@article {macbride1917,
	title = {Further notes on the Boraginaceae},
	journal = {Contributions from the Gray Herbarium of Harvard University},
	volume = {49},
	year = {1917},
	pages = {16{\textendash}22},
	author = {Macbride, J. F.}
}
@article {475,
	title = {Certain Boraginaceae, new or transferred},
	journal = {Proceedings of the American Academy of Arts and Sciences},
	volume = {51},
	year = {1916},
	month = {1916///},
	pages = {541 - 548},
	keywords = {Heliotropium, Heliotropium jaliscense, Heliotropium rufipilum, Tournefortia},
	url = {http://www.biodiversitylibrary.org/page/8053910},
	author = {Macbride, J. F.}
}
@article {409,
	title = {Flora of Peru: Boraginaceae},
	journal = {Field Museum of Natural History, Botanical Series},
	volume = {13},
	year = {1960},
	month = {1960///},
	pages = {539 - 609},
	url = {http://www.biodiversitylibrary.org/page/2378956},
	author = {Macbride, J. F.}
}
