TY  - BOOK
AU  - Heusser,Calvin J.
TI  - Pollen and spores of Chile: modern types of the Pteridophyta, Gymnospermae, and Angiospermae
U1  - 581.4 
PY  - 1971///]
CY  - Tucson
PB  - University of Arizona Press
KW  - Pollen
KW  - Chile
KW  - Identification
KW  - Spores (Botany)
KW  - Botany
ER  -