Sterile sorediate crust

HERBARIUM OF
THE NEW YORK BOTANICAL GARDEN
LICHENS OF NEW YORK
sterile, sorediate - usnic acid
on Prunus
ULSTER COUNTY: Trail to Giant Ledge from Giant
Ledge parking lot on Co. Rte. 47, shoulder at
ca. 835 m, wet hardwoods. 10 May 1993.
NEW YORK BOTANICAL GARDEN
COLLECTED BY R. C. Harris 30519
04681019
usnic acid
zeori n
Determined by R. C. Harris, 1993. No. 1195-18
Whatman Silica Gel 60 F254
Toluene:dioxane: acetic acid (90:25:4)
BOTANICAL
04681019