ceratodon purpureus, hypericum perforatum, agrostis capillaris, aira caryophyllea, erigeron canadensis, logfia minima, sedum acre, arenaria serpyllifolia, digitaria ischaemum, festuca bromoides, medicago lupulina, poa annua, agrostis vinealis, cerastium semidecandrum, erodium cicutarium, festuca filiformis, jacobaea vulgaris, lotus corniculatus, teesdalia nudicaulis, trifolium arvense, calamagrostis epigejos, senecio inaequidens, trifolium repens