Plagiothecium nemorale (Mitt.) A. Jaeger

Plagiothecium nemorale (Mitt.) A. Jaeger View in CoL , Bericht über die Thätigkeit der St. Gallischen Naturwissenschaftlichen Gesellschaft 1876–1877: 451. 1878.

≡ Stereodon nemoralis Mitt. , Journal of the Proceedings of the Linnean Society, Botany, Supplement 1 (2): 104. 1859 ≡ Plagiothecium silvaticum var. nemorale (Mitt.) Paris View in CoL , Index Bryologicus 967. 1898. Type: Hab. in Himalayae orient. reg. temp., Sikkim, in monte Tonglo (ad radicem filicis cujusdam), J. D. Hooker. Lectotype (designated by Wolski et al. 2020): Herb. ind or Hook. Fil. & Thomson Stereodon nemorale m. Hab. Sikkim, Tonglo Regio temp. Alt. – J. D. H., BM 1030713! Isolectotype: NY 913349!

= Plagiothecium neglectum Mönk. View in CoL , Die Laubmoose Europas 866. 1927. Lectotype (designated by Wolski and Proćków 2022): figure 207 c excluding a part of the figure with the top of the leaf ( Mönkemeyer 1927: 862). Epitype (designated by Wolski and Proćków 2022): [ Germany,] Wesergebirge, in Erlenbrüchen bei Eschershausen, Juli 1900, W. Mönkemeyer s. n. B 300105646! The remaining original material according to Walter and Martienssen (1976) was confirmed to have been lost at HBG: Thüringen: Eisenach, Annatal, 26. 7. 1898, u. Wartburg, 2. 5. 1915 (J. Bornmüller s. n.); Wesergebirge: Bodenwerder, Königszinne, Juli 1901 (W. Mönkemeyer s. n.); Hessen, Rhön: Gr. Nallen, Juli 1906 (W. Mönkemeyer s. n.); Vogtland: Plauen, Triebtal, 25. 07. 1904 (E. Stolle s. n.); Bayern: Allgäu, Hinterstein, Sauwald, Aug. 1906, u. Regensburg, U-Lichtenwald, Schindelmacherhänge, Nov. 1906 (I. Familler s. n.); Prien / Chiemsee: 500 m, Juni 1911 (T. Linder s. n.); Mähren: Oppafall, Juli 1904 (J. Podpěra s. n.); Ostpreuβen: Labiau, Juli 1864 (H. v. Klinggräff s. n.); Kurland: Usmaitensee, Moritzholm, Mengwald, 3. 8. 1913 (K. R. Kupffer s. n.); sine loc. et dat. (Wüstnei 380).

= Plagiothecium saxicola Sakurai View in CoL , Botanical Magazine, Tokyo 48: 395. 1934. Type: [ Japan,] Honshu, Prov. Aki, 4 Jan 1933, Y. Doi 3282, PC 0132573!

Description.

Plants medium-sized, dark green, dull, without metallic luster; stems to 1.5–3.0 cm long; leaves complanate, in dry condition shrunken, concave, symmetrical, ovate, those from the middle of the stem 2.2–2.4 × 1.0– 1.5 mm (Fig. 4 A View Figure 4 ); the apex acuminate, apiculate and denticulate; laminal cells hexagonal in transverse rows, 50–90 × 17–20 μm at mid-leaf (Fig. 4 D View Figure 4 ), cell areolation loose; decurrencies of 3 rows of rectangular cells; capsule inclined.

Distribution.

Asia (Azerbeijan, Bhutan, China, Democratic People’s Republic of Korea, Georgia, India, Islamic Republic of Iran, Japan, Myanmar, Nepal, Pakistan, Philippines, Republic of Korea, Russian Federation, Taiwan, Turkey, Vietnam); Europe ( Albania, Andorra, Armenia, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Italy, Ireland, Kosovo, Latvia, Lichtenstein, Lithuania, Luxembourg, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom); North America ( Canada, U. S. A.).