Alaska Arctic Table 1. Plant Community Names

 

Community Number and NameBioclimate SubzonesFloristic ProvinceMesotopic Grad-
ient Position		Substrate Chemistry
 
1. Luzula confusa-Sphaerophorus globosus C Northern Alaska Dry exposed site Acidic
2. Carex aquatilis-Saxifraga cernua C Northern Alaska Moist site Acidic
3. Luzula confusa-Poa arctica C Northern Alaska Moist site Acidic
4. Eriophorum angustifolium-Carex aquatilis subtype Dupontia fisheri C Northern Alaska Wet site Acidic
5. Salix rotundifolia-Cetrariella delisei C Northern Alaska Snowbed, early-melting Acidic
6. Phippsia algida-Saxifraga rivularis C Northern Alaska Snowbed, late-melting Acidic
7. Equisetum arvense-Cochlearia groenlandica C Northern Alaska Snowbed, late-melting Acidic
8. Dryas integrifolia-Ochrolechia frigida C Northern Alaska Dry exposed site Nonacidic
9. Carex aquatilis-Dryas integrifolia C Northern Alaska Moist site Nonacidic
10. Eriophorum angustifolium-Carex aquatilis subtype Dupontia fisheri C Northern Alaska Wet site Nonacidic
11. Cassiope tetragona-Dryas integrifolia subtype Depauperate C Northern Alaska Snowbed, early-melting Nonacidic
12. Chamerion latifolium-Artemisia arctica C Northern Alaska Riparian site, active Nonacidic
13. Dryas integrifolia-Diapensia lapponica D Northern Alaska Dry exposed site Acidic
14. Salix phlebophylla-Arctous alpina (?) D Northern Beringian Islands Dry exposed site Acidic
15. Cladina stellaris-Salix arctica D Northern Beringian Islands Dry exposed site Acidic
16. Eriophorum vaginatum-Sphagnum spp. subtype Sphagnum compactum D Northern Alaska Moist site Acidic
17. Eriophorum vaginatum-Sphagnum spp. subtype Ledum decumbens D Beringian Alaska Moist site Acidic
18. Calamagrostis canadensis-Rubus arcticus (?) D Northern Beringian Islands Moist site Acidic
19. Carex microchaeta-Sphagnum sp. D Northern Beringian Islands Moist site Acidic
20a. Carex aquatilis-Eriophorum angustifolium subtype Sphagnum sp. D Northern Alaska Wet site Acidic
20b. Carex aquatilis-Eriophorum angustifolium subtype Sphagnum sp. D Beringian Alaska Wet site Acidic
20c. Carex aquatilis-Eriophorum angustifolium subtype Sphagnum sp. D Northern Beringian Islands Wet site Acidic
21. Cassiope tetragona-Dryas integrifolia subtype Tanacetum bipinnatum D Northern Alaska Snowbed, early-melting Acidic
22. Salix alaxensis-Tanacetum bipinnatum D Northern Alaska Riparian site, stable Acidic
23. Salix pulchra-Hylocomium splendens D Beringian Alaska Riparian site, stable Acidic
24. Dryas integrifolia-Carex rupestris D Northern Alaska Dry exposed site Nonacidic
25. Dryas integrifolia-Oxytropis nigrescens (?) D Beringian Alaska Dry exposed site Nonacidic
26. Dryas octopetala-Rhododendron camtschaticum D Beringian Alaska Dry exposed site Nonacidic
27a. Carex bigelowii-Dryas integrifolia subtype Carex membranacea D Northern Alaska Moist site Nonacidic
27b. Carex bigelowii-Dryas integrifolia subtype Carex membranacea D Beringian Alaska Moist site Nonacidic
28. Salix phlebophylla-Luzula confusa (?) D Northern Beringian Islands Moist site Nonacidic
29. Carex aquatilis-Eriophorum angustifolium subtype Drepanocladus brevifolius D Northern Alaska Wet site Nonacidic
30. Cassiope tetragona-Dryas integrifolia subtype typical D Northern Alaska Snowbed, early-melting Nonacidic
31. Salix rotundifolia-Sanionia uncinatus subtype Cardamine digitata D Northern Alaska Snowbed, late-melting Nonacidic
32. Chamerion latifolium-Artemisia arctica D Northern Alaska Riparian site, active Nonacidic
33. Salix richardsonii-Anemone parviflora subtype Salix richardsonii D Northern Alaska Riparian site, stable Nonacidic
34. Dryas integrifolia-Lupinus arcticus D Northern Alaska Riparian site, stable Nonacidic
35. Salix phlebophylla-Vaccinium uliginosum E Northern Alaska Dry exposed site Acidic
36. Dryas octopetala-Carex scirpoidea E Northern Alaska Dry exposed site Acidic
37. Dryas octopetala-Selaginella sibirica E Northern Alaska Dry exposed site Acidic
38. Salix phlebophylla-Arctous alpina E Northern Alaska Dry exposed site Acidic
39. Loiseleuria procumbens-Rhododendron camtschaticum E Beringian Alaska Dry exposed site Acidic
40. Dryas integrifolia-Empetrum nigrum (?) E Beringian Alaska Dry exposed site Acidic
41a. Eriophorum vaginatum-Sphagnum spp. subtype Eriophorum vaginatum E Northern Alaska Moist site Acidic
41b. Eriophorum vaginatum-Sphagnum spp. subtype Eriophorum vaginatum E Beringian Alaska Moist site Acidic
42. Eriophorum vaginatum-Sphagnum spp. subtypes Betula nana and Salix pulchra E Northern Alaska Moist site Acidic
43. Ledum decumbens-Rubus chamaemorus E Northern Alaska Moist site Acidic
44a. Betula nana-Salix pulchra E Northern Alaska Moist site Acidic
44b. Betula nana-Salix pulchra E Beringian Alaska Moist site Acidic
45. Alnus viridis-Boschniakia rossica subtype Carex bigelowii (alder savannas) E Northern Alaska Moist site Acidic
46. Eriophorum vaginatum-Sphagnum spp. subtype Chamerion angustifolium E Beringian Alaska Moist site Acidic
47. Eriophorum vaginatum-Sphagnum spp. subtype Cladina rangiferina E Beringian Alaska Moist site Acidic
48. Betula nana-Cladina rangiferina subtype Ledum decumbens (?) E Beringian Alaska Moist site Acidic
49. Betula nana-Cladina rangiferina subtype Salix fuscescens (?) E Beringian Alaska Moist site Acidic
50. Betula nana-Eriophorum vaginatum E Beringian Alaska Moist site Acidic
51. Alnus viridis-Boschniakia rossica subtype Dryopteris expansa (?) E Beringian Alaska Moist site Acidic
52. Carex rotundata-Sphagnum orientale E Northern Alaska Wet site Acidic
53. Carex rotundata-Salix fuscescens subtype Sphagnum lenense E Northern Alaska Wet site Acidic
54. Carex aquatilis-Eriophorum scheuchzeri / Ledum decumbens-Sphagnum spp. complex E Beringian Alaska Wet site Acidic
55. Carex ramenskii-C. lyngbyaei E Beringian Alaska Wet site Acidic
56. Carex aquatilis-C. rariflora / Empetrum nigrum-Sphagnum spp. complex E Beringian Alaska Wet site Acidic
57. Carex aquatilis-Eriophorum angustifolium subtype Carex rostrata E Beringian Alaska Wet site Acidic
58. Carex aquatilis-Eriophorum angustifolium subtype Sphagnum spp. E Beringian Alaska Wet site Acidic
59. Carex aquatilis-Betula nana E Beringian Alaska Wet site Acidic
60. Andromeda polifolia-Sphagnum balticum E Beringian Alaska Wet site Acidic
61. Carex aquatilis-C. glareosa / Salix fuscescens-Sphagnum balticum complex (?) E Beringian Alaska Wet site Acidic
62. Cassiope tetragona-Carex microchaeta E Northern Alaska Snowbed, early-melting Acidic
63. Salix rotundifolia subtype Ranunculus nivalis E Northern Alaska Snowbed, late-melting Acidic
64. Cassiope tetragona-Loiseleuria procumbens E Beringian Alaska Snowbed, early-melting Acidic
65. Salix pulchra-Valeriana capitata E Northern Alaska Riparian site, stable Acidic
66. Salix alaxensis-Chamerion latifolium subtype Parnassia kotzebui E Northern Alaska Riparian site, stable Acidic
67. Alnus viridis-Boschniakia rossica subtype Salix richardsonii (?) E Northern Alaska Riparian site, stable Acidic
68. Salix pulchra-Hylocomium splendens E Beringian Alaska Riparian site, stable Acidic
69. Salix alaxensis-Chamerion latifolium subtype Parnassia kotzebui E Beringian Alaska Riparian site, stable Acidic
70. Alnus viridis-Boschniakia rossica subtype Dryopteris expansa (?) E Beringian Alaska Riparian site, stable Acidic
71. Dryas octopetala-Selaginella sibirica (?) E Northern Alaska Dry exposed site Nonacidic
72. Carex rupestris-C. scirpoides E Northern Alaska Dry exposed site Nonacidic
73. Dryas octopetala-Rhododendron camtschaticum E Beringian Alaska Dry exposed site Nonacidic
74. Umbilicaria spp.-Rhizocarpon geographicum E Beringian Alaska Dry exposed site Nonacidic
75a. Carex bigelowii-Dryas integrifolia subtype Carex membranacea E Northern Alaska Moist site Nonacidic
75b. Carex bigelowii-Dryas integrifolia subtype Carex membranacea E Beringian Alaska Moist site Nonacidic
76. Betula nana-Salix pulchra E Beringian Alaska Moist site Nonacidic
77. Carex aquatilis-Eriophorum angustifolium subtype Carex chordorrhiza E Northern Alaska Wet site Nonacidic
78. Puccinellia phryganodes-Carex ramenskii E Beringian Alaska Wet site Nonacidic
79. Cassiope tetragona-Dryas integrifolia subtype Novosieversia glaciale E Northern Alaska Snowbed, early-melting Nonacidic
80. Salix rotundifolia subtype Ranunculus nivalis E Northern Alaska Snowbed, late-melting Nonacidic
81. Carex bigelowii-Dryas integrifolia subtype Equisetum arvense E Beringian Alaska Snowbed, early-melting Nonacidic
82. Chamerion latifolium-Artemisia arctica E Northern Alaska Riparian site, active Nonacidic
83. Dryas integrifolia-Lupinus arcticus E Northern Alaska Riparian site, stable Nonacidic
84. Salix alaxensis-Chamerion latifolium subtype Parnassia kotzebui E Northern Alaska Riparian site, stable Nonacidic
85. Alnus viridis-Boschniakia rossica subtype Salix richardsonii (?) E Northern Alaska Riparian site, stable Nonacidic

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Last modified: October 26, 2012