# List of elm species
## Ulmus subgenera and sectional classification

Classification of Ulmus is based primarily on Whittemore et al 2021. Previous Ulmus classifications include Wiegrefe et al 1994, and Melville & Heybroek 1971.
* Subgenus Indoptelea
** Ulmus villosa - marn or cherry bark elm
* Subgenus Oreoptelea
** U. section Blepharocarpus
*** Ulmus americana - American elm, white elm
*** Ulmus laevis - European white elm, fluttering elm, spreading elm, (US) Russian elm
**** Ulmus laevis var. celtidea
**** Ulmus laevis var. laevis
**** Ulmus laevis var. parvifolia
**** Ulmus laevis var. simplicidens
** U. section Chaetoptelea
*** Ulmus alata - winged elm, Wahoo
*** Ulmus crassifolia - cedar elm
*** Ulmus elongata - long raceme elm
*** Ulmus ismaelis
*** Ulmus mexicana - Mexican elm
*** Ulmus serotina - September elm
*** Ulmus thomasii - rock elm, cork elm
* Subgenus Ulmus
** U. section Foliaceae
*** Ulmus castaneifolia - chestnut-leafed elm, multi-nerved elm
*** Ulmus changii - Hangzhou elm
**** Ulmus changii var. changii
**** Ulmus changii var. kunmingensis
*** Ulmus chenmoui - Chenmou elm, Langya Mountain elm
*** Ulmus chumlia
*** Ulmus davidiana - David Elm, Father David's elm
**** Ulmus davidiana var. davidiana
**** Ulmus davidiana var. japonica - Japanese elm, Wilson's elm
*** Ulmus harbinensis - Harbin elm
*** Ulmus microcarpa - Tibetan elm
*** Ulmus minor - field elm
**** Ulmus minor subsp. canescens - grey elm, grey-leafed elm, hoary elm
**** Ulmus minor var. italica - Mediterranean elm
*** Ulmus prunifolia - cherry-leafed elm
*** Ulmus pumila - Siberian elm
*** Ulmus szechuanica - Szechuan elm
** U. section Microptelea
*** Ulmus lanceifolia - Vietnam elm
*** Ulmus parvifolia - Chinese elm, lacebark elm
**** Ulmus parvifolia var. coreana - Korean lacebark elm
**** Ulmus parvifolia var. parvifolia
** U. section Trichocarpus
*** Ulmus glaucescens - Gansu elm
**** Ulmus glaucescens var. glaucescens
**** Ulmus glaucescens var. lasiocarpa
*** Ulmus lamellosa - Hebei elm
*** Ulmus macrocarpa - large-fruited elm
**** Ulmus macrocarpa var. glabra
**** Ulmus macrocarpa var. macrocarpa
** U. section Ulmus
*** Ulmus bergmanniana - Bergmann's elm
**** Ulmus bergmanniana var. bergmanniana
**** Ulmus bergmanniana var. lasiophylla
*** Ulmus glabra - wych elm, Scots elm
*** Ulmus laciniata - Manchurian elm, cut-leaf elm
**** Ulmus laciniata var. laciniata
**** Ulmus laciniata var. nikkoensis - Nikko elm
*** Ulmus rubra - slippery elm, red elm
*** Ulmus uyematsui - Alishan elm
*** Ulmus wallichiana - Himalayan elm, Kashmir elm
**** Ulmus wallichiana subsp. xanthoderma
**** Ulmus wallichiana subsp. wallichiana
** Section Incertae sedis
*** Ulmus gaussenii - Anhui elm
*** Ulmus pseudopropinqua - Harbin spring elm

### Extinct elms

* Fossil elms
** Ulmus affinis Lesquereux (syn= Ulmus californica Lesquereux)
** Ulmus braunii Heer
** Ulmus brownellii Lesquereux
** Ulmus carpinoides (Goeppert) emd Menzel
** Ulmus chaneyi Tanai & Wolfe
** Ulmus chuchuanus (Berry) LaMotte
** Ulmus fushunensis Wang, Manchester, Li, & Geng
** Ulmus minima Ward
** Ulmus minoensis Huzioka
** Ulmus miopumila Hu & Chaney
** Ulmus moorei Chaney & Elias
** Ulmus moragensis Axelrod nom. dubium
** Ulmus newberryi Knowlton
** Ulmus okanaganensis Denk & Dillhoff (subgenus Ulmus)
** Ulmus owyheensis Smith
** Ulmus paucidentata Smith
** Ulmus protojaponica Tanai & Onoe
** Ulmus pseudo-americana Lesquereux
** Ulmus pseudolongifolia Oishi & Huz
** Ulmus pyramidalis Goeppert
** Ulmus pseudopyramidalis Kvaček & Hably
** Ulmus rhamnifolia Ward
** Ulmus speciosa Newberry (syn= Ulmus tanneri Chaney)
** Ulmus stuchlikii Kohlman-Adamska, Ziembińska-Tworzydło, & Zastawniak
** Ulmus subparvifolia Nathorst
** Ulmus tenuiservis Lesquereux (syn= Ulmus montanensis Becker)
Ulmus eolaciniata was moved from Ulmus to the new combination Rubus eolaciniata by Tanai and Wolfe in 1977.