Coppins, BJ 1991: [Review of:] : [Review:] H. M. Jahns (Ed.). Contributions to Lichenology in Honour of A. Henssen. Bibliotheca Lichenologica 38: 1-427. J. Cramer, Berlin & Stuttgart. . - Lichenologist23(4): 409-410. [RLL List # / Rec.# 3547] Keywords: REVIEW