Diagnostic taxa

Agrostis rupestris, Agrostis tileni, Alchemilla saxatilis, Antennaria dioica, Armeria bigerrensis, Armeria caespitosa, Armeria sampaioi, Avenella flexuosa, Biscutella valentina, Cryptogramma crispa, Dianthus langeanus, Erigeron frigidus, Erysimum humile, Festuca clementei, Festuca eskia, Festuca iberica, Festuca indigesta, Genista sanabrensis, Hormathophylla, Jasione crispa aggr., Jasione laevis, Jurinea humilis, Luzula caespitosa, Luzula spicata, Minuartia recurva, Neoschischkinia truncatula, Phalacrocarpum oppositifolium, Phyteuma hemisphaericum, Pilosella vahlii, Plantago alpina, Rumex suffruticosus, Saxifraga moncayensis, Saxifraga pentadactylis, Scorzoneroides pyrenaica, Sedum brevifolium, Sedum candolleanum, Sempervivum vicentei, Senecio carpetanus, Silene ciliata, Teesdalia conferta, Thymelaea coridifolia

Constant taxa

Agrostis rupestris, Antennaria dioica, Armeria caespitosa, Avenella flexuosa, Calluna vulgaris, Dianthus langeanus, Festuca iberica, Festuca indigesta, Jasione crispa aggr., Jasione laevis, Juniperus communis subsp. nana, Luzula caespitosa, Luzula spicata, Minuartia recurva, Nardus stricta, Neoschischkinia truncatula, Phalacrocarpum oppositifolium, Phyteuma hemisphaericum, Pilosella vahlii, Plantago alpina, Rumex acetosella, Scorzoneroides pyrenaica, Sedum brevifolium, Sedum candolleanum, Silene ciliata, Solidago virgaurea, Thymus praecox

Dominant taxa

Festuca indigesta, Luzula caespitosa