#841 most planted
Ulmus thomasii
Rock elm · also Cork elm
Deciduous
380
trees mapped
0.00%
of all named trees
12
cities
4.7 in
median trunk (12 cm, 375 measured)
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Ulmus thomasii, commonly known as rock elm or cork elm, is a deciduous tree native to the Midwestern and Eastern United States and southeastern Canada. This species is classified as 'least concern' regarding conservation status.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 2490.04%—3.5 in
- 460.01%—7.5 in
- 310.03%—7.0 in
- 170.01%—10 in
- 110.00%—9.8 in
- 90.00%—9.0 in
- 90.01%1.8 yr2.0 in
- 40.00%—14 in
- 10.00%—4.7 in
- 10.00%—3.0 in
- 10.00%—2.0 in
- 10.00%——
Traits
- Foliage
- Deciduous
Trunk diameters across every city: median 4.7 in, mean 7.4 in, 90th percentile 14 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Grasslands, Savannas & Shrublands
- Central US forest-grasslands transition
- Central Tallgrass prairie
- Nebraska Sand Hills mixed grasslands
- Northern Tallgrass prairie
Temperate Broadleaf & Mixed Forests
- New England-Acadian forests
Other Ulmus in the catalogue
28 of the top 2,000 species are in this genus.
