Angiospermae - Rosales - Ulmaceae
Synonym: Ulmus pseudoamericana Lesquereux 1883
Belongs to Ulmus according to F. H. Knowlton 1926
See also Knowlton 1919
Sister taxa: Ulmus affinis, Ulmus alata, Ulmus americana, Ulmus antecedens, Ulmus basicordata, Ulmus betuloides, Ulmus braunii, Ulmus brownellii, Ulmus californica, Ulmus campestris, Ulmus chuchuanus, Ulmus columbiana, Ulmus columbianus, Ulmus dubia, Ulmus fernquisti, Ulmus grandifolia, Ulmus hilliae, Ulmus macrocarpa, Ulmus maguanensis, Ulmus minima, Ulmus newberryi, Ulmus okanaganensis, Ulmus orbicularis, Ulmus parvifolia, Ulmus planeroides, Ulmus plurinervia, Ulmus praecursor, Ulmus prelanceaefolia, Ulmus protoamericana, Ulmus protoracemosa, Ulmus pseudoracemosa, Ulmus pumila, Ulmus quercifolia, Ulmus racemosa, Ulmus rhamnifolia, Ulmus sorbifolia, Ulmus tenuinervis, Ulmus wallichiana, Ulmus wardii
Ecology: "photoautotroph"
Distribution:
• Miocene of United States (5: Idaho, Nebraska, Nevada, Washington collections)
• Oligocene to Miocene of United States (1: Montana)
• Oligocene of United States (5: Montana, Oregon)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.