Didymoglossum petersii, the dwarf bristle fern,[2] is a species in the family Hymenophyllaceae,[1] (filmy ferns). It is one of three filmy ferns native to a significant area of the United States. It is found only in the nine most southeastern states, south of the Kentucky/Virginia - Tennessee/North Carolina dividing line, as well as in Mexico and Guatemala.[citation needed]
| Didymoglossum petersii | |
|---|---|
| |
| Illustration (original as Trichomanes petersii) | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Hymenophyllales |
| Family: | Hymenophyllaceae |
| Genus: | Didymoglossum |
| Species: | D. petersii
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| Binomial name | |
| Didymoglossum petersii | |
| Synonyms[1] | |
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The genus Didymoglossum is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I),[3] but not by some other sources. As of October 2019[update], Plants of the World Online merged the genus into a broadly defined Trichomanes, treating this species as Trichomanes petersii.[4]
References
edit- ^ a b c Hassler, Michael & Schmitt, Bernd (August 2019). "Didymoglossum petersii". Checklist of Ferns and Lycophytes of the World. 8.10. Archived from the original on 2017-09-02. Retrieved 2019-10-08.
- ^ USDA, NRCS (n.d.). "Trichomanes petersii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 23 February 2018.
- ^ 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.
- ^ "Didymoglossum petersii (A.Gray) Copel". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2019-10-09.
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