- Cassiar District, Omineca Mountains, Swannell Range, south side of Asitka Peak1
- Central Yukon District, by the Tolovana River at junction of Olive Creek1
- Central Yukon district, by Tolovana River at junction of Olive Creek1
- Charlevoix1
- Cheboygan1
- Chestnut Ridge, east of Highlands1
- Chickenbone Lake Outlet, Isle Royale1
- Climax1
- Cochrane1
- Colchester1
- Contact UM Herbarium1
- Cook1
- Delhi, below1
- Delhi, near1
- East branch of Spring Valley, Missouri Botanical Garden Arboretum, Gray Summit1
- Elgin1
- Emmet1
- Fairbanks, Near Chena River1
- Fall Brook1
- Flathead1