@article {PCE:PCE1706,
	title = {The functional significance of C3{\textendash}C4 intermediate traits in Heliotropium L. (Boraginaceae): gas exchange perspectives},
	journal = {Plant, Cell \& Environment},
	volume = {30},
	number = {10},
	year = {2007},
	pages = {1337{\textendash}1345},
	publisher = {Blackwell Publishing Ltd},
	doi = {10.1111/j.1365-3040.2007.01706.x},
	url = {http://dx.doi.org/10.1111/j.1365-3040.2007.01706.x},
	author = {Vogan, P. J. and Frohlich, M. W. and Sage, R. F.}
}
