Canadensis Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this species. 

	low undershrub; NOT [shrub or small tree]
	plant without thorns; NOT [plant bearing long thorns]
	leaves oval; NOT [leaves oblong]
	leaves green and nearly glabrous above, silvery below; NOT [leaves silvery on both sides]

Shepherdia: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this genus. 

	leaves opposite; NOT [leaves alternate]
	flowers unisexual (plant dioecious) ; NOT [flowers perfect]
	stamens 8; NOT [stamens 4]

Elaeagnaceae: Answers to key questions in Budd's Flora  leading to this family. 

	shrubs or trees; NOT [herbs]
	plants NOT climbing
	plants with erect stems; NOT [plants with decumbent stems]
	leaves simple; NOT [leaves pinnately compound]
	leaves wider; NOT [leaves linear, 2.5-7 mm long]
	leaves silver or brownish scurfy; NOT [leaves aromatic, not silvery or brownish scurfy]
	leaves deciduous; NOT [leaves evergreen]
	flowers with only one floral ring, with sepals but not petals
	flowers NOT in catkins or aments; NOT [male flowers, at least, in catkins or aments]
	fruit WITHOUT a feathery style; NOT [fruit with a persistent feathery style]
	fruit fleshy when ripe; NOT [fruit dry when ripe]