Crataegus monogyna Jacq. var. monogyna

Oregon: Lane County: East bank of Willamette River, Alton Baker Park; 0.9 air kilometers southeast of Skinner Butte, Eugene. Elev. 125 m.
44.0561° N, 123.0831° W
Coordinate Source: Specimen Label.
Damp partly shaded thickets, with Populus, and lobed leaf forms of Crataegus monogyna. 5 meter tall adventive tree; fruit oblong to oblong-elliptic, dull dark red, 10-14 x 9-12 millimeters wide, 1 style/seed; short shoot leaves on fertile shoots consistently deeply lobed, thorns 80-93 millimeters. Phenology: Fruits.

Peter F. Zika 28570, Oct 12, 2016
With Richard E. Brainerd
WTU, Accession: 418536, Barcode: WTU-V-040012