McCune, B 1987: Distribution of chemotypes of Rhizoplaca in North America. - The Bryologist90: 6-14. [RLL List # 131 / Rec.# 12661] Keywords: RHIZOPLACA/ CHEMOTYPES/ KEY/ CHEMISTRY/ NORTH AMERICA
Abstract: 11 figures. 2 tables. [Recognition of 6 species; key. Several chemotypes were found in Rhizoplaca chrysoleuca and in R. melanophthalma. Geographical distribution patterns of the chemotypes are analyzed. No taxonomic changes are proposed for the time being.]