lythrum virgatum, cuscuta campestris, eryngium planum, euphorbia tommasiniana, xanthium strumarium, achillea nobilis, artemisia austriaca, carex melanostachya, chaiturus marrubiastrum, convolvulus arvensis, elymus repens, erigeron canadensis, gratiola officinalis, inula britannica, persicaria minor, polygonum aviculare, psammophiliella muralis, pulicaria vulgaris, rubia tatarica, setaria pumila