Template:Hale, 1987

• Hale, M.E., Jr. 1987. A Monograph of the Lichen Genus Parmelia Acharius sensu stricto (Ascomycotina: Parmeliaceae). Smithsonian Contributions to Botany 66: 1–55. DOI: 10.5479/si.0081024X.66 . hdl: 10088/6972 .  
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  • RLL List # 133 / Rec.# 7496 – Recent Literature on Lichens