Foto n. 13341 - Gladiolo piemontese (Gladiolus imbricatus)
Otto Wilhelm Thomé: Flora von Deutschland, Österreich und der Schweiz (1885) - Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
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Foto n. 58862 - Gladiolo piemontese (Gladiolus imbricatus)
Jacob Sturm, Johann Georg Sturm - Deutschlands Flora in Abbildungen (1796). - This image is in the public domain because its copyright has expired.
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Foto n. 296794 - Gladiolo piemontese (Gladiolus imbricatus)
Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License
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