arabidopsis thaliana, cerastium arvense, poa angustifolia, potentilla argentea, convolvulus arvensis, elymus repens, euphorbia cyparissias, pilosella officinarum, potentilla verna, sedum acre, buglossoides arvensis, echium vulgare, galium pomeranicum, galium verum, hylotelephium maximum, hypericum perforatum, arrhenatherum elatius, delphinium consolida