arabidopsis arenosa, asplenium ruta-muraria, asplenium trichomanes, campanula rapunculoides, campanula trachelium, chaerophyllum temulum, corydalis solida, cystopteris fragilis, geranium robertianum, lamium galeobdolon, moehringia trinervia, mycelis muralis, polypodium vulgare, urtica dioica