@book{286086,
	author = {Nowicke, Joan W., and Skvarla, John J., and Smithsonian Institution.},
	title = {Pollen morphology and the relationship of the Plumbaginaceae, Polygonaceae, and Primulaceae to the order Centrospermae /},
	publisher = {Smithsonian Institution Press,},
	year = {1977.},
	series = {Smithsonian contributions to botany ;},
	address = {City of Washington :},
	note = {CRDP Program record.},
	url = {https://purl.fdlp.gov/GPO/gpo113567}
}