Ulmus Linnaeus. Elm.
A genus of about 25-30 species, trees (rarely shrubs), of temperate and boreal regions of the Northern Hemisphere (most diverse in c. and n. Asia). Subgeneric classification shown in the key follows Whittemore et al. (2021).
Ref: Kurz & Godfrey (1962); Sherman-Broyles (1997) In Flora of North America Editorial Committee (1997); Todzia In Kubitzki, Rohwer, & Bittrich (1993); Whittemore & Olsen (2011); Whittemore et al. (2021); Wiegrefe, Sytsma, & Guries (1994). Show full citations.
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© Keith Bradley | Ulmus crassifolia | Original Image ⭷
© Gary P. Fleming | Ulmus rubra | Original Image ⭷
© Richard & Teresa Ware | Ulmus serotina CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Erik Danielson | Ulmus glabra source | Original Image ⭷
© Gary P. Fleming | Ulmus rubra | Original Image ⭷
© Paul Marcum | Ulmus americana var. americana source | Original Image ⭷Feedback
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