Media type: E-Article Title: The Breeding System and Aspects of Pollination Effectiveness in Oenothera speciosa (Onagraceae) Contributor: Wolin, Carole L.; Galen, Candace; Watkins, Lee imprint: JSTOR, 1984 Published in: The Southwestern Naturalist Language: Not determined DOI: 10.2307/3670765 ISSN: 0038-4909 Keywords: Ecology, Evolution, Behavior and Systematics Origination: Footnote: