dysphania botrys, apera spica-venti, arenaria serpyllifolia, artemisia scoparia, bromus squarrosus, bromus tectorum, chaenorhinum minus, eragrostis minor, erigeron canadensis, herniaria glabra, lappula squarrosa, lolium perenne, medicago lupulina, plantago lanceolata, polygonum aviculare, pulicaria vulgaris, senecio vernalis, solanum nigrum, xanthium spinosum