Gowan, SP 1989: The lichen genus Porpidia (Porpidiaceae) in North America. - The Bryologist92(1): 25-59. [RLL List # 137 / Rec.# 6936] Keywords: PORPIDIA/ PORPIDIACEAE/ KEY/ NEW TAXA/ LECIDEACEAE/ LECIDEA/ AMYGDALARIA
Abstract: 71 figures. 3 tables. [Recognition of 21 species; key. New: Porpidia calcarea sp. nov., P. carlottiana sp. nov., P. diversa (Lowe) comb. nov., P. flavicunda (Ach.) comb. nov., P. grisea sp. nov., P. herteliana sp. nov., P. lowiana sp. nov., P. tahawasiana sp. nov., and P. thomsonii sp. nov. Detailed chemical notes are also provided along with morphological, ecological, and geographical data.]
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