چكيده لاتين :
Agropyron cristatum subsp. pectinatum var. minor & Agropyron cristatum subsp. humudanicum are described as new taxa from West of Iran. The new variety, var. minor differs from var. pectinatum by having shorter height, Iine spike and shoner glume and lemma. The new subspecies subsp.hamadanicum also differs from Agropyron cristatum subsp, incunum & Agropyron cristatuni subsp,pectinatum by having shorter height, long fibrous roots. and longer spike, spikelete, glume and
lemma.
