaceum (L.) Ebihara & Dubuisson

P. ingae (C.Chr.) Ebihara & Dubuisson

	P. diaphanum (Kunth) Ebihara & Dubuisson

	P. hymenophylloides (Bosch) Ebihara & Dubuisson

P. colensoi (Hook. fil.) Ebihara & K.Iwats.

P. venosum (R.Br.) Copel.

	P. endlicherianum (C.Presl) Ebihara & K.Iwats.

	P. vieillardii (Bosch) Ebihara & K.Iwats.

Unassigned species:

Polyphlebium borbonicum (Bosch) Ebihara & Dubuisson
Polyphlebium haughtii (Morton) comb. ined.
Polyphlebium herzogii (Rosenst.) A.R.Sm. & M.Kessler
Polyphlebium philippianum (Sturm) Ebihara & Dubuisson
Polyphlebium pyxidiferum (L.) Ebihara & Dubuisson
Polyphlebium tenuissimum (Bosch) comb. ined.
Polyphlebium werneri (Rosenst.) Ebihara & K.Iwats.

References

^ ^a ^b ^c ^d Hassler, Michael & Schmitt, Bernd (August 2019), "Polyphlebium", Checklist of Ferns and Lycophytes of the World, 8.02, retrieved 2019-10-05
^ 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
^ "Callistopteris C.Presl", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-10-05
^ Nitta, Joel H.; Schuettpelz, Eric; Ramírez-Barahona, Santiago; Iwasaki, Wataru; et al. (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science. 13: 909768. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.
^ "Tree viewer: interactive visualization of FTOL". FTOL v1.6.0 [GenBank release 259]. 2024. Retrieved 17 August 2024.