@book {24,
	title = {Vascular Plants of Continental Northwest Territories, Canada},
	year = {1980},
	publisher = {National Museums of Canada},
	organization = {National Museums of Canada},
	address = {Ottawa},
	isbn = {0-660-00119-5},
	author = {Porsild, A. E. and Cody, W. J.}
}
@book {19,
	title = {Illustrated Flora of the Canadian Arctic Archipelago},
	series = {National Museum of Canada Bulletin},
	year = {1957},
	publisher = {National Museum of Canada},
	organization = {National Museum of Canada},
	edition = {146},
	address = {Ottawa},
	author = {Porsild, A. E.}
}
