text: calluna vulgaris, pilosella officinarum, polytrichum piliferum, campylopus introflexus, ceratodon purpureus, rumex acetosella, agrostis capillaris, aira praecox, quercus rubra, danthonia decumbens, festuca rubra, hypochaeris radicata, pseudoscleropodium purum, quercus robur, scleranthus annuus, anthoxanthum odoratum, atrichum undulatum, avenella flexuosa, brachythecium albicans, brachythecium rutabulum