title: Polyspermy in apomictic Crataegus: yes and no.
authors.affiliation: Department of Biology and Biochemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK. bssrjs@bath.ac.uk
authors.forename: Rod J
authors.initials: RJ
authors.lastname: Scott
mesh_terms: D027825:Crataegus / Q000196:embryology / Q000502:physiology*; D005306:Fertilization / Q000502:physiology*; D011003:Ploidies; D012639:Seeds / Q000235:genetics