Sterile sorediate crust

The New York Botanical Garden
Lichens of New York State, U.S.A.
sterile, +/- leprose
usnic acid, zeorin
on dead Ulmus
Orange County: Harriman State Park, along
Menomine Trail near Silvermine Picnic Area off
Seven Lakes Drive, 41°18’N, 74°03’W, ca. 220 m;
mixed hardwood forest with granitic erratics along
W shore of Silvermine Lake.
19 April 1998
Richard C. Harris 42153
NEW YORK BOTANICAL GARDEN
04681009
YO^
BOTANICAL
terpenoi d
usnic acid
zeorin
terpenoi d
Determined by R. C. Harris, 1997. No. 1570-4
Merck Kieselgel 60 F254
To!uenesdioxane:acetic acid (90:25ib)
04681009