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Vegetation Map Unit Photos

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Barrens

1. B1. Cryptogam, herb barren [Circumpolar Arctic]

1. B2. Cryptogam barren complex (bedrock) [Circumpolar Arctic]
2. B2.1. Lichens on lava (Seward Peninsula) [Alaska Arctic]
3. B2.1. Lichens on lava (Seward Peninsula) [Alaska Arctic]

1. B3. Noncarbonate mountain complex [Circumpolar Arctic]
2. B3e.1. Acidic mountain complexes (Brooks Range) [Alaska Arctic]
3. B3e.2. Acidic mountain complexes (NW Alaska) [Alaska Arctic]
4. B3e.2. Acidic mountain complexes (NW Alaska) [Alaska Arctic]

1. B4. Carbonate mountain complex [Circumpolar Arctic]
2. B4e.1. Nonacidic mountain complexes (Brooks Range) [Alaska Arctic]
3. B4e.2. Nonacidic mountain complexes (NW Alaska) [Alaska Arctic]
4. B4e.2. Nonacidic mountain complexes (NW Alaska) [Alaska Arctic]

Erect-shrub tundras

1. S1. Erect dwarf-shrub tundra [Circumpolar Arctic]
2. S1.1. Shrubby tussock tundra (NE Alaska) [Alaska Arctic]
3. S1.1. Shrubby tussock tundra (NE Alaska) [Alaska Arctic]
4. S1.2. Dwarf-shrub, lichen tundra (NW Alaska) [Alaska Arctic]
5. S1.2. Dwarf-shrub, lichen tundra (NW Alaska) [Alaska Arctic]

1. S2. Low-shrub tundra [Circumpolar Arctic]
2. S2.1. Willow-birch tundra (entire map) [Alaska Arctic]
3. S2.1. Willow-birch tundra (entire map) [Alaska Arctic]
4. S2.1. Willow-birch tundra (entire map) [Alaska Arctic]
5. S2.1. Willow-birch tundra (entire map) [Alaska Arctic]
6. S2.2. Alder shrublands (entire map) [Alaska Arctic]
7. S2.2. Alder shrublands (entire map) [Alaska Arctic]

Graminoid tundras

1. G1. Rush/grass, forb, cryptogam tundra [Circumpolar Arctic]

1. G2. Graminoid, prostrate dwarf-shrub, forb tundra [Circumpolar Arctic]

1. G3. Non-tussock sedge, dwarf-shrub, moss tundra [Circumpolar Arctic]
2. G3.1. Moist nonacidic tundra (N. Arctic Coastal Plain) [Alaska Arctic]
3. G3.1. Moist nonacidic tundra (N. Arctic Coastal Plain) [Alaska Arctic]
4. G3.1. Moist nonacidic tundra (N. Arctic Coastal Plain) [Alaska Arctic]
5. G3.1. Moist nonacidic tundra (N. Arctic Coastal Plain) [Alaska Arctic]
6. G3.3. Moist nonacidic tundra (Arctic Foothills, Seward P.) [Alaska Arctic]
7. G3.3. Moist nonacidic tundra (Arctic Foothills, Seward P.) [Alaska Arctic]

1. G4. Tussock-sedge, dwarf-shrub, moss tundra [Circumpolar Arctic]
2. G4.1. Tussock tundra (entire map) [Alaska Arctic]
3. G4.2. Lichen-rich tussock tundra (Seward Peninsula) [Alaska Arctic]
4. G4.3. Tussock tundra on sands (Arctic Coastal Plain) [Alaska Arctic]
5. G4.3. Tussock tundra on sands (Arctic Coastal Plain) [Alaska Arctic]

Prostrate-shrub tundras

1. P1. Prostrate dwarf-shrub, herb tundra [Circumpolar Arctic]

1. P2. Prostrate/hemiprostrate dwarf-shrub tundra [Circumpolar Arctic]
2. P2.1. Dry tundra (St Matthew Island) [Alaska Arctic]
3. P2.1. Dry tundra (St Matthew Island) [Alaska Arctic]
4. P2.1. Dry tundra (St Matthew Island) [Alaska Arctic]

Wetlands

1. W1. Sedge/grass, moss wetland [Circumpolar Arctic]
2. W1.1. Wet acidic coastal complex (N. Alaska) [Alaska Arctic]
3. W1.2. Wet nonacidic coastal complex (N. Alaska) [Alaska Arctic]
4. W1.1. Wet acidic coastal complex (N. Alaska) [Alaska Arctic]
5. W1.2. Wet nonacidic coastal complex (N. Alaska) [Alaska Arctic]
6. W1.1. Wet acidic coastal complex (N. Alaska) [Alaska Arctic]

1. W2. Sedge, moss, dwarf-shrub wetland [Circumpolar Arctic]
2. W2.2. Wet nonacidic coastal complex (N. Alaska) [Alaska Arctic]
3. W2.2. Wet nonacidic coastal complex (N. Alaska) [Alaska Arctic]
4. W2.2. Wet nonacidic coastal complex (N. Alaska) [Alaska Arctic]

1. W3. Sedge, moss, low-shrub wetland [Circumpolar Arctic]
2. W3.5. Wet acidic complex (Nunivak I.) [Alaska Arctic]