Question: Ulmus × diversifolia, also known as the Diverse Leaved Elm, he recorded its distribution in which county town of Hertfordshire, England, and is also a civil parish in the East Hertfordshire district of the county?
Sentence (from "Ulmus × diversifolia"): Ulmus × diversifolia, also known as the Diverse Leaved Elm, was originally described by Melville in 1939 as a new species, "U. diversifolia", though he later believed it a natural hybrid of Coritanian elm, Plot elm and Wych elm.
Relevant evidence: No