Conostomum tetragonum

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Conostomum tetragonum
Conostomum tetragonum (b, 123801-470725) 0751.JPG
In Austria
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Division: Bryophyta
Class: Bryopsida
Subclass: Bryidae
Order: Bartramiales
Family: Bartramiaceae
Genus: Conostomum
Species:
C. tetragonum
Binomial name
Conostomum tetragonum
(Hedw.) Lindb.

Conostomum tetragonum, or helmet-moss, is a species of bryophyte found in Europe. [1]

Shoots grow to a maximum height of 2 cm. Leaves are shaped like narrow spearheads and sharply pointed. Capsules are nearly spherical and 2mm long. [2]

It thrives in acidic, rocky mountain soils, especially where there is snow cover for a large part of the year, and on summit ridges. [2] It grows in continental Europe and in Scotland. [3] This species became extinct in England in the 1950s. [4]

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References

  1. "Oldstyle id: 1709125580998f7d07a911b73352a2aa". Catalogue of Life . Species 2000: Leiden, the Netherlands.
  2. 1 2 "Royal Botanic Garden Edinburgh - Conostomum tetragonum" (PDF).
  3. "British Bryological Society". www.britishbryologicalsociety.org.uk. Archived from the original on 2019-05-31. Retrieved 2019-07-25.
  4. "The Species Recovery Trust - Lost Life". www.speciesrecoverytrust.org.uk. Archived from the original on 2019-04-28. Retrieved 2019-07-25.