@article {20288,
	title = {Plantae Mexicanae Purpusianae, X},
	journal = {University of California Publications in Botany},
	volume = {7},
	year = {1920},
	month = {12/1920},
	pages = {325-331},
	chapter = {325},
	url = {http://www.biodiversitylibrary.org/item/24641$\#$page/393/mode/1up},
	author = {Brandegee, Townshend S.}
}
@article {20142,
	title = {Plantae Elmerianae Borneenses},
	journal = {University of California Publications in Botany},
	volume = {15},
	year = {1929},
	pages = {1-316},
	chapter = {1},
	author = {Merrill, Elmer D}
}
@article {18406,
	title = {Morphological and ontogenetic studies on Umbellularia californica Nutt. and Laurus nobilis L.},
	journal = {University of California Publications in Botany},
	volume = {25},
	year = {1951},
	pages = {115 -240},
	author = {Kasapligil, B.}
}
