Nomenclatural and taxonomic notes on some Stachys taxa (Lamiaceae)

Stachys glechomifolia (Lamiaceae), previously included under S. mardinensis as a synonym, is resurrected in this work based on extensive field and herbarium studies. In addition to its distribution in Turkey, S. mardinensis has firstly been recorded from Iran. Furthermore, the lectotypes of S. fragillima, S. graveolens, and S. kurdica var. brevidens are designated in this study. An expanded description and distribution map of S. glechomifolia, and some taxonomic notes on S. graveolens, S. fragillima, S. mardinensis, and S. nephrophylla are also reported.