Vegetation Science Group

Department of Botany and Zoology | Faculty of Science | Masaryk University

Vegetation of the Czech Republic

Association XAB01
Sagino procumbentis-Bryetum argentei Diemont et al. 1940

Sagino procumbentis-Bryetum argentei

Photo on botanickafotogalerie.cz

These open stands dominated by Sagina procumbens and the moss Bryum argenteum occur in mesic and often shaded habitats of paving fissures, mostly in city centres. However, it may also occur on heavily trampled loamy soils in villages. Usually it has a well developed moss layer. It is most frequent in colline and submontane areas.

Orig. (Diemont et al. 1940): Sagineto-Bryetum argentei .Sagina procumbens f. nodosa)

Diagnostic species: Poa annua, Sagina procumbens; Bryum argenteum, Ceratodon purpureus

Constant species: Matricaria discoidea. Plantago major. Poa annua. Polygonum aviculare agg. (predominantly P. arenastrum), Sagina procumbens, Taraxacum sect. Ruderalia; Bryum argenteum, Ceratodon purpureus

Dominant species: Polygonum aviculare agg. (predominantly P. arenastrum), Sagina procumbens; Brachythecium albicans, Bryum argenteum, Ceratodon purpureus

Formal definition: Sagina procumbens cover > 25 % OR (Bryum argenteum cover > 5 % AND Sagina procumbens cover > 5 % )

Source: Láníková D. (2009): XAB01 Sagino procumbentis-Bryetum argentei Diemont et al. 1940. In: Chytrý M. (ed.), Vegetace České republiky. 2. Ruderální, plevelová, skalní a su»ová vegetace [Vegetation of the Czech Republic 2. Ruderal, weed, rock and scree vegetation]. Academia, Praha, pp. 60-63.