- Adirondack Region, Indian Pass, Heart Lake trail1
- Alaska Range District, Mt. Hayes Quadrangle, moraine of Canwell Glacier, Mile 211 on Richardson Highway, 24 miles NNW of Paxson1
- Alaska Range, muskeg 3 miles above confluence of Sanctuary and Taklanika River, foothills1
- Albany1
- Aleutian Chain, Amchitka Island (Rat Islands), northeast of Infantry Road on slope facing the Bering Sea at Chitka Cove1
- Algoma1
- Algonquin Park1
- Along Colville River, Umiat1
- Along South Fork of American River and Highway 50, 4 miles east of Whitehall1
- Along road 13, SW of Coggon1
- Along the Beatton River, mile 1011
- Anchorage1
- Angmagssalik distr., Paernakajit1
- Angmagssalik distr., Qârtuluk, Cassiope1
- Apache1
- Arizona1
- Axel Heiberg Island, north of Colour Lake1
- Baffin Island, Iqaluit, 1 km northwest of airport terminal along creek in deep ravine1
- Baffin Island, Perry Bay, Meta Incognita Peninsula1
- Baffin Island, north shore of Strathcona Sound1