sisymbrium loeselii, achillea millefolium, ceratodon purpureus, lepidium ruderale, agrostis capillaris, artemisia vulgaris, atriplex patula, bryum argenteum, carex hirta, descurainia sophia, elymus repens, equisetum arvense, erigeron canadensis, euphorbia cyparissias, gemmabryum caespiticium, lepidium campestre, lolium perenne, matricaria chamomilla, oenothera biennis, poa annua, poa compressa, polygonum aviculare, raphanus raphanistrum, scorzoneroides autumnalis, tripleurospermum inodorum