pollination

Geer, Susan M. USDA Bee Biology and Systematics Lab, Utah State Univ., Logan, Utah

• pollination
• Astragalus
• Hymenoptera

Levin, D.A., K. Ritter, and N.C. Ellstrand. 1979. Protein polymorphism in the narrow endemic Oenothera organensis. Evolution 33(2): 534-542.