Plagiothecium laetum var. hercinicum (Jur. ex Grav.) G. J. Wolski, 2025

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.14968396

persistent identifier

https://treatment.plazi.org/id/38B70026-7061-574A-92E5-0F84FE45A008

treatment provided by

PhytoKeys by Pensoft

scientific name

Plagiothecium laetum var. hercinicum (Jur. ex Grav.) G. J. Wolski
status

comb. nov.

Plagiothecium laetum var. hercinicum (Jur. ex Grav.) G. J. Wolski comb. nov.

Plagiothecium denticulatum var. hercynicum Jur. ex Grav. View in CoL , Bulletin de la Société Botanique de Belgique 13: 430. 1874. Type: Belgium, Loutte-Saint-Pierre, sur les rochers ombragés et au pied des arbres dans les bois humides. Lectotype (designated here): Belgium, Loutte-Saint-Pierre, rochers ombragés, Oct. 1872, F. Gravet, C-M- 9387!

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 View Figure 11 ); margin incurved; the apex acuminate, denticulate by 2–3 teeth; cells linear-vermicular, 120–170 × 6–10 μm at midleaf (Fig. 11 E View Figure 11 ), cell areolation tight; decurrencies of 2–3 rows of rectangular, quadrate cells; capsule straight.

Distribution.

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

Kingdom

Plantae

Phylum

Bryophyta

Class

Bryopsida

Order

Hypnales

Family

Plagiotheciaceae

Genus

Plagiothecium

Section

Leptophyllum

Loc

Plagiothecium laetum var. hercinicum (Jur. ex Grav.) G. J. Wolski

Wolski, Grzegorz J. 2025
2025
Loc

Plagiothecium denticulatum var. hercynicum Jur. ex

Grav. 1874: 430
1874