The possible Field Elm cultivar U. minor 'Planifolia' was listed by Loudon in Arboretum et Fruticetum Britannicum (1838) as Ulmus campestris (:minor) var.

[1] Green opined that the species was uncertain.

[2] Loudon described the tree as "a handsome small tree, closely resembling U. campestris var.

An illustration appeared in volume 7 of Arboretum et Fruticetum Britannicum (1854).

'Planifolia' and 'Cucullata' were the only two of some sixty elms listed by Joseph Paxton in his Botanical Dictionary (1868) without cultivation locations, suggesting it was an uncommon elm.