Arizona cottontop References Arizona cottontop plant Ask Anything Homework Help Also known as: Digitaria californica Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: crabgrassArizona cottontop (D. californica) is a useful forage grass in southwestern North America. Read MoreArizona cottontop (D. californica) is a useful forage grass in southwestern North America. Read More