@article {8014,
	title = {South American species of Lepidium},
	journal = {Lilloa},
	volume = {11},
	year = {1945},
	month = {1945///},
	pages = {75 - 134},
	author = {C.L. Hitchcock}
}
@article {6923,
	title = {A revision of the genus Schkuhria},
	journal = {Ann. Missouri Bot. Gard},
	volume = {32},
	year = {1945},
	month = {1945///},
	pages = {265 - 278},
	author = {C.B. Heiser}
}
