TY  - BOOK
AU  - Erdtman G
TI  - Pollen morphology and plant taxonomy: angiosperms
U1  - 571.842 
PY  - 1952///
CY  - Stockholm
PB  - Almqvist & Wiksell
KW  - Morphology
KW  - Plant spores
KW  - Pollen
KW  - Polynotaxonomy
ER  -