updated Esslinger Checklist v. 23, Sept. 2019 (2020)
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isotype
W. A. Weber
s.n.
1986-01-08
08 Jan 1986
Charis Bratt
United States, California, Santa Barbara, Santa Cruz Island, W end, Channel Islands
34.006 -119.884
50-100 meters
50 - 100 m
On top of the rocky headland just above the spray zone: an almost pure stand dominating the level or gently sloping area, occurring with Caloplaca rosei and sometimes overgrown with Xanthoria candelaria
No. 660 of W.A. Weber's Lichenes exsiccati, as Caloplaca brattiae