Blue Toadflax

Blue Toadflax (Old-field Toadflax)
Nuttallanthus canadensis (Linaria canadensis) ...

Oldfield Toadflax, Blue Toadflax, Toadflax,Oldfield
Species:
Linaria canadensis ...

Blue Toadflax [English]: Nuttallanthus texanus
Blue Toadflax [English]: Nuttallanthus canadensis
Blue Tree Tobacco [English]: Nicotiana glauca 'Salta Blues'
Blue Troll Hosta [English]: Hosta 'Blue Troll'
Blue Trumpet [English]: Ruellia australis ...

Among the other toadflaxes (genus Linaria) is the well-known American species, blue toadflax.

See also: Toadflax, Medic, Buckeyes, Black Ash, Striped Maple