argentina anserina, poa annua, polygonum aviculare, elymus repens, plantago major, poa pratensis, scorzoneroides autumnalis, trifolium repens, achillea millefolium, bromus hordeaceus, capsella bursa-pastoris, cerastium arvense, cerastium holosteoides, erigeron canadensis, inula britannica, lepidium ruderale, psammophiliella muralis, sagina procumbens