Nucleotide Sequences
| betula nana subsp. exilis | Canada: Yukon Territory, Buckland Hills, Ivvavik National Park. Buckland Hills, NW part | 459927356 | ||
| betula nana subsp. exilis | Canada: Yukon Territory, Old Crow, Porcupine River Terrace | 459927358 | ||
| betula nana subsp. exilis | Canada: Yukon Territory, Beaufort Sea, Herschel Island | 459991666 | ||
| betula nana subsp. exilis | Canada: Yukon Territory, Old Crow, Porcupine River Terrace | 459991668 |