S73y Genista sanabrensis cushion-heaths
Description
Thorny cushion-forming scrub, somewhat analogous to those in the rest of the block S73, but restricted to outcropping slates in the highest levels of the Montes de León and western Cantabrian mountains, essentially above the treeline. For the reasons explained under S73x, a new level IV regional unit is created, replacing the original S73452 (Genista sanabrensis cushion-heaths).
Floristic Composition
Frequent species
Genista sanabrensis
1,
Calluna vulgaris
0.87,
Avenella flexuosa
0.71,
Vaccinium myrtillus
0.48,
Agrostis tileni
0.48,
Solidago virgaurea
0.45,
Gentiana lutea
0.32,
Festuca summilusitana
0.32,
Erica umbellata
0.32,
Erica australis
0.29,
Juniperus communis
0.29,
Sedum brevifolium
0.29,
Jasione crispa
0.26,
Jasione laevis
0.23,
Cytisus oromediterraneus
0.23,
Genista tridentata
0.23,
Silene ciliata
0.19,
Luzula lactea
0.19,
Luzula caespitosa
0.16,
Halimium alyssoides
0.13,
Scorzoneroides pyrenaica
0.13,
Jurinea humilis
0.1,
Neoschischkinia truncatula
0.1,
Halimium umbellatum
0.1,
Eryngium duriaei
0.1,
Dianthus langeanus
0.1,
Jacobaea adonidifolia
0.06,
Agrostis curtisii
0.06,
Antennaria dioica
0.06,
Armeria ciliata
0.06,
Conopodium majus aggr.
0.06,
Rumex acetosella
0.06,
Phyteuma hemisphaericum
0.06,
Phalacrocarpum oppositifolium
0.06,
Hieracium murorum aggr.
0.06,
Agrostis capillaris
0.06
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Indicator species
Genista sanabrensis 1
,
Avenella flexuosa 0.58
,
Calluna vulgaris 0.54
,
Agrostis tileni 0.48
,
Solidago virgaurea 0.42
,
Vaccinium myrtillus 0.33
,
Festuca summilusitana 0.29
,
Sedum brevifolium 0.27
,
Gentiana lutea 0.26
,
Erica umbellata 0.26
,
Jasione crispa 0.25
,
Silene ciliata 0.19
,
Cytisus oromediterraneus 0.18
,
Jasione laevis 0.17
,
Luzula lactea 0.16
,
Luzula caespitosa 0.15
,
Juniperus communis 0.12
,
Erica australis 0.12
,
Scorzoneroides pyrenaica 0.1
,
Jurinea humilis 0.09
,
Eryngium duriaei 0.09
,
Dianthus langeanus 0.08
,
Halimium umbellatum 0.07
,
Jacobaea adonidifolia 0.06
,
Armeria ciliata 0.06
,
Phyteuma hemisphaericum 0.06
,
Neoschischkinia truncatula 0.06
,
Antennaria dioica 0.05
,
Hieracium murorum aggr. 0.05
,
Phalacrocarpum oppositifolium 0.03
,
Murbeckiella boryi 0.03
,
Cerastium ramosissimum 0.03
,
Sesamoides minor 0.03
,
Rumex acetosella 0.03
,
Euphrasia hirtella 0.03
,
Armeria duriaei 0.03
,
Scorzoneroides carpetana 0.03
,
Dianthus pungens 0.03
,
Jasione sessiliflora 0.03
,
Teesdalia conferta 0.02
,
Echinospartum lusitanicum 0.02
,
Orobanche rapum-genistae 0.01
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Regional distribution
