| Species ID | Scientific Name | Trade Name | Family Name | Genera ID | Tree Identification | Geolocation | Authorities |
| 6158 | Ulmus armenica | Armenian Elm | Ulmaceae | 8546 | |||
| 6159 | Ulmus carpinifolia | European Small Leaf Elm, Smooth Elm | Ulmaceae | 8546 | |||
| 6160 | Ulmus davidiana | Akotamo | Ulmaceae | 8546 | |||
| 6161 | Ulmus fulva | Slippery Elm | Ulmaceae | 8546 | |||
| 6162 | Ulmus integrifolia | Vellijim | Ulmaceae | 8546 | |||
| 6163 | Ulmus japonica | Japanese Elm | Ulmaceae | 8546 | |||
| 6164 | Ulmus laciniata | Namu-nanti | Ulmaceae | 8546 | |||
| 6165 | Ulmus laevis | Russian White Elm | Ulmaceae | 8546 | |||
| 6166 | Ulmus major | Dutch Elm | Ulmaceae | 8546 | |||
| 6167 | Ulmus minor | European Field Elm | Ulmaceae | 8546 | |||
| 6168 | Ulmus montana | Mountain Elm | Ulmaceae | 8546 | |||
| 6169 | Ulmus nitens | Dutch Elm | Ulmaceae | 8546 | |||
| 6170 | ulmus parviflora | chinese elm | Ulmaceae | 8546 | |||
| 6171 | Ulmus pumilla | Japanese Elm | Ulmaceae | 8546 | |||
| 6172 | Ulmus racemosa | Rock Elm | Ulmaceae | 8546 | |||
| 6173 | Ulmus sieboldsii | Chinese Elm | Ulmaceae | 8546 | |||
| 6174 | Ulmus suberosa | Dutch Elm | Ulmaceae | 8546 | |||
| 6175 | Umbellaria californica | Pepperwood, Myrtlewood | Myrtaceae | ||||
| 6176 | Ungnadia speciosa | Castano de Mexico | Sapindaceae | 8043 | |||
| 6177 | Unonopsis glaucopetala | Arara | Annonaceae | 6833 |