The Provo City Forestry Division and the Provo City Energy Board shall maintain a list of rare or historic trees growing in Provo. These trees are unique from a historical and/or botanical perspective and may be of interest to other citizens. Trees recognized as such shall appear on the Heritage Tree List of Provo published by the Provo City Forestry Division. Citizens may nominate public or private trees for recognition. Nominated trees must be woody plants and must generally, be referred to as “trees.” A list of registry standards is available.