@article {22,
	title = {Plantae Colombianae XII De Plantis Principaliter Amazoniae Colombianae Investigationes},
	journal = {Botanical Museum Leaflets},
	volume = {14},
	year = {1949},
	chapter = {21},
	author = {Schultes, Richard Evans}
}
@article {52,
	title = {Spermatophytes, Mostly Peruvian - IV},
	journal = {Publications of the Field Museum of Natural History, Botanical Series},
	volume = {11},
	year = {1931},
	author = {Macbride, James Francis}
}
