Sterile sorediate crust

The New York Botanical Garden
Cryptogams of Georgia, U.S.A.
sterile, soraliate
usnic acid, xanthone
on rock
Coffee County: Broxton Rocks Ecological Preserve,
Falling Down Rocks, N of Willow Oak Outcrop,
31°44’22"N, 82°51’51"W; shaded base of Altamaha
Grit bluff.
NEW YORK BOTANICAL GARDEN
7 October 1999
William R. Buck 36608
04681027
usnic acid
xanthone
Determined by R. C. Harris, 2002. No. 1744-15
Whatman Silica Gel F254
Toluene:dioxane:acetic acid (90:25:4)
04681027