Pentagramma triangularis (Kaulf.) G. Yatskievych, M. D. Windham &
Pteridaceae
Herbarium (n.d.)
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M. S. Taylor
3464
1981-03-31
03/31/1981
United States, California, Butte, S side of Concow Rd, ca. _ mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville. T22N R04E S02 with 01 N border USGS Quadrangle: Pulga SW
39.798611 -121.486944 +-805m. NAD83
T22N R04E S02 with 01 N border; 39§ 47m 55s N; 121§ 29m 13s W
853 meters
2800ft.
Reddish weathered serpentine outcrop, open and dry. Associates: Senecio eurycephalus var. lewisrosei, Sanicula tuberosa, Erythronium.