J25Y Shady constructed walls with ferns
Description
Mostly temperate, fern-rich vegetation of shady human-made walls.
Protection
This habitat is not protected under the EU Habitat Directive.Floristic Composition
Frequent species
Cymbalaria muralis
100%,
Asplenium trichomanes
70%,
Parietaria judaica
53%,
Umbilicus rupestris
40%,
Polypodium cambricum
35%,
Asplenium ceterach
35%,
Centranthus ruber
28%,
Sonchus oleraceus
28%,
Asplenium ruta-muraria
26%,
Geranium robertianum
23%,
Trachelium caeruleum
21%,
Asplenium scolopendrium
18%,
Sedum album
16%,
Asplenium adiantum-nigrum aggr.
16%,
Sedum dasyphyllum
12%,
Hedera helix aggr.
9%,
Crepis capillaris
9%,
Stellaria media
9%,
Chelidonium majus
9%,
Catapodium rigidum
9%,
Erigeron canadensis
7%,
Symphyotrichum squamatum
7%,
Sagina procumbens
7%,
Rubus ulmifolius
7%,
Bromus rigidus
5%,
Poa annua
5%,
Daucus carota
5%,
Asplenium obovatum
5%,
Geranium lucidum
5%
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Indicator species
Cymbalaria muralis 0.8,
Asplenium trichomanes 0.36,
Umbilicus rupestris 0.22,
Asplenium scolopendrium 0.18,
Trachelium caeruleum 0.17,
Sedum album 0.16,
Asplenium adiantum-nigrum aggr. 0.1,
Sedum dasyphyllum 0.09,
Stellaria media 0.09,
Symphyotrichum squamatum 0.07,
Crepis capillaris 0.06,
Bromus rigidus 0.05,
Sagina procumbens 0.04,
Saxifraga granulata 0.04,
Poa bulbosa 0.04,
Bromus diandrus 0.04,
Geranium lucidum 0.04,
Poa annua 0.03,
Hordeum murinum 0.03,
Asplenium obovatum 0.03,
Cardamine hirsuta 0.03,
Sonchus tenerrimus 0.02,
Campanula erinus 0.02,
Arrhenatherum elatius 0.02,
Rumex acetosella 0.02,
Plantago coronopus 0.02,
Poa pratensis 0.02,
Arabidopsis thaliana 0.02,
Sedum brevifolium 0.02,
Fumaria officinalis 0.02,
Cerastium fontanum 0.02,
Anthemis arvensis 0.02,
Anarrhinum bellidifolium 0.02,
Thrincia saxatilis aggr. 0.02,
Aira caryophyllea 0.02,
Petrorhagia nanteuilii 0.02,
Oenothera rosea 0.02,
Minuartia hybrida 0.02,
Bromus sterilis 0.02,
Centranthus calcitrapae 0.02,
Convolvulus arvensis 0.02,
Cystopteris fragilis aggr. 0.02,
Draba verna 0.02,
Epilobium tetragonum 0.02,
Festuca juncifolia 0.02,
Ficus carica 0.02,
Fumaria muralis 0.02,
Asplenium marinum 0.02,
Galium aparine aggr. 0.02,
Geranium rotundifolium 0.02,
Helminthotheca echioides 0.02,
Lamium amplexicaule 0.02,
Lamium purpureum aggr. 0.02,
Agrostis castellana 0.02
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Phytosociology
- Cymbalarietum muralis
- Cymbalario-Trachelietum caerulei
Relations with other habitat types
Occurs in shadier situations than J25Z and has a longer flowering season.
Regional distribution
Known occurrences and potential area of occupancy of the habitat type in the study region.
