This document discusses the AfroWeeds project, which aims to consolidate knowledge about weeds that affect rice production in Africa. Rice is a major crop on the continent but weed problems cause significant yield losses. The project will create a centralized online knowledge base and identification tools about rice weeds in Africa. It will also disseminate best management practices through extension workers. Participating countries include Benin, Senegal, Mali, Burkina Faso, Cote d'Ivoire, Ghana, Nigeria, Chad, Niger, Guinea, Kenya, Tanzania, Uganda, Mozambique and Madagascar. The expected outputs are an established network, a functional website with the knowledge base, a computer identification tool,