Common Toadflax on a danish beachside. || If you like this picture, feel free to leave a comment. It will make me very happy :) || Linaria vulgaris (common toadflax, yellow toadflax, or butter-and-eggs) is a species of toadflax (Linaria), native to most of Europe and northern Asia, from the United Kingdom south to Spain in the west, and east to eastern Siberia and western China. It has also been introduced and is now common in North America. (Source: wikipedia) flor toadflux amarillo Common Toadflax