Vegetation Science Group

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

Vegetation of the Czech Republic

Association XDD01
Alliario petiolatae-Chaerophylletum temuli Lohmeyer 1955

Alliario petiolatae-Chaerophylletum temuli

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This is a thermophilous association dominated by annual and biennial nutrient-demanding herbs. It occurs on forest fringes, in unmanaged gardens, parks, cemeteries, canopy openings of urban forests or forests with high game densities, on disturbed stream banks and on the rubble of demolished buildings. Alliario-Chaerophylletum is the most common association of the alliance Geo-Alliarion in the Czech Republic, occurring from the lowlands to submontane areas.

Nomen mutatum propositum

Orig. (Lohmeyer 1955): Alliaria officinalis-Chaerophyllum temulum-Ass. (Kreh 1935) Lohmeyer 1949 (Alliaria officinalis = A. petiolata)

Syn.: Alliarietum petiolatae Kreh 1935 (§ 2b, nomen nudum), Alliario petiolatae-Chaerophylletum temuli Lohmeyer 1949 (§ 1)

Diagnostic species: Alliaria petiolata, Chaerophyllum temulum, Chelidonium majus. Geum urbanum. Viola odorata

Constant species: Alliaria petiolata, Chaerophyllum temulum. Chelidonium majus. Galium aparine. Geranium robertianum. Geum urbanum. Impatiens parviflora. Taraxacum sect. Ruderalia. Urtica dioica

Dominant species: Alliaria petiolata, Chaerophyllum temulum, Chelidonium majus. Galium aparine, Geranium robertianum, Impatiens parviflora, Urtica dioica; Brachythecium rutabulum. Hypnum cupressiforme s. l. (predominantly H. cupressiforme s. str.)

Formal definition: (Alliaria petiolata cover > 5 % OR Chaerophyllum temulum cover > 5 %) NOT Petasites hybridus cover > 25 %

Source: Láníková D. (2009): XDD01 Alliario petiolatae-Chaerophylletum temuli Lohmeyer 1955. 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. 336-339.