Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla The Smooth-leafed Elm'' Ulmus minor'' var.'''minor'''Silvery Gem'wani nau'i ne mai mahimmanci.
Tabbas, mafi rikitarwa na jumla ita ce "The Smooth - leafed Elm'' Ulmus minor'' var.'' minor'' cultivar'Silvery Gem'yana da ganye tare da ba daidai ba amma sananne mai launin fata mai launin fata'' Hilliers'Manual of Trees & Shrubs '. "