R352 Juncus acutiflorus meadows

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Description

Dense rush stands in low-lying, damp-prone areas (but with soils superficially dry and aerated in summer), often subjected to moderate grazing or mowing.

Protection

This habitat is not protected under the EU Habitat Directive.

Floristic Composition

Frequent species

Juncus acutiflorus 62%, Lotus pedunculatus 61%, Juncus effusus 59%, Holcus lanatus 55%, Trocdaris verticillatum 48%, Ranunculus repens 39%, Potentilla erecta 38%, Trifolium repens aggr. 37%, Trifolium pratense 36%, Anthoxanthum odoratum 35%, Ranunculus flammula 33%, Molinia caerulea 31%, Jacobaea aquatica 27%, Prunella vulgaris 27%, Agrostis capillaris 26%, Cirsium palustre 25%, Plantago lanceolata 25%, Carex echinata 25%, Galium palustre 24%, Caltha palustris 23%, Cynosurus cristatus 22%, Briza media 21%, Carex leporina 21%, Carex panicea 18%, Poa trivialis 17%, Dactylorhiza maculata aggr. 17%, Silene flos-cuculi 16%, Deschampsia cespitosa aggr. 16%, Anagallis tenella 16%, Juncus articulatus 14%, Scutellaria minor 14%, Wahlenbergia hederacea 13%, Hypochaeris radicata 13%, Ranunculus acris 13%, Carex lepidocarpa aggr. 13%, Succisa pratensis 12%, Hypericum undulatum 12%, Erica tetralix 12%, Bellis perennis 12%, Mentha suaveolens 12%, Carex flacca 12%, Ranunculus bulbosus 12%, Nardus stricta 11%, Danthonia decumbens 11%, Agrostis stolonifera 11%, Centaurea nigra 11%, Juncus inflexus 10%, Cardamine pratensis 10%, Juncus bulbosus 10%, Parnassia palustris 10%, Mentha pulegium 9%, Rumex acetosa 9%, Calluna vulgaris 9%, Juncus conglomeratus 9%, Luzula multiflora 9%, Carex laevigata 8%, Lythrum salicaria 8%, Cerastium fontanum 8%, Epilobium obscurum 8%, Hypericum tetrapterum 8%, Juncus squarrosus 8%, Mentha aquatica 8%, Peucedanum lancifolium 8%, Pedicularis sylvatica 8%, Carex demissa 8%, Carex binervis 8%, Festuca rubra 8%, Mentha longifolia 7%, Gentiana pneumonanthe 7%, Erica mackayana 7%, Dactylis glomerata 7%, Pinguicula grandiflora 7%, Festuca rothmaleri 7%, Rhinanthus minor 7%, Plantago media 7%, Salix atrocinerea 7%, Cyperus longus 7%, Agrostis hesperica 6%, Eriophorum angustifolium 6%, Stellaria alsine 6%, Festuca rivularis 6%, Epilobium parviflorum 6%, Myosotis martini 6%, Veronica scutellata 6%, Veronica beccabunga 6%, Agrostis curtisii 6%, Lotus corniculatus 6%, Cirsium rivulare 6%, Carex pulicaris 6%, Carex durieui 6%, Avenella flexuosa 6%, Drosera rotundifolia 5%, Schedonorus arundinaceus 5%, Glyceria declinata 5%

Phytosociology

  • Deschampsio hispanicae-Juncetum effusi
  • Hyperico undulati-Juncetum acutiflori
  • Loto pedunculati-Juncetum conglomerati
  • Peucedano lancifolii-Juncetum acutiflori
  • Senecioni aquatici-Juncetum acutiflori

Relations with other habitat types

This is an analogue of R361 in less intensively managed and not so eutrophic meadows (i.e., referable to R221). It contacts and may form dynamic mosaics with R55x, which occurs in hardly mown or grazed, less managed and more permanently waterlogged areas. The abundance of Juncus acutiflorus leads us to use this unit, albeit since formations rather referable to R351 are not absent, it might make sense the creation of a R53x under which both units could be recognised at higher levels.

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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