S33y Cytisus scoparius fields
Description
Analogue of S33n on not that sandy or stony, well-draining soils. Its position is reminiscent of S42m, but in less acid areas, including leached limestones. In lowlands, seral scrub in this intermediate position is mostly represented by the frost- and drought-sensitive S332, except in submediterranean areas unsuitable to gorse where the hardier Cytisus scoparius can gain some preponderance. This submediterranean hue difficults a full assimilation to S331 (“Temperate Cytisus scoparius fields) and recommends the creation of a new regional level IV unit.
Floristic Composition
Frequent species
Cytisus scoparius
0.98,
Erica arborea
0.54,
Pteridium aquilinum
0.44,
Genista florida
0.42,
Arenaria montana
0.34,
Quercus pyrenaica
0.3,
Teucrium scorodonia
0.29,
Cytisus multiflorus
0.23,
Erica australis
0.22,
Genista falcata
0.22,
Calluna vulgaris
0.21,
Festuca elegans
0.2,
Halimium umbellatum
0.19,
Genista tridentata
0.18,
Digitalis purpurea
0.17,
Sedum forsterianum
0.17,
Adenocarpus complicatus aggr.
0.16,
Viola riviniana aggr.
0.16,
Conopodium majus aggr.
0.15,
Lavandula pedunculata
0.14,
Quercus rotundifolia
0.13,
Clinopodium vulgare
0.13,
Jasione montana
0.13,
Dactylis glomerata
0.12,
Rubus ulmifolius
0.12,
Hypochaeris radicata
0.12,
Potentilla erecta
0.12,
Helictochloa marginata
0.12,
Silene nutans
0.11,
Glandora diffusa
0.11,
Polygala vulgaris
0.11,
Sanguisorba verrucosa
0.11,
Galium pumilum aggr.
0.11,
Erica cinerea
0.11,
Agrostis castellana
0.11,
Agrostis capillaris
0.11,
Orobanche rapum-genistae
0.1,
Agrostis curtisii
0.1,
Ulex europaeus aggr.
0.1,
Helictotrichon thorei
0.1,
Brachypodium pinnatum
0.09,
Thymus mastichina
0.09,
Lotus corniculatus
0.08,
Halimium alyssoides
0.08,
Bellis perennis
0.08,
Anthoxanthum odoratum
0.08,
Hypericum pulchrum
0.08,
Hyacinthoides non-scripta
0.08,
Ranunculus nigrescens
0.08,
Cytisus striatus
0.08,
Vaccinium myrtillus
0.07,
Primula acaulis
0.07,
Brachypodium sylvaticum
0.07,
Cistus inflatus
0.07,
Cytisus oromediterraneus
0.07,
Cistus ladanifer
0.07,
Holcus mollis
0.06,
Anemone nemorosa
0.06,
Crataegus monogyna
0.06,
Luzula campestris
0.06,
Campanula rapunculus
0.06,
Thesium pyrenaicum
0.05,
Teesdalia nudicaulis
0.05,
Anarrhinum bellidifolium
0.05,
Centaurea paniculata aggr.
0.05,
Galium saxatile
0.05,
Melampyrum pratense
0.05,
Helleborus foetidus
0.05,
Crepis lampsanoides
0.05,
Cruciata glabra
0.05,
Daphne gnidium
0.05,
Pilosella officinarum
0.05
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Indicator species
Cytisus scoparius 0.97
,
Erica arborea 0.36
,
Pteridium aquilinum 0.32
,
Genista florida 0.27
,
Arenaria montana 0.26
,
Quercus pyrenaica 0.26
,
Genista falcata 0.21
,
Teucrium scorodonia 0.2
,
Festuca elegans 0.19
,
Cytisus multiflorus 0.17
,
Sedum forsterianum 0.16
,
Halimium umbellatum 0.16
,
Digitalis purpurea 0.14
,
Adenocarpus complicatus aggr. 0.12
,
Conopodium majus aggr. 0.11
,
Quercus rotundifolia 0.11
,
Lavandula pedunculata 0.1
,
Viola riviniana aggr. 0.1
,
Clinopodium vulgare 0.1
,
Sanguisorba verrucosa 0.09
,
Hypochaeris radicata 0.09
,
Erica australis 0.09
,
Jasione montana 0.09
,
Dactylis glomerata 0.09
,
Silene nutans 0.08
,
Orobanche rapum-genistae 0.08
,
Agrostis castellana 0.08
,
Galium pumilum aggr. 0.08
,
Thymus mastichina 0.08
,
Ranunculus nigrescens 0.07
,
Bellis perennis 0.07
,
Agrostis capillaris 0.06
,
Helictochloa marginata 0.06
,
Anthoxanthum odoratum 0.06
,
Polygala vulgaris 0.06
,
Hyacinthoides non-scripta 0.06
,
Campanula rapunculus 0.06
,
Luzula campestris 0.05
,
Cytisus oromediterraneus 0.05
,
Hypericum pulchrum 0.05
,
Teesdalia nudicaulis 0.04
,
Centaurea paniculata aggr. 0.04
,
Viola odorata 0.04
,
Veronica arvensis 0.04
,
Helleborus foetidus 0.04
,
Cruciata glabra 0.04
,
Anarrhinum bellidifolium 0.04
,
Crepis lampsanoides 0.04
,
Cistus inflatus 0.04
,
Brachypodium sylvaticum 0.04
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Regional distribution
