Vegetation of the Czech Republic
Association XBC03
Erophilo vernae-Arabidopsietum thalianae Kropáč in Krippelová 1981
Photo on botanickafotogalerie.cz
Erophilo-Arabidopsietum is a weed or ruderal community of vernal ephemeral therophytes developing in disturbed places on slightly acidic soils. It occurs in winter-cereal fields, on recent fallows, near roads or railways or on disturbed sites in grasslands. In late May it is replaced by other associations of the alliances Scleranthion annui or Oxalidion fontanae on arable land or by vegetation of taller annual therophytes in ruderal habitats. In the Czech Republic it is widespread at middle altitudes.
Orig. (Krippelová 1981): Assoz. Erophilo-Arabidopsietum thalianae Kropáč asoc. nova (Erophila verna)
Syn.: Erophilo-Arabidopsietum Kropáč 1981 (§ 2b, nomen nudum)
Diagnostic species: Anthemis arvensis. Aphanes arvensis, Arabidopsis thaliana, Capsella bursa-pastoris. Centaurea cyanus, Erophila verna, Myosotis arvensis. M. discolor. M. stricta. Papaver argemone. Scleranthus annuus. Stellaria media agg. (predominantly S. media s. str.), Thlaspi arvense. Veronica arvensis. V. hederifolia agg., Viola arvensis
Constant species: Anthemis arvensis, Arabidopsis thaliana, Capsella bursa-pastoris, Cirsium arvense. Elytrigia repens. Erophila verna. Fallopia convolvulus. Galium aparine. Lamium purpureum. Myosotis arvensis. M. stricta. Poa annua. Polygonum aviculare agg. (predominantly P. aviculare s. str.), Scleranthus annuus. Stellaria media agg. (predominantly S. media s. str.), Taraxacum sect. Ruderalia. Thlaspi arvense. Tripleurospermum inodorum. Veronica arvensis. V. hederifolia agg., V. persica. Vicia tetrasperma, Viola arvensis
Dominant species: Tripleurospermum inodorum. Veronica hederifolia agg.
Formal definition: skup. Arabidopsis thaliana AND Group Stellaria media NOT Group Veronica triphyllos
Source: Otýpková Z. (2009): XBC03 Erophilo vernae-Arabidopsietum thalianae Kropáč in Krippelová 1981. 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. 116-119.