text: centaurea stoebe, apera spica-venti, ceratodon purpureus, convolvulus arvensis, cota tinctoria, echium vulgare, elymus repens, fallopia convolvulus, gemmabryum caespiticium, helichrysum arenarium, arenaria serpyllifolia, bromus tectorum, erigeron canadensis, festuca rubra, silene conica, alyssum alyssoides, berteroa incana, centaurea cyanus, erodium cicutarium, galium album, medicago lupulina, polygonum aviculare, setaria viridis, tortula acaulon, viola arvensis, senecio vernalis, tragopogon dubius, vicia villosa