Fróðskaparrit - 01.01.2004, Side 229

HÆDDARÚTBREIÐSLA AV PLANTUSAMFELØGUM í FØROYUM
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Table 5. Details from the three plant communities belonging to moist grassland vegetation. For eaclt species in
the communities, abundance and constancy are given: 4) Thymus praecox-Vaccinium myrtillus community,
5) Nardus stricta-PotentiIla erecta community, 12) Galium saxatiIis-Anthoxanthum odoratum community.
Species in bold type are indicator speciesfor the communities. Roman numerals from I-V indicate tlie constancy
ofspecies in the community. See text for further details.
Conimunities 4 5 12
number of plots 16 57 22
aspect S N,S N,S
vegetation cover 87 88 98
pH 5.3 5.1 5.3
slope (degrees) 32 13 29
vegetation height (cm) 6 13 8
number of taxa 54 86 58
taxa/plot 15 13 15
Character species: í
Thymus praecox 13/V x/I 2/III
Vaccinium myrtillus 6/V l/II l/II
Nardus stricta 2/III 8/V 1/11
Potentilla erecta 2/III 7/IV l/II
Galium saxatile 3/III 3/III 7/V
Antlioxanthum odoratum 2/IV 3/III 6/V
Agrostis capillaris 7/V 7/IV 15/V
Festuca vivipara 5/V 2/III 4/V
Viola riviniana 5/V 1/1 2/IV
Rhytidiadelphus loreus l/III 5/III 11/V
Racomitrium lanuginosum 18/IV 2/II x/1
Alchemilla alpina 3/III 1/1 x/I
Empetrum nigrum 9/IV 1/1
Polytrichum spp. 3/III 3/III 5/V
Rhytidiadelphus squarrosus l/II 3/III 6 /V
Hylocomium splendens 1/1 4/III 6/V
Festuca rubra l/III 1/11 3/IV
Viola palustris 2/II 5/V
Narthecium ossifragum 4/III
Deschampsia flexuosa l/II x/I I/III
Agrostis canina 2/III 3/III 2/1II
Rumex acetosa x/1 3/III
Euphrasia officinalis 1/1 2/111
Carex ecliinata 5/111 x/I
Dactylorhiza maculata x/I 1/11 x/111
Cerastium fontanum x/I l/III
Carex demissa 1 /III x/I x/l
Additional species vvith constancy less than III: Agrostis stolonifera, Alchemilla filicaulis, Bistorta vivipara, Breutelia chrysocoma, Calluna vulgaris,
Campylopus atrovirens, Campylopus schwarzii, Cardaminopsis petraea, Carex bigelowii, Carex nigra, Carex panicea, Carex pilulifera, Carex pulicaris,
Cetraria islandica, Cladonia arbuscula, Cladonia furcata, Cladonia portentosa, Cladonia uncialis, Dicranella sp„ Dicranum scoparium, Diphasiastrum
alplnum, Drepanocladus uncinatus, Equisetum palustre, Eriophorum angustifolium, Eriophorum vaginatum, Euphrasia arctica, Euphrasia frigida, Euphrasia
micrantha, Euphrasia scottica, Festuca vivipara, Huperzia selago, Hylocomium umbratum, Hypericum pulchrum, Hypnum cupressiforme, Isopterygium
pulchellum, Isothecium myosuroides, Juncus bufonius, Juncus bulbosus, Juncus squarrosus, Juncus triglumis, Koenigia islandica, Liverworth spp., Lotus
corniculatus, Luzula multiflora, Luzula spicata, Luzula sylvatica, Pinguicula vulgaris, Plagiothecium undulatum, Pleurozium schreberi, Poa pratensis,
Polygala serpyllifolia, Prunella vulgaris, Pyrola minor, Racomitrium fasciculare, Racomitrium lanuginosum, Racomitrium microcarpon, Ranunculus acris,
Ranunculus flammula, Rhizomnium pseudopunctatum, Rhytidiadelphus triquetrus, Salix herbacea, Saxifraga stellaris, Selaginella selaginoides, Sibbaldia
procumbens, Silene acaulis, Spliagnum spp., Taraxacum offlcinalis, Thalictrum alpinum, Thuidium tamariscinum, Trichophorum cespitosum, Veronica
ojflcinalis, Viola canina.