Pentagramma triangularis (Kaulf.) Yatsk., Windham & E.Wollenw.

Authority

Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.

Family

Pteridaceae

Scientific Name

Pentagramma triangularis (Kaulf.) Yatsk., Windham & E.Wollenw.

Description

Species Description - Rhizomes compact, horizontal; rhizome scales castaneous to dark brown, lustrous, glabrous or sometimes viscid-glandular or rarely somewhat white-farinose proximally; blades broadly deltate-pentagonal, herbaceous to subcoriaceous; adaxial surfaces glabrous to glandular or viscid; abaxial surfaces farinose, farina white or yellow.

Discussion

Gymnogramma triangularis Kaulf., Enum. Filic. 73. 1824. Pityrogramma triangularis (Kaulf.) Maxon, Contr. U.S. Natl. Herb. 17: 173. 1913. Type. U.S.A. California: [near San Francisco fide Alt & Grant, 1960] 1816, Chamisso s.n. (B!).

Distribution

Terrestrial or epipetric in dry pine and oak woodlands; 30–1520 m. W Can and USA; Mexico.

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