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. 2018 Dec 14;7(4):110. doi: 10.3390/plants7040110

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Photomicrograph of transverse and longitudinal sections of stems from Phania matricarioides collected from different geographical localities in Cuba. (A–C): transverse sections; (D–F): longitudinal sections. PmB: collected in Bauta, Artemisa Province, Cuba; PmC: collected in Cangrejeras, Artemisa Province, Cuba; PmI: collected in gardens of the Faculty of Pharmacy and Foods, La Lisa, Havana Province, Cuba; FE: sclerenchyma fibres; E: epidermis; X: xylem; F: phloem; M: pith; VS: vascular system. Photographs were taken by the authors with an optical microscope at 10× magnification.