Drosera rotundifolia
l 
Round-Leaved Sundew

Ovary

Greenbush Bog, 20 km West of Hudson Bay, SK on Highway #3
22-July-2019

Flora of North America states that D. rotundifolia is found on sphagnum hummocks, D. anglica is found more often around bases of hummocks and on fen margins, and D. linearis is found on open marl.

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Rotundifolia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 
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leaf blades almost round or broader than long; NOT [leaf blades much longer than broad]