taxonID	type	description	language	source
499C2E5FF410542DB441CF61F2366790.taxon	description	Description. Plants medium-sized, light to dark green, dull, without metallic luster; stems 2 – 4 cm long; leaves julaceous and imbricate mainly on lower part of the stem, concave, folded, asymmetrical, ovate to lanceolate, 3.1 – 3.4 × 1.3 – 1.5 mm (Fig. 4 C); the apex acuminate, short, often gently curved; margins not denticulate near the apex; laminal cells narrowly elongate-hexagonal, 113 – 143 × 15 – 19 μm at midleaf (Fig. 4 F), cell areolation loose; decurrencies of 3 rows of rectangular to quadrate cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
499C2E5FF410542DB441CF61F2366790.taxon	distribution	Distribution. Europe (Czech Republic, Estonia, Hungary, Latvia, Lithuania, Poland); North America (U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
FCBBB5DB4B655C56901E1641029E1C4A.taxon	description	Description. Plants small, dense, yellowish green to green, glossy, with metallic luster; stems erect, 3 – 9 cm long; leaves very crowded on stem, julaceous, imbricate, symmetrical and very concave, thus the leaves often cracked, plicate, 1.5 – 3.1 × 0.7 – 1.1 mm (Fig. 8 A); the apex acuminate, recurved, hook-shaped; margins denticulate or not near the apex; laminal cells 120 – 170 × 12 – 15 μm at midleaf (Fig. 8 C), cell areolation quite loose; decurrencies well developed, consisting of 3 – 4 rows of rectangular cells.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
FCBBB5DB4B655C56901E1641029E1C4A.taxon	distribution	Distribution. Asia (Russian Federation); Europe (Norway); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
7244D2F59DDC53A686CE84CB3FB0E3EE.taxon	description	Description. Plants small-sized, yellowish-green to light green; stems 2 – 4 cm long; leaves julaceous, concave, imbricate, symmetrical, more or less folded, 1.2 – 2.5 × 0.6 – 1.0 mm (Fig. 6 A); the apex not denticulate; laminal cells 100 – 150 × 10 – 12 μm at midleaf (Fig. 6 B), cell areolation quite loose; decurrencies of 2 – 3 rows of rectangular to quadrate cells; setae 1.8 – 2.5 cm; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
7244D2F59DDC53A686CE84CB3FB0E3EE.taxon	distribution	Distribution. Europe (Czech Republic, Denmark, Finland, Germany, Italy, Lithuania, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine, United Kingdom).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
9AFF31287259546F8EE1914A929C5F09.taxon	description	Description. Plants medium-sized, yellow-green to green; stems 1.5 – 2.5 cm long, complanate-foliate; leaves symmetrical or almost symmetrical, gently imbricate, lanceolate to ovate-lanceolate, concave, slightly curved towards the ground, 1.7 – 2.7 × 0.7 – 1.5 mm (Fig. 9 A); margin incurved, delicately on both sides or strongly on one side; the apex acuminate, not denticulate; laminal cells linear-vermicular, 110 – 155 × 8 – 9 μm at midleaf (Fig. 9 C), cell areolation tight; decurrencies of 2 – 3 rows of rectangular cells forming semi-distinct auricles, some cells from external row inflated; capsules inclined to horizontal.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
9AFF31287259546F8EE1914A929C5F09.taxon	distribution	Distribution. Asia (Georgia, Russia); Europe (Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Great Britain, Hungary, Latvia, Netherlands, Poland, Romania, Spain, Sweden); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
3B72CAD8A89B5A6A86A89E3E0786D105.taxon	description	Description. Plants medium-sized, bright-green to green; stems 1.5 – 2.0 cm long; leaves complanate, strongly asymmetrical, hooked, lanceolate, concave, curved towards the ground, 1.7 – 2.2 × 0.6 – 0.9 mm (Fig. 9 B); margin sometimes incurved; the apex acuminate, usually denticulate by 2 – 3 teeth; cells linear-vermicular, 60 – 120 × 7 – 9 μm at midleaf (Fig. 9 D), cell areolation tight; decurrencies forming semi-distinct auricles, of 2 – 3 rows of rectangular, sometimes inflated cells; capsules inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
3B72CAD8A89B5A6A86A89E3E0786D105.taxon	distribution	Distribution. Asia (Russia); Europe (Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Great Britain, Hungary, Latvia, Poland, Slovakia, Sweden); North America (Canada).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
AF3BED5A6E7B5001A8C8B714BD77C1AA.taxon	description	Description. Plants medium-sized to small, yellow to yellow-green; stems 0.5 – 1.5 cm long; leaves gently julaceous and imbricate, folded, ovate to ovate-lanceolate, asymmetrical, concave, often cracked at the base, 1.3 – 2.5 × 0.4 – 1.8 mm (Fig. 10 A); the apex acuminate, not denticulate or rarely with one tooth; cells linear-vermicular, 95 – 190 × 6 – 10 μm at midleaf (Fig. 10 D), cell areolation tight; decurrencies of 3 – 5 rows of rectangular, quadrate, often inflated cells forming semi distinct auricles.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
AF3BED5A6E7B5001A8C8B714BD77C1AA.taxon	distribution	Distribution. Asia (China); Europe (Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Hungary, Latvia, Netherlands, Poland, Slovakia, Sweden, Switzerland); North America (Canada).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
B3C71BC5B7D85C56AECAEC85522B6184.taxon	description	Description. Plants medium-sized, light to dark green, with metallic luster; stems 2 – 5 cm long; leaves complanate, more julaceous in lower part of stem, concave, ovate, asymmetrical, with two rounded sides, rounded asymmetric, 1.5 – 3.0 × 0.5 – 2.0 mm (Fig. 1 A); the apex acute to acuminate; margins denticulate near the apex; laminal cells 80 – 130 × 10 – 14 μm at midleaf (Fig. 1 D), cell areolation quite loose; decurrencies well developed, consisting of 4 – 5 rows of spherical, inflated cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
B3C71BC5B7D85C56AECAEC85522B6184.taxon	distribution	Distribution. Asia (Azerbeijan, Bangladesh, China, Democratic People’s Republic of Korea, Iraq, India, Islamic Republic of Iran, Japan, Kazakhstan, Kyrgystan, Mongolia, Nepal, Pakistan, Republic of Korea, Russian Federation); Europe (Albania, Andorra, Armenia, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Kosovo, Latvia, Lichtenstein, Lithuania, Luxembourg, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
E4DA39433500541DB0B04A43382C5EAB.taxon	description	Description. Plants small, light green, with metallic luster; stem 0.9 – 2.5 cm; leaves julaceous, very concave, ovate-elliptical, gently asymmetrical, 1.0 – 2.2 × 0.5 – 1.2 mm (Fig. 1 B); the apex obtuse, not denticulate; laminal cells linear, 50 – 140 × 10 – 21 μm at midleaf (Fig. 1 E), cell areolation quite loose; decurrencies broad, alar cells rounded.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
E4DA39433500541DB0B04A43382C5EAB.taxon	distribution	Distribution. Asia (China, Islamic Republic of Iran, Japan, Nepal, Russian Federation, Turkey); Europe (Austria, Bulgaria, Czech Republic, Finland, France, Germany, Hungary, Iceland, Ireland, Italy, Kosovo, Luxembourg, Montenegro, Netherlands, Poland, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
B3D65982207C52ACB9E037757FB17C40.taxon	description	Description. Plants medium-sized, light green to yellow green, glossy; stems 2.0 – 2.5 cm; two types of leaves: symmetrical and asymmetrical, the symmetrical ones: ovate-lanceolate, concave, with two rounded sides, rounded symmetric, asymmetrical ones: ovate-lanceolate, concave, with one rounded and one flattened side, both types of leaves identical in size, 2.0 – 2.5 × 0.8 – 1.3 mm (Fig. 2 A); the apex acuminate, denticulate; laminal cells 100 – 130 × 15 – 20 μm at midleaf (Fig. 2 C), cell areolation loose; decurrencies long, consisting of 3 – 5 rows of rounded and inflated cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
B3D65982207C52ACB9E037757FB17C40.taxon	distribution	Distribution. Europe (Czech Republic, Germany, Poland), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
433CF07B5A9754CE904D262B77E626C7.taxon	description	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); the apex acute to acuminate; margins denticulate near the apex; laminal cells 110 – 160 × 15 – 20 μm at midleaf (Fig. 2 D), cell areolation loose; decurrencies well developed, consisting of 4 – 5 rows of spherical, inflated cells; capsules unknown for now.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
433CF07B5A9754CE904D262B77E626C7.taxon	distribution	Distribution. Europe (Denmark), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
99BC712737025DD487969AF2CB323FBE.taxon	description	Description. Plants medium-sized, light green, glossy; leaves complanate, transversely undulate, ovate to ovate-lanceolate, asymmetric, with one rounded and one flattened side, shrunken when dry, 2.0 – 2.5 × 1.0 – 1.2 mm (Fig. 1 C); the apex acute to acuminate; margins denticulate near the apex or not; laminal cells 100 – 160 × 10 – 17 μm at the midleaf (Fig. 1 F), cell areolation quite loose; decurrencies very long, consisting of 2 – 3 rows of rounded to rounded-rectangular and inflated cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
99BC712737025DD487969AF2CB323FBE.taxon	distribution	Distribution. Asia (China, Japan, Russian Federation); Europe (Austria, Belarus, Bulgaria, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lichtenstein, Lithuania, Luxembourg, Montenegro, Netherlands, Poland, Romania, Slovakia, Spain, Sweden, Switzerland, Ukraine, United Kingdom); North America (Canada).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
C5A59F3110175E1BBB17F6C3F79B05F1.taxon	description	Description. Plants small-sized, yellowish-green to light green; stems 2 – 3 cm long; leaves julaceous, concave, imbricate, symmetrical, more or less folded, 1.5 – 1.8 × 0.7 – 0.8 mm (Fig. 6 G); the apex not denticulate; laminal cells 75 – 130 × 10 – 12 μm at midleaf (Fig. 6 H), cell areolation quite loose; decurrencies of 1 – 2 rows of rectangular to quadrate cells; capsule erect.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
C5A59F3110175E1BBB17F6C3F79B05F1.taxon	distribution	Distribution. Europe (Czech Republic); North America (U. S. A.), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
B5D5B065F8715985A7FDC89112AF0649.taxon	description	Description. Plants medium-sized, yellowish-green; stems 2 – 4 cm long; leaves julaceous, concave, imbricate, symmetrical, more or less folded, 1.3 – 2.0 × 0.5 – 1.2 mm (Fig. 6 C); the apex denticulate; laminal cells 100 – 150 × 10 – 12 μm at midleaf (Fig. 6 D), cell areolation quite loose; decurrencies of 1 – 2 rows of rectangular to quadrate cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
B5D5B065F8715985A7FDC89112AF0649.taxon	distribution	Distribution. Asia (Japan); Europe (Czech Republic, Italy), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
3EAC9F16CA165C169E306DFB30EC5C8F.taxon	description	Description. Plants small, bright-green to green; stems 0.7 – 1.5 cm long, densely foliate; leaves julaceous and imbricate, two types of leaves: symmetrical and asymmetrical, the symmetrical ones: folded, lanceolate, concave, sometimes strongly cracked at the base, asymmetrical ones: ovate, slightly concave or flat, both types of leaves identical in size, 1.2 – 2.3 × 0.7 – 1.0 mm (Fig. 10 B, C); the apex acuminate, not denticulate; cells linear-vermicular, 80 – 190 × 5 – 9 μm at midleaf (Fig. 10 E), cell areolation tight; decurrencies of 3 – 4 rows of rectangular, quadrate often inflated cells forming semi distinct auricles; capsules unknown so far.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
3EAC9F16CA165C169E306DFB30EC5C8F.taxon	distribution	Distribution. Europe (Great Britain, Netherlands, Poland); North America (Canada).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
38B700267061574A92E50F84FE45A008.taxon	description	Description. Plants medium-sized, yellowish to yellowish golden; stems 1.5 – 2.0 cm long; leaves complanate, asymmetrical, lanceolate, concave, not curved towards the ground, 2.0 – 2.4 × 0.7 – 1.0 mm (Fig. 11 B); margin incurved; the apex acuminate, denticulate by 2 – 3 teeth; cells linear-vermicular, 120 – 170 × 6 – 10 μm at midleaf (Fig. 11 E), cell areolation tight; decurrencies of 2 – 3 rows of rectangular, quadrate cells; capsule straight.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
38B700267061574A92E50F84FE45A008.taxon	distribution	Distribution. Europe (Belgium), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
0F6ADC9C60E556B48B33BCB271C5F113.taxon	description	Description. Plants small, light green, glossy; leaves forming 20 – 70 ° angle with stem, complanate, more or less concave, asymmetrical, ovate-lanceolate, with one side almost flat, 1.0 – 2.0 × 1.1 – 1.3 mm (Fig. 11 A); the apex acute, denticulate near the apex or not; laminal cells linear, 80 – 150 × 6 – 8 μm at midleaf (Fig. 11 D), cell areolation dense; decurrencies of 1 – 3 rows of rectangular cells; setae 1.3 – 1.8 cm, capsule straight.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
0F6ADC9C60E556B48B33BCB271C5F113.taxon	distribution	Distribution. Asia (Azerbaijan, China, Democratic People’s Republic of Korea, Georgia, Islamic Republic of Iran, Japan, Kazakhstan, Kyrgystan, Mongolia, Republic of Korea, Russian Federation, Taiwan, Turkey); Europe (Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Kosovo, Latvia, Lichtenstein, Lithuania, Luxemburg, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
1063186B246B5E0CAF164245E39BFFC2.taxon	description	Description. Plants small, slender, bright green to yellowish-green; leaves complanate, narrowly ovate-lanceolate, symmetrical, 0.7 – 1.2 × 0.3 – 0.5 mm (Fig. 12 B); the apex long acuminate; margins denticulate near the apex or not, gemmae often present on apex or leaf axils; laminal cells very narrow, 80 – 130 × 5 – 7 μm at midleaf (Fig. 12 D), cell areolation tight; decurrencies of 2 – 3 rows of rectangular cells; setae 0.8 – 1.2 cm, capsule erect.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
1063186B246B5E0CAF164245E39BFFC2.taxon	distribution	Distribution. Asia (China, Georgia, Japan, Kyrgystan, Pakistan, Russian Federation, Sri Lanka, Turkey); Europe (Austria, Belarus, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Sweden, Switzerland, Ukraine, United Kingdom); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
56C9DA3494D258098A0C9DFD16BE1C15.taxon	description	Description. Plants medium-sized to large, green to yellowish, without metallic luster; stems 2 – 3 cm long; leaves complanate, concave, strongly asymmetrical, ovate to lanceolate, 3.0 – 4.0 × 1.6 – 2.0 mm (Fig. 4 B); the apex acute to acuminate, not denticulate; laminal cells elongate-hexagonal, in irregular transverse rows, 94 – 150 × 17 – 34 μm at midleaf (Fig. 4 E), cell areolation very loose; decurrencies of 3 rows of rectangular cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
56C9DA3494D258098A0C9DFD16BE1C15.taxon	distribution	Distribution. Asia (China, Georgia, India, Islamic Republic of Iran, Japan, Nepal, Russian Federation, Turkey); Europe (Austria, Belgium, Denmark, Estonia, Finland, France, Germany, Norway, Poland, Spain, Sweden, Switzerland, United Kingdom); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
AF913030FBD7507789629F5E28AEFE26.taxon	description	Description. Plants large, light green to yellowish green; stems 2 – 4 cm long; leaves of two types: ventral and dorsal symmetrical and asymmetrical, lateral ones distinctly asymmetrical, ovate, concave, undulate, 1.5 – 2.8 × 0.9 – 1.8 mm (Fig. 13 A); apex acute; margins denticulate near the apex; laminal cells linear, 70 – 100 × 5 – 7 μm at midleaf (Fig. 13 C), cell areolation tight; decurrencies of 3 – 4 rows of rectangular to quadrate cells; setae 1.5 – 2.0 cm; capsules inclined or almost erect.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
AF913030FBD7507789629F5E28AEFE26.taxon	distribution	Distribution. Asia (Bhutan, China, Democratic People’s Republic of Korea, India, Indonesia, Japan, Malaysia, Nepal, Philippines, Republic of Korea, Russian Federation, Taiwan, Thailand); Europe (Austria, Czech Republic, Germany, Romania, Slovenia, Switzerland, Ukraine).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
702C9DAC71885A5A96AAEA6D398678F7.taxon	description	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); the apex acuminate, apiculate and denticulate; laminal cells hexagonal in transverse rows, 50 – 90 × 17 – 20 μm at mid-leaf (Fig. 4 D), cell areolation loose; decurrencies of 3 rows of rectangular cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
702C9DAC71885A5A96AAEA6D398678F7.taxon	distribution	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.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
17341FE00497558AA2DD71C374291EE0.taxon	description	Description. Plants small to medium sized, light green to yellowish green; leaves more or less complanate, ovate to lanceolate, concave, symmetrical, 0.8 – 1.5 × 0.4 – 0.8 (Fig. 12 A), abruptly narrowed to a long filform acumen; the apex denticulate; laminal cells linear, 40 – 110 × 5 – 7 μm at midleaf (Fig. 12 C), cell areolation tight; decurrencies of 2 – 3 rows of cells; setae 0.8 – 1.5 cm, capsule erect.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
17341FE00497558AA2DD71C374291EE0.taxon	distribution	Distribution. Asia (China, Democratic People’s Republic of Korea, Japan, Republic of Korea, Russia Federation, Turkey); Europe (Andorra, Denmark, Finland, France, Ireland, Italy, Latvia, Norway, Portugal, Romania, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
9CBD38AEBF455DF2B513D26BD56E780C.taxon	description	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.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
9CBD38AEBF455DF2B513D26BD56E780C.taxon	distribution	Distribution. Asia (Russian Federation); Europe (Poland), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
2D25447E3DC35D9E986E93CAA0531192.taxon	description	Description. plants medium-sized, yellowish-green to green, stems 2 – 4 cm long; leaves julaceous, concave, imbricate, symmetrical, more or less folded, 1.3 – 2.6 × 0.6 – 1.2 mm (Fig. 6 E); the apex acuminate, not denticulate; laminal cells 60 – 100 × 10 – 16 μm at midleaf (Fig. 6 F), cell areolation quite loose; decurrencies of 2 – 3 rows of rectangular cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
2D25447E3DC35D9E986E93CAA0531192.taxon	distribution	Distribution. Asia (Japan); Europe (Germany), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
5BE9CAC802BF5AFABD65F219D5F8CF45.taxon	description	Description. Plants medium-sized to large, dark golden to golden brown; stems to 3 – 5 cm long; leaves spreading, not overlapping, in dry condition not shrunken, complanate, symmetrical or almost symmetrical, lanceolate, 1.9 – 3.5 × 0.6 – 1.0 mm (Fig. 5 C); apex acuminate, filiform, and not denticulate; laminal cells 150 – 260 × 16 – 22 μm at mid-leaf (Fig. 5 F), cell areolation loose; decurrencies of 2 – 3 rows of rectangular cells; capsule unknown so far.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
5BE9CAC802BF5AFABD65F219D5F8CF45.taxon	distribution	Distribution. Europe (France, Germany), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
20892B993E0E5D709A2E53D43486C667.taxon	description	Description. Plants medium-sized, dark golden to brown, very glossy; stems to 2.0 – 2.5 cm long; leaves spreading, in dry condition shrunken, complanate, symmetrical, ovate-lanceolate, 3.0 – 3.60 × 1.40 – 1.60 mm (Fig. 5 B); apex acuminate, not denticulate; laminal cells linear-rhomboidal, linear-hexagonal, 180 – 260 × 17.0 – 20.0 μm at mid-leaf, (Fig. 5 E), cell areolation loose; decurrencies of 2 – 3 rows of rectangular cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
20892B993E0E5D709A2E53D43486C667.taxon	distribution	Distribution. Europe (Austria, Czech Republic, Denmark, Germany, Latvia); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
C134DF7C252C5710AA238E67A8A3979E.taxon	description	Description. Plants medium-sized to large, usually yellowish gold, golden green, golden, very glossy; stems to 3 cm long; leaves spreading, in dry condition not shrunken, complanate, symmetrical, ovate, 2.50 – 3.00 × 0.80 – 1.40 mm (Fig. 5 A); apex acuminate and not denticulate; laminal cells 130 – 240 × 10 – 18 μm at mid-leaf (Fig. 5 D), cell areolation quite loose; decurrencies of 2 – 3 rows of rectangular cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
C134DF7C252C5710AA238E67A8A3979E.taxon	distribution	Distribution. Asia (China, Democratic People’s Republic of Korea, Georgia, Islamic Republic of Iran, Republic of Korea, Russian Federation, Turkey); Europe (Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Kosovo, Latvia, Lithuania, Luxembourg, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom); North America (Canada and U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
FC978C6E891B5D5795581439A5FC9901.taxon	description	Description. Plants medium-sized, dark green, dull, without metallic luster; stems 2 – 4 cm long, more or less julaceous; leaves concave, two types of leaves: symmetrical and asymmetrical, ovate, 2.4 – 2.8 × 1.2 – 1.5 mm (Fig. 8 B); the apex acuminate, often gently curved; margins not denticulate near the apex; laminal cells narrowly elongate-hexagonal, asymmetric, 80 – 120 × 7 – 10 μm at midleaf (Fig. 8 D), cell areolation tight; decurrencies of 3 rows of rectangular to quadrate cells.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
FC978C6E891B5D5795581439A5FC9901.taxon	distribution	Distribution. Asia (Russian Federation); Europe (Norway, Sweden).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
84EF5811420158CF98218E51A5DD990D.taxon	description	Description. Plants large, dark green, dull, without metallic luster; leaves asymmetrical, complanate, ovate, not imbricate and not julaceous, 3.4 – 3.6 × 1.4 – 2.0 mm (Fig. 3 B), often with rhizoids on the dorsal side of the leaf (Fig. 3 E); the apex acute and denticulate, often eroded (Fig. 3 C); laminal cells 90 – 150 × 8 – 16 μm at midleaf, cell areolation loose; decurrencies long, consisting of 3 – 5 rows of rounded and inflated cells; capsule unknown so far.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
84EF5811420158CF98218E51A5DD990D.taxon	distribution	Distribution. Europe (Bulgaria, Czech Republic, Italy, Switzerland), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
EEEE552C00225A98944EA1D92C649926.taxon	description	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.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
EEEE552C00225A98944EA1D92C649926.taxon	distribution	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.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
17145DF31D2950C897DA32E6FE67E814.taxon	description	Description. Plants small, yellowish-green to light green; stems 0.5 – 1.5 cm; leaves not julaceous; flat, not imbricate, asymmetrical, ovato-lanceolate, 1.2 – 1.8 × 0.6 – 0.8 mm (Fig. 7 A, B); the apex acuminate, long (Fig. 7 C), not denticulate; laminal cells 70 – 100 × 10 – 12 μm at midleaf (Fig. 7 D), cell areolation quite loose; decurrencies of 2 – 3 rows of rectangular cells; capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
17145DF31D2950C897DA32E6FE67E814.taxon	distribution	Distribution. Europe (Austria, Czech Republic, Germany, Poland, Serbia, Slovakia, Sweden), but the range of this taxon still requires research.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
B230E9C9D78553C0B69153D3B2A52BD2.taxon	description	Description. Plants large, whitish-green; stems 3 – 9 cm long, more or less complanate-foliate; leaves transversely undulate, symmetrical to slightly asymmetrical, imbricate, ovate, 2.5 – 4.5 × 1.3 – 2.5 mm (Fig. 13 B); the apex acute to obtuse, denticulate or not; laminal cells papillose, 90 – 175 × 7 – 10 μm at midleaf (Fig. 13 D), cell areolation tight; decurrencies of 1 – 3 rows of rectangular to quadrate cells; setae 2.5 – 4.5 cm, capsule inclined.	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
B230E9C9D78553C0B69153D3B2A52BD2.taxon	distribution	Distribution. Asia (Azerbaijan, China, Islamic Republic of Iran, Russian Federation, Turkey); Europe (Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Hungary, Ireland, Italy, Latvia, Lichtenstein, Lithuania, Luxembourg, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom); North America (Canada, U. S. A.).	en	Wolski, Grzegorz J. (2025): The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa. PhytoKeys 253: 67-102, DOI: 10.3897/phytokeys.253.142268
