S33p Cytisus striatus and C. commutatus fields
Description
Cold-sensitive analogue of S33n, S33w, S33y and S33z, never too far from coastal areas (especially in sandy soils associated with sandstones or gray dunes) or, only Cytisus striatus, in the southwestern submediterranean sector (sunnier and drier in summer), where it tends to appear at lower elevations than S33w (i.e. successionally associated to woodlands of the units T1Bx and T211 —or transitions thereof—rather than T19A). It is mostly coincident with EUNIS level V unit S3343 (“Northwestern Iberian Cytisus fields), but its neat ecological and biogeographical in the ecoregion deserves recognition at level IV.
Floristic Composition
Frequent species
Cytisus striatus
0.7,
Pteridium aquilinum
0.64,
Rubus ulmifolius
0.58,
Ulex europaeus aggr.
0.47,
Teucrium scorodonia
0.41,
Adenocarpus complicatus aggr.
0.34,
Ulex minor aggr.
0.31,
Quercus robur
0.27,
Agrostis capillaris
0.25,
Digitalis purpurea
0.25,
Dactylis glomerata
0.24,
Erica cinerea
0.24,
Erica arborea
0.2,
Cytisus multiflorus
0.2,
Daboecia cantabrica
0.17,
Calluna vulgaris
0.17,
Cytisus scoparius
0.17,
Cytisus commutatus
0.17,
Arenaria montana
0.15,
Hypochaeris radicata
0.15,
Helictotrichon thorei
0.14,
Glandora prostrata
0.14,
Cistus inflatus
0.14,
Jasione montana
0.14,
Halimium alyssoides
0.12,
Agrostis curtisii
0.12,
Brachypodium pinnatum
0.12,
Holcus lanatus
0.11,
Arbutus unedo
0.11,
Potentilla erecta
0.11,
Andryala integrifolia
0.11,
Agrostis castellana
0.11,
Salix atrocinerea
0.1,
Holcus mollis
0.1,
Cytisus cantabricus aggr.
0.1,
Clinopodium vulgare
0.09,
Quercus pyrenaica
0.09,
Rumex acetosa
0.08,
Daphne gnidium
0.08,
Lonicera periclymenum
0.08,
Jacobaea vulgaris
0.08,
Genista florida
0.08,
Betula celtiberica
0.07,
Hedera helix aggr.
0.07,
Castanea sativa
0.07,
Cistus ladanifer
0.07,
Lavandula pedunculata
0.07,
Briza maxima
0.07,
Centaurea paniculata aggr.
0.06,
Rumex acetosella
0.06,
Genista tridentata
0.06,
Rubia peregrina
0.06,
Centaurea nigra
0.06,
Lotus corniculatus
0.06,
Pinus pinaster
0.06
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Indicator species
Cytisus striatus 0.7
,
Pteridium aquilinum 0.47
,
Rubus ulmifolius 0.36
,
Adenocarpus complicatus aggr. 0.34
,
Teucrium scorodonia 0.29
,
Ulex europaeus aggr. 0.28
,
Digitalis purpurea 0.2
,
Quercus robur 0.19
,
Agrostis capillaris 0.19
,
Dactylis glomerata 0.18
,
Cytisus commutatus 0.17
,
Cytisus multiflorus 0.16
,
Hypochaeris radicata 0.12
,
Cistus inflatus 0.12
,
Jasione montana 0.1
,
Arenaria montana 0.1
,
Andryala integrifolia 0.09
,
Holcus lanatus 0.09
,
Glandora prostrata 0.09
,
Cytisus cantabricus aggr. 0.09
,
Jacobaea vulgaris 0.08
,
Holcus mollis 0.08
,
Cytisus scoparius 0.07
,
Agrostis castellana 0.07
,
Rumex acetosa 0.06
,
Clinopodium vulgare 0.05
,
Centaurea paniculata aggr. 0.05
,
Briza maxima 0.05
,
Betula celtiberica 0.05
,
Quercus pyrenaica 0.05
,
Pinus pinaster 0.05
,
Taraxacum sect. Taraxacum 0.05
,
Lavandula pedunculata 0.05
,
Hypericum perforatum 0.04
,
Tolpis barbata aggr. 0.04
,
Centaurea nigra 0.04
,
Castanea sativa 0.04
,
Daphne gnidium 0.04
,
Rumex acetosella 0.04
,
Mercurialis annua 0.03
,
Crepis capillaris 0.03
,
Helichrysum foetidum 0.03
,
Arrhenatherum elatius 0.03
,
Hypericum linariifolium 0.03
,
Silene vulgaris 0.03
,
Campanula patula 0.03
,
Sonchus oleraceus 0.03
,
Linaria saxatilis 0.03
,
Silene latifolia 0.03
,
Corrigiola litoralis 0.02
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Regional distribution
