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.Melville, R. & Heybroek, H. (1971). Elms of the Himalaya. Kew Bulletin, Vol. 26 (1). Kew, London.

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 (syn= Ulmus californica ) Ulmus braunii Ulmus brownellii Ulmus carpinoides Ulmus chaneyi Ulmus chuchuanus Ulmus fushunensis Ulmus minima Ulmus minoensis Ulmus miopumila Ulmus moorei Ulmus moragensis Ulmus newberryi Ulmus okanaganensis (subgenus Ulmus) Ulmus owyheensis Ulmus paucidentata Ulmus protojaponica Ulmus pseudo-americana Ulmus pseudolongifolia Ulmus pyramidalis Ulmus pseudopyramidalis Ulmus rhamnifolia Ulmus speciosa (syn= Ulmus tanneri ) Ulmus stuchlikii Ulmus subparvifolia Ulmus tenuiservis (syn= Ulmus montanensis )

Ulmus eolaciniata was moved from Ulmus to the new combination Rubus eolaciniata by Tanai and Wolfe in 1977.

See also List of elm cultivars, hybrids and hybrid cultivars

References

Further reading

Bean, W. J. (1981). Trees and shrubs hardy in Great Britain, 7th edition. Murray, London. Brasier, C. M. (1996). New horizons in Dutch elm disease control. Pages 20–28 in: Report on Forest Research, 1996. Forestry Commission. HMSO, London, UK.

Collin, E. (2001). Elm. In Teissier du Cros (Ed.) (2001) Forest Genetic Resources Management and Conservation. France as a case study. Ministry of Agriculture and Fisheries, Bureau of Genetic Resources. INRA DIC. France. Elwes, H. J. & Henry, A. (1913). The Trees of Great Britain & Ireland. Vol. VII. pp 1848–1929. Private publication Fu, L., Xin, Y. & Whittemore, A. (2002). Ulmaceae, in Wu, Z. & Raven, P. (eds), (2003). Flora of China, Vol. 5 (Ulmaceae through Basellaceae). Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, USA. Melville, R. & Heybroek, H. (1971). Elms of the Himalaya. Kew Bulletin, Vol. 26 (1). Kew, London. Richens, R. H. (1983). Elm. Cambridge University Press. Ware, G. (1995). Little-known elms from China: landscape tree possibilities. Journal of Arboriculture, (Nov. 1995). International Society of Arboriculture, Champaign, Illinois, US. .