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358
tyge w. bucher
indifferent, being able to reach dominance in soils with pH-values from
4.(5 to 7.7.
Table 1.
Analysis’ no.............................. 1 4
Locality (R = Raghammerodde; K = Klitborgl K K K It
Exposure and slope..............................................S, 18° S, o
pH ............................................................................4.(> 5.0 5.3 5.1
Density of species2 ..............................................8.2 11.9 9.7 12.5
Number of species ................................................19 28 28
Total covering in per cent .................. 91)_95_100_100
1. Continental-subcontinental species:
Festuca polesica........................ 104 94 8., •>
Poa angustifolia .............................................._ *>i
Artemisia campestris................... 4 3 7, 10.
Gnaphalium arenariuni.................
Erigeron acer .........................
Pimpinella saxifraija ...................
Yicia lathyroides..............................................2
Thalictrum minus ............................................-
Dianthus deltoides ..................... — ’"4
2. Suboceanic species:
Corynephorus canescens ................................3 94
Carex arenaria..................................................103 84 1 6j
Hypochoeris radicata ....................................-
Jasione montana..............................................60 ’
3. Widely distributed species:
Festuca rubra ..................................................9;
Poa pratensis var. humilis ............................10. 1
Anthoxanthum odoratum ............... ■">
Ammophila arenaria.................... -f-
liromus mollis.........................
I.uzula campestris ...................... 1 7, 1
Hieracium pilosella ......................................- U
umbellatum ........................ 5 84 1 +
Taraxacum sp....................................................1
Campanula rotundifolia ................................T
Galium verum .......................... 5 4 9« ’s
Plantago lanceolala ........................................1
Thymus serpyllum .................... 7, (i, 10, 10lo
Viola canina......................................................’ f
Sedum acre........................................................2 o
Cerastium semideccindrum ............................-
Rumex acetosella ............................................^
4. Bryopliytes:
Polytrichum juniperinum............... 1
piliferum ...........................
Rhacomitrium canescens............... 10, „ 85
li>cranitm scoparium................... 1 — t
Hypnum cupressiforme................. 1 2 10., 109
/ liuidium abietinum ......................................-
Climacium dendroides ....................................3
Tortula ruralis.........................
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