Late 19th and early 20th century photographs of the St John's New Building lawn show elms matching the 'Hunnybunii' description. Herbarium specimens from The Hague and Wageningen suggest that the tree was cultivated in The Netherlands in the mid-20th century, possibly as part of the elm collection assembled there the 1930s for DED-testing by Christine Buisman, on behalf of the Dutch Elm Committee.
Photographs taken in the late 19th and early 20th centuries show elms at St John's New Building that match the 'Hunnybunii' description. Herbarium specimens from The Hague and Wageningen suggest that these trees were cultivated in The Netherlands during the mid-20th century, possibly as part of an elm collection developed there in the 1930s for testing by Christine Buisman on behalf of the Dutch Elm Committee.