In this contribution, the conservation status assessment of four vascular plants according to IUCN categories and criteria are presented. It includes the assessment of Phlomis nubilans Zakirov and Phlomoides anisochila (Pazij & Vved.) Salmaki at global level and Alyssum wulfenianum Bernh. subsp. wulfenianum and Noccaea cepaeifolia (Wulfen) Rchb. at regional level.