Sterile sorediate crust

THE NEW YORK BOTANICAL GARDEN (NY)
LICHENS OF MICHIGAN
University of Michigan Biological Station
1964 Lichen class
sterile sorediate crust
usnic acid
on oak bark
CHEBOYGAN COUNTY: Douglas Lake area
23 Jun 1964.
NEW YORK BOTANICAL GARDEN
Collector unknown
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usnic acid
Determined by R. C. Harris, 2012. No. 2H1-13
Merck Silica Gel 60 F254
To!uene:dioxane:acetic acid (180:45:5)
Yoi?^
BOTANICAL
vyJi.scJjucX*^
tljLÌwff-,— Cjo.j yVj IcA
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