Honegger, R 1986: Ultrastructural studies in lichens. II. Mycobiont and photobiont cell wall surface layers and adhering crystalline lichen products in four Parmeliaceae. - New Phytologist103: 797-808. [RLL List # 129-78 / Rec.# 8713] Keywords: TEM/ SEM/ ULTRASTRUCTURE/ SECONDARY METABOLITES/ METABOLISM/ PARMELIA/ CETRELIA/ PLATISMATIA/ PSEUDEVERNIA/ CELL WALL
Abstract: 7 figures. 1 table. ["In freeze-dried SEM preparations of all four species, crystalline secondary metabolites of fungal origin were detected on the surface of the algal symbiont." Possible metabolic roles of these substances are discussed.]