The lecideoid lichen Helocarpon lesdainii (Zahlbr.) Breuss, comb. nova is reported new to the United States from coastal forests of Oregon. Originally described as Lecidea lesdainii Zahlbr. from the Canary Islands, the species seems to be locally abundant in the Pacific Northwest.
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1 December 2001
Helocarpon lesdainii (Lichens, Helocarpaceae) in the Pacific Northwest
Othmar Breuss
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The Bryologist
Vol. 104 • No. 4
Winter 2001
Vol. 104 • No. 4
Winter 2001