Doroshina, G.Ya. & I.V. Czernyadjeva. 2026. Bryum barnesii, a moss species new for Russia

Arctoa (2026) 35: 37–39

doi: 10.15298/arctoa.35.03

Bryum barnesii J.B. Wood ex Schimp.was found for the first time in Russia, in foothill of Caucasus, in Stavropol Territory. Description and illustration of Caucasian specimen are provided. Bryum barnesii differs from other species of the genus with bulbils in leaf axils in their greater number, 5–15 per axil in the upper leaves. It also characterised by the reddish color of leaf base and often decurrent leaves. The differences from Bryum bicolor are discussed.