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

	plants with leaves in a basal rosette; NOT [plants with leafy stems]
	flowers borne singly; NOT [flowers in a raceme], NOT [plants with corymbose inflorescence]

Pyrolaceae: Answers to key questions in Budd's Flora  leading to this family.  Not all the answers apply to all members of this family, but they do all apply to M. uniflora. 

	herbs; NOT [shrubs or trees]
	terrestrial plants; NOT [mud plants with small axillary flowers], NOT [plants aquatic, leaves submerged or floating]
	plants NOT with colored milky juice
	plants with more than one normal leaf
	leaves opposite, whorled, or basal; NOT [some or all leaves alternate]
	plants WITHOUT large petal-like bracts
	flowers with two floral rings, and with each petal distinct from the others
	petals 5; NOT [petals 4 or 6]
	stamens 10; NOT [stamens 12]
	styles single; NOT [styles 2 or more]
	ovary superior; NOT [ovary inferior]