Sterile sorediate crust

The New York Botanical Garden
Cryptogams of Canada
sterile, sorediate - TLC-
on
soil
Ontario: Bruce County, Bruce Peninsula National
Park, just SW of parking area for Halfway Log
Dump, 45°13’38"N, 81°28’50"W, ca. 190 m; Acer
saccbarum-dommzted forest over Silurian dolomite.
20 September 2008
William R. Buck 54191
NEW YORK BOTANICAL GARDEN
04681053
Collected on the 17th Tuckerman Lichen Workshop
no lichen substances detected
Determined by R. C. Harris, 2009. No, 2025-7
Merck Silica Gel 160 F254- Aluminum Plate
To!uene:dioxane:acetic acid (180:4-5:15)
04681053