Plagiothecium denticulatum var. pungens (Mönk.) G. J. Wolski 2025

Plagiothecium denticulatum var. pungens (Mönk.) G. J. Wolski comb. nov.

≡ Plagiothecium sylvaticum fo. pungens Mönk. , Die Laubmoose Europas 865. 1927 ≡ Plagiothecium denticulatum fo. pungens (Mönk.) C. E. O. Jensen , Skandinaviens Bladmossflora 494. 1939. Lectotype (designated here): [ Denmark,] Bornholm, an feuchten im Echotale bei Almindingen, sub Plagiothecium Roeseanum var. orthocladon fo. pungens , July 1910, W. Mönkemeyer, C-M- 9396! Isolectotypes: [ Denmark,] Bornholm, an feuchten im Echotale bei Almindingen, sub. Plagiothecium silvatiucm fo. pungens , July 1910, W. Mönkemeyer, HBG- 021135!

Description.

Plants medium-sized, yellow green to dark green; stems 1.0–2.0 cm, julaceous-foliate; leaves imbricate, concave, ovate, symmetrical, with two rounded sides, rounded symmetric, 2.0–2.5 × 1.0– 1.2 mm (Fig. 2 C View Figure 2 ); the apex acute to acuminate; margins denticulate near the apex; laminal cells 110–160 × 15–20 μm at midleaf (Fig. 2 D View Figure 2 ), cell areolation loose; decurrencies well developed, consisting of 4–5 rows of spherical, inflated cells; capsules unknown for now.

Distribution.

Europe ( Denmark), but the range of this taxon still requires research.