text: ailanthus altissima, calamagrostis epigejos, pteridium aquilinum, castanea sativa, frangula alnus, paulownia tomentosa, rubus bifrons, brachythecium rutabulum, galeopsis pubescens, galium aparine, impatiens parviflora, phytolacca americana, senecio ovatus, stellaria nemorum, juncus effusus, urtica dioica, viola reichenbachiana, athyrium filix-femina, betula pendula, eupatorium cannabinum, populus tremula, salix caprea