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

Conostomum tetragonum
In Austria
Scientific classification Edit this classification
Kingdom: Plantae
Division: Bryophyta
Class: Bryopsida
Subclass: Bryidae
Order: Bartramiales
Family: Bartramiaceae
Genus: Conostomum
Species:
C. tetragonum
Binomial name
Conostomum tetragonum
(Hedw.) Lindb.

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]

References

edit
  1. ^ "Oldstyle id: 1709125580998f7d07a911b73352a2aa". Catalogue of Life. Species 2000: Leiden, the Netherlands.
  2. ^ a b "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.