What does this number measure?
A tree whose height varies greatly with age and environment. Displayed dimension: representative height.
Compare the stated dimensions
The comparison uses the number in each fact sheet: altitude, height, diameter, length or distance, depending on the reference. Two values in metres do not necessarily describe the same property.
Source and limitations
Catalogue value to check against the source; not individually audited.
Naturalistic illustration of an English oak; anatomy, texture and colouring are interpreted. This is not a photograph.