achillea collina, bromus tectorum, carduus acanthoides, elymus repens, polygonum aviculare, ambrosia artemisiifolia, atriplex tatarica, ballota nigra, bromus inermis, centaurea diffusa, diplotaxis muralis, galium aparine, grindelia squarrosa, lactuca serriola, poa angustifolia, chondrilla juncea, portulaca oleracea