Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
571.842 Er66 63772
Erdtman G Pollen and spore morphology/plant taxonomy gymnospermae, pteridophyta, Bryophyta Stockholm Almqvist & Wiksell 1957 151p. * Plant spores Pollen-morphology Polynotaxonomy