Arizona cottontop Directory References Discover Cruel and Unusual Punishments: 15 Types of Torture 26 Decade-Defining Events in U.S. History Timeline of the American Civil Rights Movement 7 Deadliest Weapons in History Timeline of the 2000s 12 Greek Gods and Goddesses Inventors and Inventions of the Industrial Revolution Contents Ask the Chatbot a Question Arizona cottontop plant Ask the Chatbot a Question 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 Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.