anchusa officinalis, convolvulus arvensis, onopordum acanthium, apera spica-venti, artemisia absinthium, artemisia vulgaris, berteroa incana, bromus tectorum, cirsium arvense, elymus repens, erigeron canadensis, gemmabryum caespiticium, polygonum aviculare, sisymbrium loeselii, tanacetum vulgare, tripleurospermum inodorum, ballota nigra, bryum argenteum, carduus acanthoides, ceratodon purpureus, chenopodium album, lolium perenne, oenothera biennis, papaver rhoeas, rubus caesius, saponaria officinalis, silene latifolia, solidago gigantea, roemeria argemone