POLLINATION PATTERNS LIMIT HYBRIDIZATION BETWEEN TWO SYMPATRIC SPECIES OF NARCISSUS (AMARYLLIDACEAE).Published in:American Journal of Botany, 2007, v. 94, n. 8, p. 1352, doi. 10.3732/ajb.94.8.1352By:Marques, Isabel;Rossellò-Graell, Antònia;Draper, David;Iriondo, José M.Publication type:Article