Student days with Edgar Anderson, or, how I can to study sunflowersCharles B. Heiser · First published 1972Open the Tome
[Letter to the editor of The Professional Geographer]Charles B. Heiser · First published 1971Open the Tome
Variation and subspeciation in the common sunflower, Helianthus annuusCharles B. Heiser · First published 1954Open the Tome
Study in the evolution of the sunflower species Helianthus annuus and H. bolanderiCharles B. Heiser · First published 1949Open the Tome
