Forest Herbarium Ibadan (FHI) is a repository of about 101000 specimens of vascular plants and cryptograms mainly from all parts of Nigeria and some other parts of the world. Forest Herbarium Ibadan is located in Taxonomy Section of the Department of Forest Conservation and Protection at the Forestry Research Institute of Nigeria, Ibadan. The sources of FHI materials are from Taxonomic activities such as collections during routine field exploration, flora projects and inventories. Other sources include specimens exchange from other herbaria (Nationally and Internationally), voucher specimen from scientists and research students and donations from private collectors. The objectives of FHI are to render Taxonomic services (Identification, Classification and Nomenclature), conserve and monitor the distribution and status of the flora of Nigeria through plant collection and botanical exploration of her regions and to encourage proper documentation of the flora. Today, FHI plays the role of a National herbarium in Nigeria. The dataset holds about 12,847 records of angiosperm collected between 1860 - 2017, and comprises 70 families, 405 genera, 1,659 species and about 2,500 images linked to data.