Harvard Papers in Botany is a peer-reviewed scientific journal published twice a year, in June and December. It covers all aspects of plants and fungi including longer monographs, floristics, economic botany, and the history of botany. Harvard Papers in Botany was initiated in 1989 to consolidate the following journals published by the Harvard University Herbaria: Starting with No. 8, Harvard Papers in Botany also incorporates these journals: * Journal of the Arnold Arboretum (Volumes 1–71, 1920–1990) * Journal of the Arnold Arboretum Supplementary Series (Number 1, 1991)