spergularia echinosperma, plantago uliginosa, polygonum aviculare, persicaria lapathifolia, psammophiliella muralis, brachythecium albicans, bryum argenteum, digitaria ischaemum, gnaphalium uliginosum, poa annua, tripleurospermum inodorum, alopecurus geniculatus, medicago lupulina, pulicaria vulgaris, rorippa palustris, trifolium hybridum