Template:Hale, 1976b

• Hale, M.E., Jr. 1976. A Monograph of the Lichen Genus Bulbothrix Hale (Parmeliaceae). Smithsonian Contributions to Botany 32: 1–29. DOI: 10.5479/si.0081024X.32 . hdl: 10088/6975 .  
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  • RLL List # 95 / Rec.# 7475 – Recent Literature on Lichens