Ziba Jamzad - Research Institute of Forests and Rangelands, P. O. Box ۱۳۱۸۵-۱۱۶, Tehran, Iran.

Eremostachys lanata, collected from N. Iran and Mentha mozaffarianii, collected from S. Iran are described as new species. E. glabra Boiss. is mentioned to be the closest species to the former and M.royleana Benth. to the latter. Differences of the new species with close species are discussed.

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