Titlebook: Spores of the Pteridophyta; Surface, Wall Struct Alice F. Tryon,Bernard Lugardon Book 1991 Springer-Verlag New York Inc. 1991 Pteridophyta.

Nausea

, (R. Br.) Presl,ugulate to reticulate, foveolate surface. The well-developed exospore includes a middle layer that extends between the aperture and the prominent flange on the proximal face. The perispore is thin and plain, or rarely granulate.

byline

Stress-Fracture

CAJ

incarcerate

Entirety

tolerance

Adenoma

Introduction,ical and systematic treatments. Structural details evident in the micrographs are particularly germane to the extensive LM studies on fossil spores. Reference to these and stratigraphic work, included in the commentary as they relate to spores of the extant genera, are considered supplementary, rather than a review of paleopalynology.

可商量

爆炸

, Pichi-Sermolli, exospore. The spores are similar to those of . known from Cretaceous to Pleistocene deposits in Antarctica, southern South America, South Africa, and Australia, and have been used to trace the migration of . from the Old World to the neotropics.