Elms are deciduous and semi-deciduous trees comprising the genus Ulmus in the family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical - montane regions of North America and Eurasia, presently ranging southward in the Middle East to Lebanon and Israel, [ 1 ] and across the Equator in the ...

Aug 12, 2022 · In many areas of the U.S., land developers and landscapers considered elms as good trees that could withstand harsh street conditions, and lined countless streets with the American elm (Ulmus americana). But many trees succumbed to the disease.

Mar 11, 2025 · elm, (genus Ulmus), genus of about 35 species of forest and ornamental shade trees of the family Ulmaceae, native primarily to north temperate areas. Many are cultivated for their height and attractive foliage.

Ulmus americana, commonly called American elm, is a medium to large deciduous tree, typically growing to 60-80’ (less frequently to 130’) tall with a vase-shaped, broad-rounded crown. It is native to eastern and central North America.

Elm (Ulmus spp.) contains about 45 species native to Asia [11], Europe and the Mediterranean [6], South and Central America [7] and North America [7]. All species look alike microscopically. The word ulmus is the classical Latin name. Soft Elms

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 …

Jan 20, 2023 · Around cottage country Ontario there are three main native elm (Ulmus spp.) trees. The most common is American/white elm (Ulmus americana) as featured in our pictures. It’s followed by rock elm (U. thomasii) and the more popular edible and …

We aim to present the first biogeographic synthesis investigating the global diversity, distribution, ecological preferences, and the conservation status of Ulmaceae. A literature review was performed to explore the available data for all extant species.

The Elm genus, Ulmus, contains about thirty species of mostly deciduous trees. Generally susceptible to Dutch Elm Disease, which is caused by Ophiostoma ulmi. (Dutch Elm Disease has lead to the near extinction of the American Elm in the US).

Elm, English (Ulmus procera) Once growing to lofty heights, the elegant English elm used to dominate the landscape. Now this ancient symbol of melancholy and death is a rare sight, having been decimated by Dutch elm disease.