Variation of a floral polymorphism at different spatial scales in the Mediterranean geophyte Narcissus assoanus
Regina Berjano, Perrine Gauthier, Chiara Parisi, Valentine Vaudey, Virginie Pons, Alain Renaux, David Doblas, John D. Thompson
J Plant Ecol . 2016, (3): 333 -345 .  DOI: 10.1093/jpe/rtv057