Genere Cynanchum (original) (raw)
Cynanchum acutum
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.
Cynanchum laeve
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 36.
Cynanchum laeve
Steve Hurst - USDA-NRCS PLANTS Database - Not copyrighted image
Cynanchum laeve
USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. - Not copyrighted image
Cynanchum louiseae
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 36.
Cynanchum vincetoxicum
C. Hoffmann - Botanischer Bilder-Atlas (1884) - This image is in the public domain because its copyright has expired.
Cynanchum vincetoxicum
Steve Hurst - USDA-NRCS PLANTS Database - Not copyrighted image
Cynanchum vincetoxicum
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.