carduus cephalanthus, chenopodiastrum murale, anthemis maritima, arisarum vulgare, artemisia arborescens, avena barbata, dactylis glomerata, dioscorea communis, echium plantagineum, hordeum murinum, mercurialis annua, phytolacca americana, smilax aspera, asparagus acutifolius, lagurus ovatus, mesembryanthemum crystallinum, rumex bucephalophorus, senecio leucanthemifolius, sonchus oleraceus, umbilicus rupestris