title: The long wait for hybrid sterility in flowering plants.
authors.affiliation: Section of Integrative Biology, University of Texas, Austin, TX, 78713, USA.
authors.forename: Donald A
authors.initials: DA
authors.lastname: Levin
mesh_terms: D002678:Chimera / Q000235:genetics / Q000502:physiology*; D032461:Chromosomes, Plant / Q000235:genetics; D017753:Ecosystem; D019143:Evolution, Molecular; D005298:Fertility; D049810:Genetic Speciation; D014644:Genetic Variation; D019684:Magnoliopsida / Q000235:genetics / Q000502:physiology*; D051479:Plant Infertility / Q000235:genetics / Q000502:physiology*; D013997:Time Factors