| 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 |
| Binomial name | |
| Didymoglossum petersii (A.Gray) Copel. | |
| Synonyms | |
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Didymoglossum petersii, the dwarf bristle fern, is a species in the family Hymenophyllaceae, (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.
The genus Didymoglossum is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I), but not by some other sources. As of October 2019, Plants of the World Online merged the genus into a broadly defined Trichomanes, treating this species as Trichomanes petersii.
References
- ^ 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.
- NRCS. "Trichomanes petersii". PLANTS Database. United States Department of Agriculture (USDA). 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.
| Taxon identifiers | |
|---|---|
| Didymoglossum petersii | |
| Trichomanes petersii | |
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