Mohammad Amini Rad - Department of Botany, Iranian Research Institute of Plant Protection, P. O. Box ۱۴۵۴, Tehran ۱۹۳۹۵, Iran.
Jaber Sharifi - Research Organization of Agriculture and Natural Resources of Ardabil Province, Ardabil, Iran.

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.

Carex diandra, Cyperaceae, new record, Iran