Coppins, BJ 1984: Key to crustose pyrenocarpous lichens on limestone and associated substrata (excluding aquatic and marine habitats). - British Lichen Society Bulletin54: 36-45. [RLL List # 121-16 / Rec.# 3530] Keywords: PYRENOCARPOUS/ KEY/ LIMESTONE/ BRITISH ISLES/ OWN
Abstract: Many figures. [Preliminary key to British taxa with helpful drawings illustrating important characteristics of pyrenocarp reproductive structures.]