Species by Genus: Ulmus
- Ulmus alata
- Ulmus americana
- Ulmus americana f. ascendens
- Ulmus americana var. alata
- Ulmus americana var. alba
- Ulmus americana var. aspera
- Ulmus americana var. floridana
- Ulmus campestris
- Ulmus chinensis
- Ulmus crassifolia
- Ulmus crispa
- Ulmus davidiana
- Ulmus floridana
- Ulmus fulva
- Ulmus glabra
- Ulmus hollandica
- Ulmus laciniata
- Ulmus laevis
- Ulmus lanceifolia
- Ulmus macrocarpa
- Ulmus mexicana
- Ulmus minor
- Ulmus montana
- Ulmus monterreyensis
- Ulmus parvifolia
- Ulmus procera
- Ulmus pumila
- Ulmus rubra
- Ulmus scabra
- Ulmus serotina
- Ulmus sp.
- Ulmus sp.1
- Ulmus sp.2
- Ulmus spp.
- Ulmus thomasii
- Ulmus tonkinensis
- Ulmus wallichiana
- Ulmus × hillieri