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Polyphlebium angustatum
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Hymenophyllales
Family:	Hymenophyllaceae
Genus:	Polyphlebium
Species:	P. angustatum
Binomial name
Polyphlebium angustatum (Carmich.) Ebihara & Dubuisson
Synonyms
Trichomanes angustatum Carmich. Vandenboschia angustata (Carmich.) Copel. Trichomanes fulvum Klotzsch Trichomanes intermedium Kaulf. Trichomanes schiedeanum Fée Trichomanes subexsertum Bosch Trichomanes tenerum Spreng. Vandenboschia tenera (Spreng.) Copel.

Polyphlebium angustatum is a species of fern in the family Hymenophyllaceae. It is found in South America and on a number of Atlantic islands, including Tristan da Cunha. The genus Polyphlebium is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I), but not by other sources. As of October 2019, Plants of the World Online sank the genus into a broadly defined Trichomanes, treating this species as Trichomanes angustatum.

References

1. ^ Hassler, Michael & Schmitt, Bernd (August 2019). "Callistopteris bauerianum". Checklist of Ferns and Lycophytes of the World. 8.10. Retrieved 2019-10-08.
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. "Polyphlebium angustatum (Carmich.) Ebihara & Dubuisson", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-10-08

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• IUCN Red List least concern species
• Flora of Southern America
• Flora of Tristan da Cunha
• Hymenophyllales
• Least concern plants
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