poa pratensis, bromus hordeaceus, arenaria serpyllifolia, medicago lupulina, pimpinella saxifraga, cerastium holosteoides, dactylis glomerata, lolium perenne, silene conica, anthriscus sylvestris, bromus tectorum, capsella bursa-pastoris, convolvulus arvensis, knautia arvensis, vicia lathyroides, agrostis capillaris, geranium molle, leucanthemum ircutianum, senecio vernalis, echium vulgare, erigeron canadensis