References
Cheplick, G.P. 1989. Nutrient availability, dimorphic seed production, and reproductive allocation in the annual grass Amphicarpum purshii. Can J. Bot. 67: 2514-2521. Google Scholar
Cheplick, G.P. 1989. Nutrient availability, dimorphic seed production, and reproductive allocation in the annual grass Amphicarpum purshii. Can J. Bot. 67: 2514-2521. Google Scholar