Plagiothecium rossicum Ignatov & Ignatova

Plagiothecium rossicum Ignatov & Ignatova, Arctoa 28: 33. 2019. Type material. Holotype: Russia, Pskov Province, Nevel’sk Distr., vicinities of Ustavnoe Settl. (near Yazno Lake), pine forest, at base of pine trunk, 26. IX. 2001, Zolotov P 504, MHA 9041611. Description. Plants small, light green; stems 0.6–1 cm long; leaves forming 40–100 ° angle with stem, distinctly complanate, spreading, asymmetrical, ovate-lanceolate, 0.7–1.6 × 0.3–0.6 mm (Fig. 11 C); the apex acute to acuminate; margins flat, denticulate or not near the apex; laminal cells narrow, 70–130 × 6–7 μm at midleaf (Fig. 11 AF), cell areolation tight; decurrencies of 2–3 rows of rectangular cells; setae 1.0 cm, capsules more or less slightly inclined. Distribution. Asia (Russian Federation); Europe (Poland), but the range of this taxon still requires research.