text: hordeum murinum, medicago polymorpha, avena barbata, bromus diandrus, carduus pycnocephalus, catapodium rigidum, euphorbia helioscopia, euphorbia peplus, medicago rigidula, rostraria cristata, trifolium scabrum, barbarea verna, bromus madritensis, centranthus ruber, crepis sancta, dactylis glomerata, geranium molle, medicago minima, sabulina tenuifolia, trifolium stellatum, urospermum picroides