argentina anserina, alopecurus geniculatus, deschampsia cespitosa, glechoma hederacea, ranunculus repens, poa pratensis, elymus repens, holcus lanatus, stellaria media, capsella bursa-pastoris, cerastium holosteoides, lamium purpureum, linaria vulgaris, phleum pratense, silene flos-cuculi