Polifolia: Answers to key questions in Flora of Alberta leading to this species. 

	leaves 2-4 cm long; NOT [leaves 1-2 cm long]
	leaves usually more than twice as long as wide; NOT [leaves usually less than twice as long as wide]
	plants mostly more than 30 cm tall; NOT [plants 10-20 cm tall]

Kalmia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 

	stems erect; NOT [stems prostrate to decumbent or creeping]
	leaves opposite; NOT [leaves alternate]
	leaves white glaucous below
	leaves not scaly resinous below
	leaves not rusty tomentose below
	flowers pink; NOT [flowers white]
	petals more or less united; NOT [petals free]
	corolla rotate; NOT [corolla urn-shaped]
	corolla 6-12 mm across; NOT [corolla 5-7 mm long]
	stamens 10; NOT [stamens 5]
	anthers awnless; NOT [anthers awned]
	ovary superior; NOT [ovary inferior]

Ericaceae: Answers to key questions in Budd's Flora leading to this family.  Note all the answers do not apply to all members of Ericaceae, but they all do apply to Kalmia. 

	large shrubs; NOT [dwarf shrubs], NOT [trees with pinnately compound leaves], NOT [herbs]
	leaves opposite or whorled; NOT [leaves alternate]
	stems bearing few to several flowers; NOT [stems bearing a solitary flower]
	flowers with two floral rings
	petals wholly or partly united forming a tube or bell
	stamens 5-10; NOT [stamens 2]
	ovary superior; NOT [ovary inferior]
	fruit a capsule; NOT [fruit fleshy]