@article {676,
	title = {Four new combinations in Argentinian Heliotropiaceae},
	journal = {Darwiniana, nueva serie},
	volume = {4},
	year = {2016},
	pages = {192{\textendash}194},
	doi = {10.14522/darwiniana.v4i2.717},
	url = {http://www.ojs.darwin.edu.ar/index.php/darwiniana/article/view/717},
	author = {Luebert, Federico and Frohlich, Michael W.}
}
@article {frohlich_appearance_1976,
	title = {Appearance of vegetation in ultraviolet light: Absorbing flowers, reflecting backgrounds},
	journal = {Science},
	volume = {194},
	number = {4267},
	year = {1976},
	pages = {839{\textendash}841},
	doi = {10.1126/science.194.4267.839},
	url = {http://www.sciencemag.org/content/194/4267/839},
	author = {Frohlich, Michael W.}
}
