V3-4 - Pelouses xériques piétinées à espèces annuelles

Trampled xeric grasslands with annuals

Classification des habitats EUNIS 2022

Descriptif de l'habitat

Low annual grassland on dry and warm trampled localities, for example, the communities of the alliance Polygono-Coronopodion with Cynodon dactylon, Eragrostis minor, Herniaria glabra, Herniaria hirsuta, Juncus tenuis, Lepidium coronopus, Lepidium ruderale, Lolium perenne, Matricaria discoidea, Plantago lanceolata, Plantago major, Poa annua agg. and Polygonum arenastrum.

Espèces diagnostiques

Digitaria sanguinalis, Eragrostis minor, Portulaca oleracea, Sclerochloa dura, Setaria verticillata, Polygonum aviculare aggr., Cynodon dactylon, Euphorbia maculata, Heliotropium europaeum, Euphorbia chamaesyce, Eleusine indica

Espèces constantes

Polygonum aviculare aggr., Cynodon dactylon, Digitaria sanguinalis, Chenopodium album aggr., Portulaca oleracea, Ochlopoa annua, Eragrostis minor, Convolvulus arvensis, Plantago coronopus aggr., Erigeron canadensis, Lolium perenne, Capsella bursa-pastoris, Amaranthus retroflexus, Taraxacum sect. Taraxacum, Setaria viridis, Plantago major, Setaria pumila, Sclerochloa dura, Plantago lanceolata, Echinochloa crus-galli

Espèces dominantes

Cynodon dactylon, Polygonum aviculare aggr., Sclerochloa dura, Digitaria sanguinalis

Bibliographie

 European Topic Centre on Biological Diversity, 2021. EUNIS terrestrial habitat classification 2021 including crosswalks. ETC/BD-EEA. Table Excel transmise par S. Hennekens (Alterra) le 14/02/2022. (Source)