A new metabolite, toensbergianic acid, was isolated from the lichen Lepraria toensbergiana Bayerová & Kukwa together with the depside, atranorin. GC/MS analyses suggest that toensbergianic acid is a diastereoisomer of roccellic acid.
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The Bryologist
Vol. 108 • No. 2
Summer 2005
Vol. 108 • No. 2
Summer 2005
Aliphatic acids
Lepraria toensbergiana
lichen metabolite
Stereocaulaceae
toensbergianic acid