Ptelea crenulata

California––Valley Grassland. Tehama Co., BLM:  Bend River under bridge, Paynes Creek, Sacramento River northwest of Red Bluff, road off I-5 (not Hwy 36); 40º15'49.9", 122º13.21.8", 93 m.  Deciduous forest along river bottom. Spjut & Paul Burchstead 16331.
08 June 2008

Ptelea trifoliata
Arizona—Mojave Desert. Mohave Co., Northern slopes of Virgin Range along road from Mesquite NV to Grand Canyon Parashant Monument AZ
13 Apr 2008