bio.wikisort.org - Plant

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

Conostomum tetragonum
In Austria
Scientific 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

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