Pentagramma triangularis subsp. maxonii (Weatherby) Yatskievych, Windham & Wollenweber
Family: Pteridaceae
Maxon's goldback fern
[Pityrogramma triangularis var. maxonii Weatherby]
Pentagramma triangularis subsp. maxonii image
Patrick Alexander  
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. 2 n = 60, 120. Desert scrub and in pine and oak woodlands; 100--2500 m; Ariz., Calif., N.Mex.; Mexico in Baja California, Sonora.
Pentagramma triangularis subsp. maxonii image
Sue Carnahan  
Pentagramma triangularis subsp. maxonii image
Patrick Alexander  
Pentagramma triangularis subsp. maxonii image
Patrick Alexander  
Pentagramma triangularis subsp. maxonii image
Patrick Alexander  
Pentagramma triangularis subsp. maxonii image
Sue Carnahan  
Pentagramma triangularis subsp. maxonii image
Sue Carnahan  
Pentagramma triangularis subsp. maxonii image
Sue Carnahan  
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