de, bayreuth, landkreis, hordeum vulgare, triticum aestivum, silphium perfoliatum, trifolium incarnatum, avena sativa, phacelia tanacetifolia, viola arvensis, fagopyrum esculentum, chenopodium album, convolvulus arvensis, thlaspi arvense, papaver rhoeas, zea mays, capsella bursa-pastoris, raphanus raphanistrum, cota tinctoria, medicago sativa, sonchus asper, veronica persica, brassica napus, tragopogon pratensis, sinapis arvensis, lysimachia arvensis, crepis biennis, elymus repens, myosotis arvensis, rhinanthus alectorolophus, cirsium arvense, matricaria chamomilla, euphorbia helioscopia, geranium pratense, centaurea cyanus, poa trivialis, galium aparine, aethusa cynapium, trifolium repens, plantago major, geranium dissectum, ranunculus repens, trifolium resupinatum, salvia pratensis, heracleum sphondylium, veronica arvensis, vicia sepium, stellaria media, galeopsis tetrahit, lamium purpureum, fallopia convolvulus, sinapis alba, euphorbia exigua