pinus sylvestris, pseudotsuga menziesii, pseudoscleropodium purum, avenella flexuosa, dryopteris dilatata, fagus sylvatica, kindbergia praelonga, polytrichum commune, prunus serotina, sorbus aucuparia, amelanchier lamarckii, ceratocapnos claviculata, dryopteris carthusiana, quercus rubra, picea abies