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Ulmus Linnaeus. Elm.

Key to Ulmus

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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image of plant© Gary P. Fleming | Ulmus rubra | Original Image ⭷
image of plant© Erik Danielson | Ulmus glabra source | Original Image ⭷
image of plant© Gary P. Fleming | Ulmus rubra | Original Image ⭷


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