@article {higgins1979,
	title = {Boraginaceae of the southwestern United States},
	journal = {Western North American Naturalist},
	volume = {39},
	number = {4},
	year = {1979},
	note = {The borage Family Boraginaceae is treated for the southwestern United States. Treated are 18 genera, 113 species, and 24 varieties from Arizona, New Mexico, and the desert regions of southeastern California. A key to the genera and species is included along with detailed descriptions, distribution data, chromosome counts when known, and comments for many of the taxa. A proposed new combination is Plagiobothrys scouleri {(H.} \& A.) I. M. Johnston var. cusickii {(E.} L. Greene) Higgins.},
	pages = {293{\textendash}350},
	keywords = {Euploca, Euploca convolvulacea, Euploca fruticosa, Heliotropium, Heliotropium convolvulaceum, Heliotropium curassavicum, Heliotropium fruticosum, Heliotropium greggii},
	issn = {1527-0904},
	url = {https://ojs.lib.byu.edu/ojs/index.php/wnan/article/viewArticle/2373},
	author = {Higgins, Larry C.}
}
