Yellow Starthistle: Flower
Cindy Roche
Invasive.org
1 of 4

Downy Brome (cheatgrass): Features; ligule
Fred Fishel, University of Missouri
Invasive.org
2 of 4

Juniper covers the high deserts of the West.
Marcus Kauffman-Sustainablenorthwest.org
3 of 4

Wild Boar (Feral Hogs): Wild Boar, Management
Billy Higginbotham, Texas AgriLife Extension Service
Invasive.org
4 of 4