Pentagramma triangularis subsp. maxonii

(Weatherby) Yatskievych

Amer. Fern J. 80: 16. 1990.

Basionym: Pityrogramma triangularis var. maxonii Weatherby Rhodora 22: 119. 1920
Treatment appears in FNA Volume 2.

Petiole glabrous, not viscid-glandular, rarely white-farinose proximally. Blades thin and herbaceous (but not leathery), not viscid-glandular, abaxially densely white-farinose, adaxially with scattered yellow capitate glands. Distal pinnae mostly regularly lobed. Proximal basiscopic lobes of basal pinnae pinnatifid, often deeply so. 2n = 60, 120.

Habitat: Desert scrub and in pine and oak woodlands
Elevation: 100–2500 m


V2 723-distribution-map.gif

Ariz., Calif., N.Mex., Mexico in Baja California, Sonora.


Selected References


Lower Taxa

George Yatskievych +  and Michael D. Windham +
(Weatherby) Yatskievych +
Pityrogramma triangularis var. maxonii +
Ariz. +, Calif. +, N.Mex. +, Mexico in Baja California +  and Sonora. +
100–2500 m +
Desert scrub and in pine and oak woodlands +
Amer. Fern J. +
Illustrated +
Pityrogramma triangularis +
Pentagramma triangularis subsp. maxonii +
Pentagramma triangularis +
subspecies +