- Lake Huron, Gore Bay1
- Leask Point, South Bay, Manitoulin Island1
- Little Current1
- Little Current.1
- Low Ground near Indian Village at South Bay, Manitoulin Island. Plants of the Island and Shore of Northern Lake Huron.1
- Manitoulin Island, Robinson Twp., Hwy. 540 jct with rd. to Silver Lake1
- Near Boom Point, Cockburn Island.1
- Near Cook's Bay, northern Lake Huron1
- Near Helen Bay, Manitoulin Island1
- Near Little Current1
- Near Tamarack Point1
- Near West Bay1
- Near dock, Cockburn Island.1
- Near mouth of stream at Wekwemikongsing, James Bay, Manitoulin Island.1
- On beach east side of French River Harbor, northwest part of Parry Sound.1
- On beach near Providence Bay, Manitoulin Island.1
- On hillside, Cockburn Island; northern Lake Huron1
- One mile N. of Green Bay (W. of Sheguiandah) Manitoulin Island1
- Providence Bay, Manitoulin Island, northern Lake Huron1
- Providence Bay, Manitoulin Island.1