Niehaus, Theodore F. A biosystematic study of the genus Brodiaea (Amaryllidaceae) - Berkeley University of California Press 1968 - v, 175 p. il. 26 cm. - University of California publications in botany . ISBN: 0520093909 Subjects--Topical Terms: AMARYLLIDACEAEMORFOLOGIABIOSISTEMATICATESISECOLOGIA VEGETALTAXONOMIA