ScienceAsia 8 (1982): 163-166 |doi: 10.2306/scienceasia1513-1874.1982.08.163

THE MAJOR CONSTITUENTS OF TWO LICHENS- CALOPLACA FULGENS AND SIPHULA CORIACEA

JACK R. CANNON,^a JAMES H. LANGFORD,^a GORDON G. SMITH^b and LAURENCE C.H. WONG^a

ABSTRACT: The major constituents of Caloplaca fulgens Koerb and Siphula coriacea Tayl. ex Nyl. have been identified as parietin (1) and barbatic acid (2), respectively.

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a Department of Organic Chemistry, University of Western Australia, Nedlands, W.A. 6009, Australia.
b Department of Botany, University of Western Australia, Nedlands, W.A. 6009, Australia

Received 8 April 1982