poa angustifolia, bromus arvensis, bromus commutatus, erigeron annuus, glechoma hederacea, capsella bursa-pastoris, urtica dioica, erigeron canadensis, chelidonium majus, galinsoga parviflora, lactuca serriola, rubus idaeus, achillea millefolium, chenopodium album, galium aparine, oenothera biennis