@article {7995, title = {Estudios sobre el complejo Bromus catharticus (Poaceae): 1. Evaluaci{\'o}n estad{\'\i}stica de los caracteres taxon{\'o}micos}, journal = {Kurtziana}, volume = {21}, year = {1991}, month = {1991///}, pages = {243 - 257}, author = {A.M. Planchuelo} }