plantago major, poa annua, juncus bufonius, senecio viscosus, spergularia rubra, agrostis capillaris, apera spica-venti, bromus hordeaceus, cerastium holosteoides, cerastium semidecandrum, epilobium ciliatum, erigeron canadensis, matricaria discoidea, sagina procumbens, arabidopsis thaliana, vicia hirsuta, vicia sativa