R541 Helechales

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Description

Colonias densas y muy expansivas de helecho sobre suelos ácidos, profundos, húmedos pero no encharcados que invaden de manera característica áreas recientemente abandonadas de R1M2, a menudo en mosaico con S33 y S42m, que acaban por prevalecer de no mediar incendios o desbroces esporádicos.

Floristic Composition

Frequent species

Pteridium aquilinum 1, Potentilla erecta 0.68, Viola riviniana aggr. 0.53, Calluna vulgaris 0.51, Festuca rubra 0.46, Ulex europaeus aggr. 0.43, Brachypodium pinnatum 0.38, Erica vagans 0.34, Agrostis curtisii 0.33, Helictotrichon thorei 0.31, Avenella flexuosa 0.3, Carex caryophyllea 0.26, Stachys officinalis 0.24, Agrostis capillaris 0.23, Erica cinerea 0.23, Quercus robur 0.21, Daboecia cantabrica 0.21, Vaccinium myrtillus 0.2, Carex pilulifera 0.2, Pilosella officinarum 0.2, Polygala serpyllifolia 0.2, Danthonia decumbens 0.17, Ranunculus tuberosus aggr. 0.17, Centaurea nigra 0.16, Nardus stricta 0.16, Stellaria holostea 0.15, Lathyrus linifolius 0.15, Blechnum spicant 0.15, Genista pilosa 0.15, Hypochaeris radicata 0.14, Molinia caerulea 0.14, Polygala vulgaris 0.14, Anthoxanthum odoratum 0.14, Dactylis glomerata 0.13, Hypericum pulchrum 0.12, Lotus corniculatus 0.12, Teucrium scorodonia 0.12, Cirsium filipendulum 0.12, Erica ciliaris 0.11, Veronica officinalis 0.11, Galium saxatile 0.11, Scilla verna 0.1, Clinopodium vulgare 0.1, Fragaria vesca 0.1, Ulex minor aggr. 0.1, Asphodelus albus 0.09, Arenaria montana 0.09, Gentiana pneumonanthe 0.09, Cruciata glabra 0.09, Cytisus scoparius 0.09, Solidago virgaurea 0.09, Glandora diffusa 0.08, Galium pumilum aggr. 0.08, Cardamine pratensis 0.08, Smilax aspera 0.07, Campanula rotundifolia aggr. 0.07, Trifolium pratense 0.07, Rubus ulmifolius 0.07, Omphalodes nitida 0.07, Picris hieracioides 0.07, Helictochloa marginata 0.07, Centaurea debeauxii 0.07, Cuscuta epithymum 0.07, Plantago lanceolata 0.06, Daucus carota 0.06, Trisetum flavescens 0.06, Achillea millefolium 0.06, Carex flacca 0.06, Euphorbia angulata 0.06, Wahlenbergia hederacea 0.06, Jasione montana 0.06, Prunella grandiflora 0.06, Eupatorium cannabinum 0.06, Campanula scheuchzeri 0.05, Potentilla montana 0.05, Veronica chamaedrys 0.05, Cirsium palustre 0.05, Pulicaria dysenterica 0.05, Crataegus monogyna 0.05, Thymus praecox 0.05, Pulmonaria longifolia 0.05, Lilium martagon 0.05, Digitalis purpurea 0.05, Rumex acetosa 0.05, Scorzonera humilis 0.05, Euphorbia hyberna 0.05

Regional distribution

Known occurrences and potential area of occupancy of the habitat type in the study region.
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Citation: IBEROATLANTICA – Flora and Habitats of the Cantabrian Mixed Forests ecoregion.
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