The American species of Crepis: their interrelationships and distribution as affected by polyploidy and apomixis
- Washington (D.C.) The Carnegie Institution of Washington 1938
- 199 p. il., mapas, tbls.; 26 cm.
- Carnegie Institution of Washington. Publication .
Donación: Legado Dr. Juan H. Hunziker Incluye Bibliografía: p. 75-78 e índices
CITOLOGIA COMPUESTAS ESTADOS UNIDOS TAXONOMIA CREPIS