festuca rupicola, polytrichum piliferum, potentilla argentea, bryum argenteum, ceratodon purpureus, echium vulgare, pilosella officinarum, poa compressa, sedum acre, tortula muralis, alyssum alyssoides, bromus tectorum, cerastium arvense, scleranthus annuus, trifolium arvense, arrhenatherum elatius, clinopodium acinos, convolvulus arvensis, thymus pulegioides