TY  - BOOK
AU  - Heiser ,Charles B .
TI  - Study in the evolution of the sunflower species Helianthus annuus and H. bolanderi
T2  - University of California Publications in Botany ,
PY  - 1949///
CY  - Berkeley, Los Angeles
PB  - University of California Press
KW  - Common sunflower
KW  - Variation
KW  - Исследование эволюции видов подсолнечника Helianthus
KW  - Ботаника
N1  - Based on thesis--University of California; Literature cited :  p . 193-196
ER  -