blue toadflax Directory References Discover Why Is It Called Black Friday? The Most Stolen Work of Art What’s the Difference Between a President and a Prime Minister? What’s the Difference Between Hispanic and Latino? Causes of the Great Depression Pro and Con: Abortion 10 Famous Artworks by Leonardo da Vinci Contents blue toadflax plant Also known as: Linaria canadensis, Nuttallanthus canadensis, old-field toadflax Learn about this topic in these articles:reclassification In toadflax…in the genus Nuttallanthus, including blue, or old-field, toadflax (N. canadensis, formerly L. canadensis), a delicate light blue flowering plant found throughout North America. Read More