Table 11. Mean cover (%) of the most abundant species within alpine and upland ecotypes at Ft.
Wainwright, central Alaska, 1998. Blanks in table indicate a species was not present. 0 indicates cover
<0.5%, and bolded values indicate frequency of occurrence is >60% within an ecotype.
Species
Dryas octopetala
55
Lupinus arcticus
0
5
Salix arctica
1
3
Aster sibiricus
1
Polygonon viviparum
1
Tofieldia coccinea
1
Salix phlebophylla
1
Anemone narcissiflora
0
1
Polygonon bistorta
1
2
Artemisia tilesii
0
0
0
1
Pedicularis labradorica
0
2
0
1
Rhytidium rugosum
5
3
0
Carex bigelowii
1
10
14
Cladina sp.
3
0
1
0
1
60
37
Betula nana
15
10
38
Ledum decumbens
2
12
Aulacomnium turgidum
0
12
Salix planifolia-pulchra
3
0
8
8
Petasites frigidus
1
0
4
Sphagnum sp.
13
Empetrum nigrum
5
0
1
7
6
5
Vaccinium uliginosum
5
8
3
0
0
17
5
Arctostaphylos rubra
2
0
0
1
1
1
Peltigera aphthosa
1
2
1
0
0
3
2
Picea mariana
6
3
0
5
5
1
22
53
Vaccinium vitis-idaea
5
1
0
3
5
15
10
11
12
Polytrichum sp.
3
4
9
2
5
5
6
7
5
Picea glauca
3
0
2
3
1
24
35
27
5
Hylocomium splendens
4
18
47
52
16
22
8
7
Geocaulon lividum
2
3
2
5
5
Ledum groenlandicum
6
1
0
9
9
20
Cornus canadensis
3
1
1
1
1
11
9
Pleurozium schreberi
21
17
6
2
5
1
13
Alnus crispa
5
3
1
16
23
58
15
Betula papyrifera
2
3
10
4
44
69
32
Linnaea borealis
1
0
1
1
1
8
13
Lycopodium annotinum
1
0
4
1
2
1
Epilobium angustifolium
1
0
0
1
1
1
6
Populus tremuloides
1
1
1
1
0
37
31
Spiraea beauverdiana
0
1
5
0
Viburnum edule
0
0
8
9
1
Mertensia paniculata
0
0
0
1
1
4
Dicranum sp.
2
1
0
4
3
1
1
1
Calamagrostis canadensis
1
1
13
1
20
20
5
Rosa acicularis
0
0
9
4
11
2
14
Shepherdia canadensis
2
8
2
1
Galium boreale
0
1
1
5
Delphinium glaucum
0
3
Elymus innovatus
19
Artemisia frigida
3
Pulsatilla patens
3
Arabis sp.
2
Erigeron glabellus
3
Erigeron pumilus
2
Minuartia obtusoloba
2
Sample size
2
3
9
8
9
5
9
10
10
2
48
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