Template:Clerc & Herrera-Campos, 1997

• Clerc, P. & Herrera-Campos, M.A. 1997. Saxicolous species of Usnea subgenus Usnea (lichenized Ascomycetes) in North America. The Bryologist 100(3): 281–301. DOI: 10.2307/3244499 . ResearchGate .  
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  • RLL List # 168 / Rec.# 3361 – Recent Literature on Lichens