Overview
Distribution
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Mickel, J. T. & A. R. Smith. 2004. The Pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1–1054.
http://www.tropicos.org/Reference/1025841
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Missouri Botanical Garden
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Wikipedia
Pentagramma
- For the musical term, see Staff (music).
Pentagramma is a small genus of North American ferns. Until 1990 members of this genus were included in Pityrogramma, and agreement has not yet been reached regarding the species' taxonomy.[1] There are one to three species, with two species commonly described and named Pentagramma pallida and P. triangularis.[1]
The distribution of P. triangularis (goldback fern) extends from British Columbia through the southwestern United States into northwestern Mexico,[2] while P. pallida (pale silverback fern) is limited to the high mountains of California.
Species
- Pentagramma pallida (Weath.) Yatsk. et al.
- Pentagramma triangularis (Kaulf.) Yatsk. et al.
References
- ^ a b Flora of North America
- ^ C.Michael Hogan, ed. 2010. ‘’Pentagramma triangularis’’ . Encyclopedia of Life.
Source:
Wikipedia
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