berteroa incana, agrostis capillaris, elymus repens, achillea millefolium, convolvulus arvensis, erigeron canadensis, melilotus officinalis, poa pratensis, anthemis arvensis, arenaria serpyllifolia, artemisia vulgaris, ballota nigra, bromus hordeaceus, bromus tectorum, centaurea cyanus, cerastium arvense, chenopodium album, dactylis glomerata, erodium cicutarium, holcus lanatus, lolium perenne, medicago lupulina, oenothera biennis, plantago lanceolata, potentilla argentea, sisymbrium loeselii, sisymbrium officinale, trifolium arvense, tripleurospermum maritimum