S353 Atlantic poor soil thickets

New search

Description

Thickets of thorny or toxic, mostly bird-dispersed tall bushes and climbers on acid, oligrotrophic soils.

Protection

This habitat is not protected under the EU Habitat Directive.

Floristic Composition

Frequent species

Salix atrocinerea 83%, Pteridium aquilinum 59%, Frangula alnus 53%, Rubus ulmifolius 52%, Lonicera periclymenum 44%, Hedera helix aggr. 43%, Teucrium scorodonia 40%, Pyrus cordata 36%, Ulex minor aggr. 33%, Quercus robur 33%, Crataegus monogyna 31%, Daboecia cantabrica 28%, Corylus avellana 25%, Betula celtiberica 24%, Blechnum spicant 24%, Athyrium filix-femina 21%, Brachypodium pinnatum 20%, Erica arborea 19%, Ilex aquifolium 17%, Cirsium palustre 16%, Urtica dioica 16%, Dioscorea communis 15%, Prunus spinosa 15%, Agrostis capillaris 15%, Erica vagans 15%, Alnus glutinosa aggr. 15%, Avenella flexuosa 13%, Vaccinium myrtillus 13%, Potentilla erecta 13%, Ranunculus repens 13%, Digitalis purpurea 13%, Dryopteris dilatata 12%, Sambucus nigra 12%, Holcus mollis 12%, Malus sylvestris 12%, Rosa canina aggr. 11%, Angelica sylvestris 11%, Erica lusitanica 11%, Calluna vulgaris 11%, Deschampsia cespitosa aggr. 11%, Dryopteris affinis 11%, Lycopus europaeus 9%, Lythrum salicaria 9%, Ulex europaeus aggr. 9%, Iris pseudacorus 9%, Laurus nobilis 9%, Rubia peregrina 9%, Solanum dulcamara 9%, Stellaria holostea 9%, Eupatorium cannabinum 9%, Juncus effusus 9%, Rubus lainzii 8%, Dactylis glomerata 8%, Galium palustre 8%, Carex laevigata 8%, Helictotrichon thorei 8%, Erica cinerea 8%, Brachypodium sylvaticum 8%, Luzula sylvatica 8%, Sorbus aria 8%, Stachys officinalis 8%, Quercus pyrenaica 7%, Viola palustris 7%, Smilax aspera 7%, Polypodium vulgare 7%, Hypericum androsaemum 7%, Solidago virgaurea 7%, Cytisus scoparius 7%, Mentha suaveolens 7%, Crepis lampsanoides 7%, Omphalodes nitida 7%, Carex flacca 7%, Oxalis acetosella 7%, Arbutus unedo 7%, Fraxinus excelsior 7%, Filipendula ulmaria 5%, Sorbus aucuparia 5%, Fagus sylvatica 5%, Euphorbia amygdaloides 5%, Adenostyles alpina 5%, Thelypteris limbosperma 5%, Ajuga reptans 5%, Bryonia dioica 5%, Fraxinus angustifolia 5%, Prunella vulgaris 5%, Peucedanum lancifolium 5%, Osmunda regalis 5%, Oenanthe crocata 5%, Mentha aquatica 5%, Rosa villosa 5%, Lamium maculatum 5%, Holcus lanatus 5%, Salix caprea 5%, Helosciadium nodiflorum 5%, Scrophularia auriculata 5%, Viola riviniana aggr. 5%

Phytosociology

  • Frangulo alni-Pyretum cordatae

Relations with other habitat types

This scrub can be interpreted as an acidophilous analogue of S351, facilitating the recovery of T182 and T1Bx woodlands from lower scrub of the block S33 or S42m, often through a transitional pioneer stage referable to T1D1. In areas prone to summer drought for topographic or edaphic reasons (southern aspects, abrupt rocky slopes), it may be replaced by tha acidophilous variants of S51b rich in Arbutus unedo.

Regional distribution

Known occurrences and potential area of occupancy of the habitat type in the study region.

© 2025 IBEROATLANTICA
Citation: IBEROATLANTICA – Flora and Habitats of the Cantabrian Mixed Forests ecoregion.
iberoatlantica.eu