Volume 8, Issue 1 (12-2009)
Abstract
For genus Erigeron L. four species were reported from Iran in Flora Iranica treatment Erigeron annuus (L.) Pers. is recorded here from Iran (Guilan province) for the first time. This species is native of Northern America and Canada and widely naturalized in Europe and Asia. An identification key for all the Iranian species is presented here. With addition of this species now, the genus includes five species in Iran.