It was listed by Loddiges (1830) as Ulmus nigra, and described by Loudon in Arboretum et Fruticetum Britannicum (1838), as Ulmus montana nigra. 'Nigra' is not mentioned in either Elwes and Henry's or Bean's classic works on British trees.
The classification of Ulmus nigra was initially supported by Loddiges (1830) and later described by Loudon in Arboretum et Fruticetum Britannicum (1838), with the specific name Ulmus montana nigra. However, 'nigra' is not referenced in Elwes and Henry's or Bean's authoritative accounts of British tree species.