text: berteroa incana, bromus hordeaceus, apera spica-venti, arrhenatherum elatius, artemisia campestris, artemisia vulgaris, centaurea stoebe, dactylis glomerata, erigeron canadensis, lolium perenne, oenothera biennis, agrostis capillaris, ballota nigra, coronilla varia, poa annua, sisymbrium loeselii, capsella bursa-pastoris, oreoselinum nigrum, setaria pumila