prunus serotina, larix kaempferi, quercus robur, sorbus aucuparia, quercus rubra, castanea sativa, ilex aquifolium, pseudotsuga menziesii, vaccinium myrtillus, atrichum undulatum, carex pilulifera, cytisus scoparius, dicranella heteromalla, fagus sylvatica, hedera helix, hypnum cupressiforme, pohlia nutans