Media type: E-Article Title: Parthenogenesis in Tetraploid Lilium longiflorum Contributor: Emsweller, S. L.; Uhring, Joseph Published: Wiley, 1962 Published in: American Journal of Botany, 49 (1962) 9, Seite 978 Language: Not determined DOI: 10.2307/2439210 ISSN: 0002-9122 Keywords: Plant Science ; Genetics ; Ecology, Evolution, Behavior and Systematics Origination: Footnote: