ID Remarks:
Pruinose and epruinose forms grow together, the thalli of the epruinose form usually overlapping the pruinose form, both, however, evidently identical anatomically and chemically.
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Collector:
William A. Weber; Rolf Santesson s.n.
Date: 1966-04-15
Locality:
United States, California, Los Angeles, San Clemente Island; Eel Point, west shore of the island.
32.918 -118.546
Habitat:
On flat rocks at tops of outcrops just above the sea.
Occurrence Remarks:
Lichenes exsiccati distributed by the University of Colorado Museum, William A. Weber, Curator [Weber, Lich. Exs. [Boulder (Colorado)]], 1-?700, William Alfred Weber, exs #: 189