Vegetation Science Group

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

Vegetation of the Czech Republic

Association XAA04
Eragrostio minoris-Polygonetum arenastri Oberdorfer 1954 corr. Mucina in Mucina et al. 1993

Eragrostio minoris-Polygonetum arenastri

Photo on botanickafotogalerie.cz

This thermophilous community occurs on dry and sun-exposed sites, such as sandy or gravelly soils in railway stations and along city sidewalks. Its phenological optimum is in late summer. It occurs mostly in towns in warm and dry areas of the Czech Republic.

Orig. (Oberdorfer 1954): Eragrostis minor-Polygonum aviculare-Assoziation, ass. nov.

Syn.: Polygono arenastri-Chenopodietum pumilionis Jehlík 1997 prov.

Diagnostic species: Conyza canadensis. Digitaria sanguinalis, Eragrostis minor, Lepidium ruderale. Plantago major. Polygonum aviculare agg. (predominantly P. arenastrum), Setaria viridis; Bryum argenteum

Constant species: Conyza canadensis, Eragrostis minor, Plantago major. Poa annua, Polygonum aviculare agg. (predominantly P. arenastrum), Taraxacum sect. Ruderalia4

Dominant species: Eragrostis minor, Polygonum aviculare agg. (predominantly P. arenastrum); Bryum argenteum

Formal definition: Eragrostis minor cover > 5 % AND (Group Lolium perenne OR Polygonum aviculare agg. cover > 5 %)

Source: Láníková D. & Lososová Z. (2009): XAA04 Eragrostio minoris-Polygonetum arenastri Oberdorfer 1954 corr. Mucina in Mucina et al. 1993. 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. 54-56.