@article {tolke_leaf_2015,
	title = {Leaf anatomy of six species of Heliotropiaceae Schrad. from the Brazilian semi-arid region},
	journal = {Biotemas},
	volume = {28},
	number = {3},
	year = {2015},
	pages = {1{\textendash}13},
	doi = {10.5007/2175-7925.2015v28n3p1},
	url = {https://periodicos.ufsc.br/index.php/biotemas/article/view/2175-7925.2015v28n3p1},
	author = {T{\"o}lke, Elisabeth and Carmello-Guerreiro, Sandra Maria and Melo, Jos{\'e} Iranildo Miranda De}
}
