Hudson Bay Trout Pond, 1.5 Miles East of Hudson Bay
The corolla contains a two-lobed upper lip and a three-lobed lower lip. Each of the three lobes of the lower lip contains smaller lobes. There are four anther-bearing stamens and no sterile stamens. Two of the four anthers are equipped with an awn.
Euphrasia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus.
Osmorhiza: Answers to key questions in Budd's Flora leading to this family.