Forestry Research Institute of Nigeria (FRIN) is the Nigerian Government agency that is responsible for forestry research. It is headquartered inJericho Ibadan. FRIN was established as the Federal Department of Forestry Research in 1954. The Institute’s Decree 35 of 1973 and order establishing Research Institute of 1977 changed the status of the Department to an institute. It is supervised by the Federal Ministry of Environment, but the only Research Institute of the Ministry. The index herbarium code for the herbarium associated with FRIN is FHI.