Foto n. 64373 - Poligono anfibio (Polygonum amphibium)
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
File size: 54804 bytes - Views: 850

Foto n. 61244 - Poligono anfibio (Polygonum amphibium)
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.
File size: 30405 bytes - Views: 878

Foto n. 12261 - Poligono anfibio (Polygonum amphibium)
Picture modified from Richard Wettstein - Handbuch der Systematischen Botanik (1924) - 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'.
File size: 74340 bytes - Views: 819

Foto n. 71827 - Poligono anfibio (Polygonum amphibium)
Steve Hurst - USDA-NRCS PLANTS Database - Not copyrighted image
File size: 77988 bytes - Views: 866

Foto n. 45148 - Poligono anfibio (Polygonum amphibium)
Walter Hood Fitch - Illustrations of the British Flora (1924) - 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".
File size: 33790 bytes - Views: 822

Foto n. 71830 - Poligono anfibio (Polygonum amphibium)
USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. - Not copyrighted image
File size: 36592 bytes - Views: 829

Foto n. 71829 - Poligono anfibio (Polygonum amphibium)
USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. - Not copyrighted image
File size: 32105 bytes - Views: 830

Foto n. 26364 - Poligono anfibio (Polygonum amphibium)
Jan Kops et al. - Flora Batava - 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".
File size: 46959 bytes - Views: 852

Foto n. 59128 - Poligono anfibio (Polygonum amphibium)
Jacob Sturm, Johann Georg Sturm - Deutschlands Flora in Abbildungen (1796). - This image is in the public domain because its copyright has expired.
File size: 51664 bytes - Views: 882

Foto n. 71826 - Poligono anfibio (Polygonum amphibium)
Ray Schulenberg - USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
File size: 40896 bytes - Views: 874