sisymbrium loeselii, erigeron canadensis, lepidium ruderale, achillea millefolium, arenaria serpyllifolia, bromus hordeaceus, bryum argenteum, ceratodon purpureus, chaenorhinum minus, equisetum arvense, erysimum cheiranthoides, euphorbia cyparissias, lolium giganteum, pilosella officinarum, plantago lanceolata, polygonum aviculare, scorzoneroides autumnalis, setaria viridis, trifolium repens