Plagiothecium svalbardense Frisvoll

Wolski, Grzegorz J., 2025, The genus Plagiothecium (Plagiotheciaceae) in Europe — current state of knowledge, checklist and key to taxa, PhytoKeys 253, pp. 67-102 : 67-102

publication ID	https://doi.org/10.3897/phytokeys.253.142268
DOI	https://doi.org/10.5281/zenodo.14968386
persistent identifier	https://treatment.plazi.org/id/FC978C6E-891B-5D57-9558-1439A5FC9901
treatment provided by	PhytoKeys by Pensoft
scientific name	Plagiothecium svalbardense Frisvoll
status

Treatment

Plagiothecium svalbardense Frisvoll View in CoL , Norsk Polarinstitutt Skrifter, Part 2. Bryophytes 198: 103. 1996.

Type material.

Holotype: Norway, Svalbard, Krossfjorden, Kollerfjorden, below a bird cliff in Christian Michelsenfjella W , 50 m, 22 July 1974, A. A. Frisvoll, TRH B-19481 ! Isotypes: O, S, TRH .

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 View Figure 8 ); 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 View Figure 8 ), cell areolation tight; decurrencies of 3 rows of rectangular to quadrate cells.

Distribution.

Asia ( Russian Federation); Europe ( Norway, Sweden).