Template:Wirth & Hale, 1978

• Wirth, M. & Hale, M.E., Jr. 1978. Morden-Smithsonian Expedition to Dominica: The Lichens (Graphidaceae). Smithsonian Contributions to Botany 40: 1–64. DOI: 10.5479/si.0081024X.40 . hdl: 10088/7031 .  
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  • RLL List # 102-85 / Rec.# 20340 – Recent Literature on Lichens