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<strong>Modern Phytomorphology</strong>, [S.l.], v. 2, p. 237-241, apr. 2012.
ISSN 2227-9555.
Available at: &lt;<a href="http://ojs.phytomorphology.org/index.php/MP/article/view/427" target="_new">http://ojs.phytomorphology.org/index.php/MP/article/view/427</a>&gt;. Date accessed: 13 apr. 2018.
doi: <a href="https://doi.org/10.5281/zenodo.162667">https://doi.org/10.5281/zenodo.162667</a>.