@book {20270,
	title = {Lexicon generum phanerogamarum},
	year = {1902},
	publisher = {Wretmann [Typis Wretmanianis]},
	organization = {Wretmann [Typis Wretmanianis]},
	address = {Uppsala [Upsaliae]},
	url = {http://www.biodiversitylibrary.org/item/119562$\#$page/1/mode/1up},
	author = {Post, Tom von and Kuntze, Otto}
}
@article {20262,
	title = {Undescribed plants from Guatemala and other Central American Republics. XXIII.},
	journal = {Botanical Gazette},
	volume = {33},
	year = {1902},
	pages = {249-262},
	chapter = {249},
	url = {http://www.biodiversitylibrary.org/item/95489$\#$page/343/mode/1up},
	author = {Donnell-Smith, John}
}
@book {20268,
	title = {Primitiae Florae Portobellensis},
	series = {Svenska Vetenskapsakademiens Handlingar},
	volume = {1854},
	year = {1856},
	publisher = {Svenska Vetenskapsakademien},
	organization = {Svenska Vetenskapsakademien},
	address = {Stockholm},
	url = {http://www.biodiversitylibrary.org/item/37162$\#$page/3/mode/1up},
	author = {Beurling, Pehr J.}
}
@article {20266,
	title = {Flora of Costa Rica, Part II},
	journal = {Field Museum of Natural History, Botanical series},
	volume = {18},
	year = {1937},
	month = {10/1937},
	pages = {401-780},
	chapter = {401},
	url = {http://www.biodiversitylibrary.org/item/19747$\#$page/9/mode/1up},
	author = {Standley, Paul C.}
}
@article {20260,
	title = {Studies of American spermatophytes - I},
	journal = { Contributions from the University of Michigan Herbarium},
	volume = {6},
	year = {1941},
	pages = {3-64},
	chapter = {3},
	url = {http://www.biodiversitylibrary.org/item/46656$\#$page/7/mode/1up},
	author = {Lundell, Cyrus L.}
}
