streblotrichum convolutum, poa annua, sagina procumbens, bryum argenteum, diplotaxis tenuifolia, poa pratensis, bromus hordeaceus, elymus repens, erigeron canadensis, erodium cicutarium, festuca rubra, sedum acre, trifolium repens, achillea millefolium, atriplex patula, jacobaea vulgaris, plantago major