Bellemere, A/ Letrouit-Galinou, MA 1981: The lecanoralean ascus: an ultrastructural preliminary study. - In: D. R. Reynolds (ed.): Ascomycete Systematics. The Luttrellian Concept. . Springer-Verlag, New York, Heidelberg, Berlin pp. 54-70. [RLL List # 110-12 / Rec.# 1731] Keywords: ASCUS/ ULTRASTRUCTURE/ LECANORALES/ PARMELIA/ PLACYNTHIUM/ COLLEMA/ CLADONIA/ MORPHOLOGY
Abstract: 11 figures. [Detailed review which recognizes four ascus types in the lecanoralean fungi--Parmelia type (with 3 variants), the Placynthium type, the Collema type and the Cladonia type.]