TY  - BOOK
AU  - Bell,C.Ritchie
TI  - Plant variation and classification
PY  - 1967///
CY  - Belmont, California
PB  - Wadsworth Pub.
KW  - Botany
KW  - Classification
KW  - Local
KW  - Variation
N1  - INcludes bibliographical references (p. 121-125)
ER  -