cerastium semidecandrum, ceratodon purpureus, convolvulus arvensis, medicago lupulina, agrostis capillaris, arenaria serpyllifolia, bromus hordeaceus, poa compressa, cerastium holosteoides, elymus repens, herniaria glabra, rumex acetosella, senecio vernalis, achillea millefolium, artemisia vulgaris, cirsium arvense, tanacetum vulgare, fraxinus excelsior, geranium molle