Species, varieties, forms

• "Mountain elms": spring flowering; flowers subsessile; leaves usually rough above.
  • Ulmus bergmanniana - Bergmann's Elm
    • Ulmus bergmanniana var. bergmanniana
      Ulmus bergmanniana var. bergmanniana
      U. bergmanniana var. bergmanniana L. K. Fu is endemic to mountain slopes between 1500 m and 2600 m elevation in the provinces of Anhui, Gansu, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Shanxi, Sichuan, Yunnan, and Zhejiang.-Description:...
      
      
    • Ulmus bergmanniana var. lasiophylla
      Ulmus bergmanniana var. lasiophylla
      Ulmus bergmanniana var. lasiophylla C. K. Schneid. is endemic to China, on mountain slopes between 2100 m and 2900 m elevation in the provinces of Gansu, Shaanxi, north-west Sichuan, south-east Xizang , and north-west Yunnan....
      
      
  • Ulmus boissieri
    Ulmus boissieri
    Ulmus boissieri Grudz. is a little known species found in Iran, identified by Irina Grudzinskaya in 1977. The tree is endemic to the Zagros forests, with Quercus brantii, Celtis australis, Platanus orientalis, Fraxinus sp., and Cerasus mehaleb NB Richens treated U...
    
    
  • Ulmus castaneifolia - Chestnut-leafed Elm
  • Ulmus changii
    Ulmus changii
    Ulmus changii W. C. Cheng, occasionally known as the Hangzhou Elm, is a small deciduous tree found across much of China in forests at elevations of up to 1800 m. Owing to its increasing scarcity, U...
    
    
    • Ulmus changii var. changii
      Ulmus changii var. changii
      Ulmus changii var. changii L. K. Fu is endemic to elevations of between 200 m - 800 m in the provinces of Anhui, Fujian, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, and Zhejiang.-Description:...
      
      
    • Ulmus changii var. kunmingensis
      Ulmus changii var. kunmingensis
      Ulmus changii var. kunmingensis W. C. Cheng, occasionally referred to as the Kunming Elm, is endemic to montane forests at elevations of between 600 m and 1800 m in the provinces of Guangxi, Guizhou, Sichuan, and Yunnan.-Description:...
      
      
  • Ulmus chumlia
    Ulmus chumlia
    Ulmus chumlia Melville & Heybroek is a small deciduous tree endemic to the Himalaya from the Kashmir to central Nepal, and the provinces of Yunnan, Sichuan and Xizang in China. It is found in broadleaf forest on mountain slopes at elevations of between 1000 m and 3000 m.-Description:Very...
    
    
  • Ulmus elongata
    Ulmus elongata
    Ulmus elongata L. K. Fu & C. S. Ding , also known as the Long Raceme Elm in the USA, is a medium-sized deciduous tree endemic to broadleaved forests in the eastern provinces of China.-Description:The tree grows to a height of...
    
    
  • Ulmus gaussenii
    Ulmus gaussenii
    Ulmus gaussenii W. C. Cheng, the Anhui, or Hairy, Elm, is a medium deciduous tree whose natural range is restricted to the valleys of limestone mountains in Anhui Province, eastern China. U...
    
    - Anhui Elm
  • Ulmus glabra - Wych Elm, Scots Elm
  • Ulmus glaucescens - Gansu Elm
    • Ulmus glaucescens var. glaucescens
      Ulmus glaucescens var. glaucescens
      Ulmus glaucescens var. glaucescens L. K. Fu is endemic to mountain slopes at between 2000 m - 2400 m in the provinces of Gansu, Hebei, Henan, Liaoning, Nei Mongol, Ningxia, eastern Qinghai, Shaanxi, Shandong, and Shanxi.-Description:...
      
      
    • Ulmus glaucescens var. lasiocarpa
      Ulmus glaucescens var. lasiocarpa
      Ulmus glaucescens var. lasiocarpa Rehder, named the Hairy-fruited Glaucescent Elm in the USA, is found along rivers and mountain slopes at elevations between 2500 m - 2600 m in the provinces of Hebei, Henan, Liaoning, Nei Mongol, Ningxia, eastern Qinghai, and Shanxi.-Description:The variety is...
      
      
  • Ulmus laciniata - Manchurian Elm, Cut-leaf Elm
    • Ulmus laciniata var. laciniata
    • Ulmus laciniata var. nikkoensis
      Ulmus laciniata var. nikkoensis
      The Manchurian or Laciniate Elm Ulmus laciniata variety nikkoensis Rehder, commonly known as the Nikko Elm, was discovered as a seedling near Lake Chuzenji, near Nikkō, Japan, and obtained by the Arnold Arboretum in 1905. The taxonomy of the tree remains a matter of contention, and has been...
      
       - Nikko Elm
  • Ulmus lamellosa
    Ulmus lamellosa
    Ulmus lamellosa, commonly called the Hebei Elm, is a small deciduous tree native to four Chinese provinces, Hebei, Henan, Nei Mongol, and Shanxi, to the west and south of Beijing .-Description:...
    
    - Hebei Elm
  • Ulmus macrocarpa - Large-fruited Elm
    • Ulmus macrocarpa var. glabra
      Ulmus macrocarpa var. glabra
      Ulmus macrocarpa var. glabra Nie & Huang is restricted to mixed forest in the Chinese province of Heilongjang.-Description:The tree is distinguished by a "leaf blade subelliptic, smooth, with tufted hairs in vein axil, base oblique, apex acuminate to narrowly acuminate. Samara smooth, glabrous,...
      
      
    • Ulmus macrocarpa var. macrocarpa
      Ulmus macrocarpa var. macrocarpa
      Ulmus macrocarpa var. macrocarpa L. K. Fu is found on hillslopes and in valleys at elevations of between 700 m and 800 m in the Chinese provinces of Anhui, Gansu, Hebei, Heilongjang, Henan, Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, eastern Qinghai, Shaanxi, Shanxi, Shandong...
      
      
  • Ulmus mexicana
    Ulmus mexicana
    The Mexican Elm Ulmus mexicana Planch. is a large tree endemic to Mexico and Central America. It is most commonly found in cloud forest and the higher elevations of tropical rain forest with precipitation levels of between 2 m and 4 m per annum, ranging from San Luis Potosi south to Chiapas in...
    
    - Mexican Elm
  • Ulmus microcarpa
    Ulmus microcarpa
    Ulmus microcarpa L. K. Fu, known as the Tibetan Elm in the USA, remains one of the more obscure Chinese elms, endemic only to the broadleaved forests of the south-eastern corner of Xizang Province at altitudes of around 2800 m....
    
    
  • Ulmus prunifolia
    Ulmus prunifolia
    Ulmus prunifolia W. C. Cheng & L. K. Fu is a deciduous tree endemic only to the province of Hubei in central eastern China, where it is found at elevations of between 1000 m and 1500 m.-Description:The tree can reach...
    
    
  • Ulmus rubra
    Ulmus rubra
    Ulmus rubra, the Slippery Elm, is a species of elm native to eastern North America...
    
    - Slippery Elm, Red Elm
  • Ulmus uyematsui - Alishan Elm
  • Ulmus wallichiana - Himalayan Elm, Kashmir Elm
    • Ulmus wallichiana subsp. wallichiana
      Ulmus wallichiana subsp. wallichiana
      Ulmus wallichiana subsp. wallichiana Melville & Heybroek was identified by Melville and Heybroekafter the latter's expedition to the Himalaya in 1960.-Description:...
      
      
    • Ulmus wallichiana subsp. xanthoderma
      Ulmus wallichiana subsp. xanthoderma
      The elm, Ulmus wallichiana subsp. xanthoderma was identified by Melville and Heybroekafter the latter's expedition to the Himalaya in 1960. The tree is endemic to Afghanistan and the Kashmir.-Description:...
      
      
    • Ulmus wallichiana var. tomentosa
      Ulmus wallichiana var. tomentosa
      Ulmus wallichiana var. tomentosa was identified by Melville & Heybroek after the latter's expedition to the Himalaya in 1960.-Description:The tree is very similar to Ulmus wallichiana subsp...
      
      

• "Field elms": spring flowering; flowers subsessile; leaves usually smooth above.
  • Ulmus canescens
    Ulmus canescens
    Ulmus canescens Melville is a small deciduous tree occasionally known by the common names Grey Elm, Grey-leafed Elm, and Hoary Elm. Its natural range extends through the lands of the central and eastern Mediterranean, including the islands of Sicily, Malta, Crete and Cyprus, as far south as Israel,...
    
    - Grey Elm, Grey-leafed Elm, Hoary Elm
    • Ulmus canescens var. africans
    • Ulmus canescens var. canescens
  • Ulmus chenmoui - Chenmou Elm
  • Ulmus davidiana - David Elm, Father David's Elm
    • Ulmus davidiana var. davidiana
      Ulmus davidiana var. davidiana
      Ulmus davidiana var. davidiana was distinguished as a variety by L. K. Fu. The tree is restricted to the Chinese provinces of Hebei, Henan, Shaanxi and Shanxi .-Description:...
      
      
    • Ulmus davidiana var. japonica - Japanese Elm, Wilson's Elm
  • Ulmus harbinensis
    Ulmus harbinensis
    Ulmus harbinensis Nie & Huang, also known as the Harbin Elm, is a small elm found only in the province of Heilongjang in the northeastern extremity of China, where it occurs in mixed forest.-Description:...
    
    
  • Ulmus ismaelis
    Ulmus ismaelis
    Ulmus ismaelis Todzia & Panero is a small tree recently discovered in southern Mexico, endemic to riparian forest along the Mixteco River system in northeastern Oaxaca, where it grows among large boulders in the limestone canyons.-Description:...
    
    
  • Ulmus lanceifolia
  • Ulmus minor
    Field Elm
    Ulmus minor Mill., the Field Elm, is by far the most polymorphic of the European species, although its taxonomy remains a matter of contention. Its natural range is predominantly south European, extending to Asia Minor; its northern outposts are the Baltic islands of Öland and Gotland, although it...
    
    - Field Elm
    • Ulmus minor subsp. angustifolia - Cornish Elm
    • Ulmus minor subsp. minor
      Smooth-leaved Elm
      Ulmus minor subsp. minor Richens, the Smooth-leaved Elm, yclept Narrow-leafed Elm and East Anglian Elm, is a subspecies of the Field Elm native to southern Europe and Asia Minor including Iran.-Description:...
      
       - Smooth-leaved Elm, Narrow-leaved Elm
    • Ulmus minor subsp. sarniensis
      Guernsey Elm
      Ulmus minor subsp. sarniensis Stace , known variously as Guernsey Elm, Jersey Elm, Wheatley Elm, or Southampton Elm, once enjoyed much popularity in Britain, where it was widely cultivated for street planting...
      
       - Guernsey Elm, Jersey Elm, Southampton Elm, Wheatley Elm
    • Ulmus minor var. goodyeri
      Ulmus minor var. goodyeri
      Goodyer's Elm, Ulmus minor var. goodyeri, a variety of the subspecies U. m. subsp. angustifolia, was discovered in England by John Goodyer in 1624, growing along the Lymington to Christchurch road at Pennington. All but identical in leaf and branchlet to the Cornish Elm Ulmus minor subsp...
      
       - Goodyer's Elm
    • Ulmus minor var. plotii
      Plot's Elm
      Ulmus minor var. plotii Richens, known as Plot's Elm, or Lock Elm, is found only in England, where it is encountered mainly in the East Midlands, notably around the River Witham in Lincolnshire and in the Trent Valley around Newark on Trent...
      
       - Plot's Elm, Lock Elm
  • Ulmus procera
    English Elm
    Ulmus procera Salisb., the English, Common, or more lately Atinian, Elm was, before the advent of Dutch elm disease, one of the largest and fastest-growing deciduous trees in Europe...
    
    - English Elm, Atinian Elm
  • Ulmus pseudopropinqua
    Ulmus pseudopropinqua
    Ulmus pseudopropinqua Wang & Li, occasionally known in the USA as the Harbin Spring Elm, is a small deciduous tree found only in Heilongjiang, the northeasternmost province in China.-Description:...
    
    
  • Ulmus pumila
    Siberian Elm
    Ulmus pumila, the Siberian Elm, is native to Central Asia, eastern Siberia, Mongolia, Xizang , northern China, India and Korea . It is also known as the Asiatic Elm, Dwarf Elm and Chinese Elm. Two varieties are recognized: var pumila and var. arborea, the latter known as Turkestan elm...
    
    - Siberian Elm
    • Ulmus pumila var. arborea
    • Ulmus pumila var. pumila
  • Ulmus szechuanica
    Ulmus szechuanica
    Ulmus szechuanica Fang, known as the Szechuan , or Red-fruited, Elm, is a small to medium deciduous Chinese tree found along the Yangtze river through the provinces of Sichuan, Jiangxi, Anhui, and Jiangsu.-Description:...
    
    - Szechuan Elm
  • Ulmus villosa
    Cherry Bark Elm
    Ulmus villosa Brandis ex Gamble, the Cherry-bark Elm, is one of the more distinctive Asiatic elms, and a species capable of remarkable longevity...
    
    - Cherry Bark Elm

• "White elms": spring flowering; flowers pedunculate
  • Ulmus alata
    Winged Elm
    Ulmus alata, the Winged Elm or Wahoo, is a small- to medium-sized deciduous tree endemic to the southern and south-central United States.-Description:...
    
    - Winged Elm, Wahoo
  • Ulmus americana
    American Elm
    Ulmus americana, generally known as the American Elm or, less commonly, as the White Elm or Water Elm, is a species native to eastern North America, occurring from Nova Scotia west to Alberta and Montana, and south to Florida and central Texas. The American elm is an extremely hardy tree that can...
    
    - American Elm, White Elm
  • Ulmus laevis
    European White Elm
    Ulmus laevis Pall., the European White Elm, Fluttering Elm, Spreading Elm and, in the USA, Russian Elm, is a large deciduous tree native to Europe, from France northeast to southern Finland, east as far as the Urals, and southeast to Bulgaria and the Crimea; there is also a disjunct population in...
    
    - European White Elm, Fluttering Elm, Spreading Elm, (USA) Russian Elm
    • Ulmus laevis var. celtidea
    • Ulmus laevis var. laevis
    • Ulmus laevis var. parvifolia
      Ulmus laevis var. parvifolia
      Ulmus laevis var. parvifolia is a mutant variety of European White Elm found exclusively on the island of Ada Ciganlija, in the Sava at Belgrade, Serbia. -Description:...
      
      
  • Ulmus thomasii
    Rock Elm
    Ulmus thomasii, the Rock Elm or Cork Elm, is a deciduous tree native primarily to the Midwestern United States. The tree ranges from southern Ontario and Quebec, south to Tennessee, west to northeastern Kansas, and north to Minnesota...
    
    - Rock Elm, Cork Elm

• "Autumn-flowering elms": autumn flowering.
  • Ulmus crassifolia
    Cedar Elm
    Ulmus crassifolia Nutt., the Texas Cedar Elm or simply Cedar Elm, is a deciduous tree native to south central North America, mainly in southern and eastern Texas, eastern Oklahoma, Arkansas and Louisiana, with small populations in western Mississippi, southwest Tennessee and northwestern Florida ;...
    
    - Cedar Elm
  • Ulmus parvifolia - Chinese Elm, Lacebark Elm
    • Ulmus parvifolia var. coreana
      Ulmus parvifolia var. coreana
      The Korean Elm Ulmus parvifolia var. coreana Nakai is a variety of the Chinese Elm Ulmus parvifolia, native to Korea.-Cultivation:...
      
       - Korean Lacebark Elm
    • Ulmus parvifolia var. parvifolia
    • Ulmus parvifolia f. lanceolata
      Ulmus parvifolia f. lanceolata
      The Chinese Elm Ulmus parvifolia f. lanceolata Ueki is a rare form endemic to South Korea.-Cultivation:Several specimens are grown in Europe , but it is not known to be cultivated in North America or Australasia...
      
      
  • Ulmus serotina
    September Elm
    Ulmus serotina Sarg., the September Elm, is anAmerican species uncommon beyond Tennessee; only very locally distributed through Illinois, Kentucky, Arkansas, Mississippi, Oklahoma, Alabama and Georgia, growing predominantly on limestone bluffs and along streams to elevations of 400 m...
    
    - September Elm

• "Fossil elms"

  Ulmus braunii Ulmus brownellii Ulmus californica Ulmus carpinoides Ulmus chaneyi Ulmus cordifrons Ulmus depranodonta Ulmus eolaciniata Ulmus minima Ulmus minoensis

  Ulmus miopumila Ulmus montanensis Ulmus moorei Ulmus newberryi Ulmus okanagenensis Ulmus owyheensis Ulmus pancidentata Ulmus paucidentata Ulmus protojaponica Ulmus pseudolongifolia

  Ulmus pseudosuberosa Ulmus pyramidalis Ulmus pseudopyramidalis Ulmus rhamnifolia Ulmus speciosa Ulmus stuchlikii Ulmus subparvifolia Ulmus tenuiservis Ulmus wardii