Atrichum tenellum

Atrichum tenellum, also known as the slender smoothcap,[1] is a species of moss belonging to the family Polytrichaceae.[2] It is red listed in Iceland as a critically endangered (CR) species. In Iceland, it is only found in two geothermal areas.[3]

Atrichum tenellum
Scientific classification Edit this classification
Kingdom: Plantae
Division: Bryophyta
Class: Polytrichopsida
Order: Polytrichales
Family: Polytrichaceae
Genus: Atrichum
Species:
A. tenellum
Binomial name
Atrichum tenellum
(Rohl.) Br.Eur.

Description

A. tenellum will form dull brown or green clumps. The species possesses 2cm tall shoots that are erect and unbranched. Leaves are 4.5-5.5mm long and scarcely undulate. The leaves are also narrowly egg-shaped and distinctively narrowed towards the base. They also possess paired marginal teeth down to the mid-leaf.[1]

Habitat

A. tenellum is an uncommon species, which can be found in a range of disturbed, acidic and open habitats. A tenellum grows on moist soils such a loam or sandy humus. This species can be found growing in woodland habitats where it inhabits rides, but also in ditches and even open heathlands and grasslands. Populations can also be found on the banks of streams, lakes and reservoirs where the soil is moist.[1]

References
  1. "Atrichum tenellum Slender Smoothcap" (PDF). The British Bryological Society. 2022-05-07. Retrieved 2022-05-07.
  2. "Atrichum tenellum (Rohl.) Br.Eur". www.gbif.org. Retrieved 5 May 2022.
  3. Náttúrufræðistofnun Íslands [Icelandic Institute of Natural History] (1996). Válisti 1: Plöntur. (in Icelandic) Reykjavík: Náttúrufræðistofnun Íslands.


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