گزارش گونه Carex diandra (تیره Cyperaceae) از ایران

In review of specimens gathered from northern and eastern slopes of sabalan mountains wetlands (nw iran), interesting specimens belonging to carex l. genus was collected out of which, one specimen was determined as carex diandra schrank which is the first report for the flora of iran. some interesting species of the genus has been also collected which are included herewith. the species has been compared with the nearby species. in addition, morphological characters, geographical distribution in the world and iran is also presented.