Sterile sorediate crust

on Betula cordifolia
Cumberland County: Cape Chignecto Provincial
Park, along trail from Red Rocks to McGahey
Brook, 45°2rOO"N, 64o49’26"-50’30"W, 20-150 m;
coastal forest of Abies balsamea, Picea rubens, Betula
alleghaniensis, B. papyrifera and Acer saccharum.
15 May 2004
Richard C. Harris 49796
NEW YORK BOTANICAL GARDEN
04681006
Collected on the XIII Tuckerman Lichen Workshop
thamnolic acid
Determined by R. C. Harris, 2004. No. 1823-24
Merck Silica Gel 160 F254 Aluminum Plates
To!uene:dioxane:acetic acid (180:45:5)
The New York Botanical Garden
Lichens of Nova Scotia, Canada
sterile, soraliate - thamnolic acid
04681006