Study in the evolution of the sunflower species Helianthus annuus and H. bolanderi /
Charles B.Heiser , Jr.
- Berkeley ; Los Angeles : University of California Press , 1949 .
- 155-196 p . ; [197-208] p . : Plates : p . 197-208 ;
- University of California Publications in Botany , v. 23 , No. 4 , pp. 157-208 , plates 30-39 , 6 figures in text .
- University of California publications in botany ; v. 23, no. 4. .
Based on thesis--University of California
Literature cited : p . 193-196
Common sunflower--Variation. Исследование эволюции видов подсолнечника Helianthus--Ботаника
--Ботаника--Исследование эволюции видов подсолнечника Helianthus