Classification of Ulmus is based primarily on Whittemore et al 2021. [1] Previous Ulmus classifications include Wiegrefe et al 1994, [2] and Melville & Heybroek 1971. [3]
Ulmus eolaciniata was moved from Ulmus to the new combination Rubus eolaciniata by Tanai and Wolfe in 1977. [4]