elymus repens, apera spica-venti, cerastium holosteoides, rumex acetosella, erigeron canadensis, holcus lanatus, tripleurospermum inodorum, arenaria serpyllifolia, bromus hordeaceus, centaurea cyanus, cirsium vulgare, equisetum arvense, erigeron acris, myosotis arvensis, sambucus nigra, secale cereale, solidago virgaurea