sambucus ebulus, cynodon dactylon, achillea millefolium, centaurea jacea, glechoma hederacea, inula britannica, mentha longifolia, plantago lanceolata, polygonum aviculare, potentilla reptans, trifolium repens, verbena officinalis, bidens tripartita, carduus acanthoides, convolvulus arvensis, erigeron canadensis, medicago falcata, medicago lupulina, persicaria hydropiper, prunella vulgaris, urtica dioica