Arizona cottontop Directory References Discover What’s the Difference Between a Turtle and a Tortoise? 10 Best Hockey Players of All Time Secret Service Code Names of 11 U.S. Presidents 7 of History's Most Notorious Serial Killers 7 Deadliest Weapons in History Flags That Look Alike New Seven Wonders of the World Contents Arizona cottontop plant Also known as: Digitaria californica Learn about this topic in these articles:species of crabgrass In crabgrassArizona cottontop (D. californica) is a useful forage grass in southwestern North America.Read More