galinsoga quadriradiata, persicaria hydropiper, impatiens parviflora, plantago major, agrostis capillaris, poa annua, stellaria media, betula pendula, bidens frondosa, cardamine flexuosa, cerastium holosteoides, galeopsis tetrahit, geranium robertianum, kindbergia praelonga, oxalis stricta, persicaria maculosa, polygonum aviculare, pseudotsuga menziesii, ranunculus repens, trifolium repens, artemisia vulgaris, chenopodium album, dactylis glomerata, juncus tenuis, matricaria chamomilla, persicaria lapathifolia, senecio vulgaris, sonchus asper