artemisia vulgaris, ceratodon purpureus, poa compressa, solidago canadensis, agrostis capillaris, convolvulus arvensis, oenothera rubricaulis, trifolium repens, achillea millefolium, anthriscus sylvestris, arctium lappa, arctium minus, bryum argenteum, carduus acanthoides, centaurea jacea, cichorium intybus, cirsium arvense, cirsium vulgare, dactylis glomerata, erigeron canadensis, festuca rubra, holcus lanatus, linaria vulgaris, medicago lupulina, potentilla argentea, senecio viscosus, silene latifolia, sisymbrium loeselii, tanacetum vulgare, trifolium pratense, tripleurospermum inodorum