Plant habit near Donner Pass in the Sierra Nevada, CA, 30 Jul 2006.
A fertile leaf (sporophyll) near Donner Pass, 30 Jul 2006.
A sterile leaf (trophophyll) near Donner Pass, 30 Jul 2006.
Plant habit in the La Sal Mts., UT, 6/18/06. The old, browned leaves with narrow leaflets are last year's sporophylls.