Template:Hale, 1990a

• Hale, M.E., Jr. 1990. A Synopsis of the Lichen Genus Xanthoparmelia (Vainio) Hale (Ascomycotina, Parmeliaceae). Smithsonian Contributions to Botany 74: 1–250. DOI: 10.5479/si.0081024X.74 . hdl: 10088/6971 .  
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  • RLL List # 141 / Rec.# 7515 – Recent Literature on Lichens