Title: Study in the evolution of the sunflower species Helianthus annuus and H. bolanderi
First published: 1949
Subjects: Helianthus, Hybridization, Vegetable, Plants, Variation, Vegetable Hybridization, Plant hybridization, Common sunflower, Serpentine sunflower
LC classification: QK1 .C2 vol. 23, no. 4