Plagiothecium sylvaticum var. sylvaticum Schimp.

Plagiothecium sylvaticum var. sylvaticum (Brid.) Schimp., Bryologia Europea 5: 192, 503. 1851. ≡ Hypnum sylvaticum Brid., Muscologiae Recentiorum 2 (2): 53, 1 f. 5. 1801 ≡ Hypnum denticulatum var. sylvaticum (Brid.) Turner, Muscologiae Hibernicae Spicilegium 146. 1804 ≡ Stereodon sylvaticus (Brid.) Brid., Bryologia Universa 2: 825, 1827 ≡ Hypnum denticulatum subsp. sylvaticum (Brid.) Boulay, Muscinées de la France, Mousses 85. 1884 ≡ Plagiothecium denticulatum subsp. sylvaticum (Brid.) Dixon, Student’s Handbook of British Mosses 437. 1896. Lectotype (the clump at the top of the sheet, selected by Iwatsuki 1970): [Germany,] saltus Thuringicus in paluda, ex herb. Brid., B 31091501! = Plagiothecium sylvaticum var. flavescens Warnst., Allegmeine Botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie 5 (1): 34. 1899. Lectotype (designated here): [Germany,] am Gaisriegl Dreitannenriegel, Bayr Wald, in Quellsümpfen, 1887, M. Lickleder, PC 0132583! syn. nov. = Plagiothecium platyphyllum Mönk., Die Laubmoose Europas 866, 207 b. 1927 ≡ Plagiothecium sylvaticum var. platyphyllum (Mönk.) F. Koppe, Abhandlungen und Berichte der Naturwissenschaftlichen Abteilung der Grenzmärkischen Gesellschaft zur Erforschung und Pflege der Heimat, Schneidemühl 1931 ≡ P. neglectum subsp. platyphyllum (Mönk.) Szafran, Flora Polska Mchy (Musci) 2: 288, 1961, comb. inval. Type: Germany, bei Gersfeld in der Rohn 1906, ferner mir aus Thüringen unddem sächsischen Vogtlande unter anderer Bezeichnung bekannt geworden; The Czech Republic, ferner 1911 im Böhmerwalde bei Eisenstein gesammelt. Lectotype (designated by Wolski et al. 2024): Germany, Thüringien, Finsteres Loch, 26 June 1916, R. Schmidt, HBG! = Plagiothecium ruthei fo. submersum Bizot, in sched. Basis: France, Vosges, Hohneck, immergé dans le lac du Frankenthal, M. Bizot 2910, PC 0132598! = Plagiothecium ruthei var. rivulare Mayl. in sched. Basis: Switzerland, Uri, entre Göschenen et Andermatt, Sep., 1903, Thériot, J. J. Amann, PC 0132602! syn. nov. Description. Plants medium-sized to large, light green, dull, without metallic luster; leaves complanate, more or less flat, ovate, not imbricate and not julaceous, symmetrical, 2.0–3.0 × 1.0– 1.6 mm (Fig. 3 A); the apex acute and denticulate, often eroded; laminal cells 75–160 × 12.5–20 μm at midleaf (Fig. 3 D), cell areolation loose; decurrencies long, consisting of 3–4 rows of rounded and inflated cells; capsule inclined. Distribution. Asia (China, Democratic People’s Republic of Korea, Georgia, Islamic Republic of Iran, Japan, Republic of Korea, Russian Federation, Turkey); Europe (Andorra, Austria, Bulgaria, Croatia, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Kosovo, Lithuania, Luxembourg, Montenegro, North Macedonia, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom); North America (Canada, U. S. A.).