text: fraxinus excelsior, urtica dioica, populus canadensis, galium aparine, sambucus nigra, poa trivialis, symphytum officinale, ficaria verna, galeopsis tetrahit, glechoma hederacea, heracleum sphondylium, rubus caesius, valeriana officinalis, calystegia sepium, carduus crispus, epilobium hirsutum, iris pseudacorus, lamium album, lamium purpureum, prunus padus, quercus robur, ribes rubrum