Data on the composition and distribution of the macrophytobenthos of the coastal water area at Cape Kara-Mrun (the Tarkhankut Peninsula, Black Sea) are given. Sixty-eight species of macrophytes were recorded: Chlorophyta – 14, Ochrophyta (Phaeophyceae) – 18, Rhodophyta – 36. Chaetophora pisiformis (Roth) C. Agardh and Pilinia rimosa Kütz. were first cited for the Tarkhankut–Sevastopol hydrobotanical region of the Black Sea. The flora of the surveyed site included 15 rare taxa listed as endangered and protected species of various ranks; natural habitats are subject to special protection under the EU Habitats Directive (Directive 92/43/EEC). The site has conservational and recreational value; its preservation will contribute to the structural and functional integrity of the territorial-aquatic complex of the coastal zone of the sea.

Keywords: Black Sea, Crimean Peninsula, Cape Kara-Mrun, macrophytobenthos, species composition, distribution

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