Dwarf arctic birch Betula nana Location: Mt. Healy Trail, Denali National Park, AK Year: 2009 Merckdigitals catalogue number: 05-71696 Comments:

Dwarf arctic birch Betula nana Location: Sanctualry river rest stop, Denali National Park, AK Year: 2011 Merckdigitals catalogue number: 05-76783 Comments:

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