Pollen-Ovule Ratios in Milkweeds (Asclepiadaceae): An Exception that Probes the Rule

Autor:	Wyatt, Robert, Broyles, Steven B., Lipow, Sara R.
Zdroj:	Systematic Botany, 2000 Apr 01. 25(2), 171-180.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2666636 Zobrazit plný text záznamu