Bellemere, A/ Letrouit-Galinou, MA 1987: Differentiation of lichen asci including dehiscence and sporogenesis: an ultrastructural survey. - In: E. Peveling (ed.): Progress and Problems in Lichenology in the Eighties. . Bibliotheca Lichenologica No. 25. J. Cramer, Berlin-Stuttgart pp. 137-161. [RLL List # 131 / Rec.# 1733] Keywords: ULTRASTRUCTURE/ TEM/ REVIEW/ ASCUS/ MORPHOLOGY/ DIFFERENTIATION/ SPOROGENESIS/ DEHISCENCE/ EVOLUTION
Abstract: 5 figures. 3 plates. [Review of ascal types and apical apparati, differentiation and development, ascosporogenesis, septum formation and dehiscence. Systematic and evolutionary implications are discussed.]