corynephorus canescens, erigeron acris, poa annua, calluna vulgaris, salix repens, rubus idaeus, agrostis capillaris, carex arenaria, polytrichum piliferum, potentilla erecta, rumex acetosella, tussilago farfara, viola arvensis, arabidopsis arenosa, calamagrostis epigejos, euphorbia cyparissias, persicaria lapathifolia, persicaria maculosa, pleurozium schreberi, salix acutifolia