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Flora

DIKRANUM GREEN

Type: MOHOOBRAZNYE (BRYOPHYTA)
Department: MOHOOBRAZNYE (BRYOPHYTA)
Class: MOSSES (BRYOPSIDA (MUSCI))
Order: DIKRANOVYE (DICRANALES)
Family: DIKRANOVYE (DICRANACEAE)

Look: DICRANUM VIRIDE (SULL. ET LESQ. IN SULL.) LINDB.
         DYKRANUM ZYALYONY

Category of protection: 3



International importance:
It is for the first time brought in the Red List of Belarus. It is included in the Red List of Europe, the Appendix I to the Bern convention and in the Appendix II to the Directive of the European Union on habitats. It is protected in Lithuania.

Description:
Dernovinki small, dense, rigid, subauriculate, green or dark green, 1-4 cm high. Dry leaves very fragile, with the lantsetny basis, long and channeled and awl-shaped, smooth-edged. The vein is wide, borrows 1/3 - 1/4 bases of a leaf, long awl-shaped act from its tip. Cages at the top of a leaf small, square, 2-layer, smooth or on the back party mamillozno protruding, ushkovy cages brownish, reach a vein.

Rasprostraniyeniye:
Boreal look widespread in Europe, Asia and North America. In Belarus it is known in Lepelsky and Miorsky districts of the Vitebsk Region, in Svislochsky and Smorgonsky districts of the Grodno Region, in Buda-Koshelevsky, Dobrushsky, Zhitkovichsky, Lelchitsky, Mazyr and Recyca districts of the Gomel Region, in the Kamenetsky district of the Brest Region and in Osipovichsky district Mogilev regional.

Habitats:
Grows in the shady broad-leaved and mixed woods with the increased humidity on trunks of deciduous trees and on the stones covered with a humus.

Biology:
Sterile plant. Vegetative reproduction is carried out by fragile tops of leaves.

Number and tendency of its change:
Enough small meets not numerous groups a dernovinok. Number is reduced on all area.

Major factors of threat:
The cabin of the broad-leaved woods, their thinning, including cleaning of old trees.

Protection measures:
It is presented in especially protected natural territories – in the Berezinsky biospheric reserve, in National parks "Pripyat" and "Bialowieza Forest", in the wildlife area "Yelnya". Are necessary protection of sites of the old-age broad-leaved woods in places of growth of this view with a ban of all views of cabins of the wood, control of a condition of the ecological modes (first of all for humidity).

Originators: Maslovsky O. M., Rykovsky G. F.