Viviparous Lizard (Lacerta vivipara)
Caption: Brehm, Alfred Edmund; Boettger, Oskar; Pechuel-Loesche, Eduard - Brehms Tierleben. Allgemeine Kunde des Tierreichs. Kriechtiere und Lurche. (1892) - 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.

viviparous bistort (Polygonum viviparum)
Caption: 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. 1: 671.

viviparous bistort (Polygonum viviparum)
Caption: Bob Moseley - USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. - Not copyrighted image

viviparous bistort (Polygonum viviparum)
Caption: USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. - Not copyrighted image