Aulicino, M. B. and Arturi, M. J. (2008) “Regional variation in Argentinean populations of Bromus catharticus (Poaceae) as measured by morphological”, Anales del Jardín Botánico de Madrid, 65(1), pp. 135–147. doi: 10.3989/ajbm.2008.v65.i1.251.