What does this number measure?
A tiny floating plant that can cover the surface of still water. Displayed dimension: representative width of a frond.
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.
Botanical illustration of a duckweed frond, viewed from above; texture and colour are interpreted, not photographic.