Genus Crepis
Bobcock, Ernest Brown
Genus Crepis by Ernest Brown Babcock - - Berkeley University of California Press 1947 - xii,198p. - University of California Publications in Botany .
Toxonomic concepts
581 / BAB
Genus Crepis by Ernest Brown Babcock - - Berkeley University of California Press 1947 - xii,198p. - University of California Publications in Botany .
Toxonomic concepts
581 / BAB