Linked from
The 12 pages that link to Ulmaceae, each with the reason it gives.
RosalesBroader topic: Elms represent the order's woody family diversity.
UlmusNarrower topic: Ulmus is the type genus of this plant family.
American elmNarrower topic: This family places American elm among its botanical relatives.
CannabaceaeRelated: Elms are close relatives in Rosales, though placed in a separate family.
UrticaceaeRelated: This Rosales family provides another woody comparison to tree-form Urticaceae.
Ulmus americanaNarrower topic: This family places the American elm among related woody plants.
Ulmus minorNarrower topic: This family places field elm among its close botanical relatives.
Ulmus davidianaNarrower topic: The family provides the broader botanical classification above Ulmus.
Ulmus rubraNarrower topic: This family contains the genus Ulmus.