text: syntrichia ruralis, koeleria glauca, helichrysum arenarium, artemisia campestris, ceratodon purpureus, chondrilla juncea, echium vulgare, festuca psammophila, medicago minima, arenaria serpyllifolia, bryum argenteum, erodium cicutarium, streblotrichum convolutum, vicia lathyroides, brachythecium albicans, bromus tectorum, centaurea stoebe, cerastium semidecandrum, erigeron canadensis, euphorbia cyparissias, peltigera praetextata, petrorhagia prolifera, silene otites, setaria viridis