crassula tillaea, cerastium glomeratum, poa infirma, sagina apetala, trifolium suffocatum, arabidopsis thaliana, crepis sancta, erodium moschatum, geranium molle, hypochaeris glabra, medicago polymorpha, medicago truncatula, ornithopus compressus, plantago afra, plantago coronopus, senecio vulgaris, veronica arvensis