پديد آورندگان :
مازوجي، علي نويسنده گروه زيست شناسي، دانشكده علوم پايه، دانشگاه آزاد اسلامي واحد رودهن Mazooji, ali , سليم پور، فهيمه نويسنده گروه زيستشناسي، دانشكده علوم پايه،واحد تهران شمال، دانشگاه آزاد اسلامي salimpour, fahimeh
چكيده لاتين :
Horsetail genus (Equisetum L.) belongs to Equisetaceae. There are 25 living species in the world that are identified and these species are distributed worldwide, except Australia and New Zealand. 5 species are reported from Iran which are: E. telmateia Ehrh., Hannov. Mag., E. ramosissimum Desf., E. arvense L., E. fluviatile L. and E. palustre L. 3 new records have been reported from the north of Iran for the first time for Iranian sphenoflora: E. variegatum Schleicher ex Weber & Mohr., E. pratense Ehrh. and E .hyemale L. Plants specimen were collected from humid and semi-humid regions of Golestan, Guilan, Mazandaran, Ardabil, Qazvin & Tehran province. For identifying every record, morphological characters such as stem length, the number of sheets, the number of grooves, were used.
