NATIONAL ACADEMY OF SCIENCES OF UKRAINE
State Museum of Natural History
Biodiversity Data Centre

Atrichum tenellum (Röhl.) Bruch & Schimp.

Synonym
  • Catharinea tenella Röhl.
Vernacular Name
Slender Smoothcap
Images
Conservation status
No status defined
Value of species
Remarks
Detail
Plants small, gracile, and rather delicate in appearance, green to brownish green. Stems to 2 cm. Leaves 2.5-6 × 0.7-1.5 mm, lanceolate to ovate-lanceolate, plane or rarely weakly undulate, teeth few and scattered on abaxial surface of lamina or absent, the apex acute, proximal leaves somewhat obtuse; border narrow, with small, rather distant marginal teeth; costa subpercurrent to percurrent, with several abaxial teeth near apex; lamellae 2-5, 4-7 cells high; median leaf cells 19-24 µm wide, laxly subquadrate to irregularly hexagonal, evenly thin-walled, not or weakly collenchymatous, becoming somewhat larger adjacent to the costa, smooth. Sexual condition dioicous; male plants about same size as female, perigonial bracts broad, forming a cup-like inflorescence, sometimes more than one per plant. Seta 1(-2) per perichaetium, to 2 cm. Capsule 1-2 × 0.5-0.8 mm, erect to inclined, straight to somewhat curved; operculum 1.5-2 mm. Spores 15-30 µm.
Book reference
  • Nyporko S.O., Barsukov O.O., Kapets N.V. Floristic records of mosses, lichens and lichenicolous fungi from Hutsulschyna National Nature Park // Ukrainian Botanical Journal. - 2018. - Vol.75, iss.2. - P.179-186.
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Taxonomic branch

Biota
Eukaryota
Plantae
Viridiplantae
Bryophyta
Polytrichopsida_unranked_taxon
Polytrichopsida
Polytrichales
Polytrichaceae
PARTNERS