%0 Journal Article %T Implications of Pollen/Ovule Ratios and Pollen Size for the Reproductive Biology of Potamogeton and Autogamy in Aquatic Angiosperms %A Philbrick, C. Thomas %A Anderson, Gregory J. %A , %J Systematic Botany %V 12 %N 1 %P 98 %@ 0363-6445 %D 1987-01-01 %I JSTOR %~ DeepDyve