UCR - University of California, Riverside Herbarium - Vascular Plants (UCR)
UCR0086922
UCR-BPS-123381
UCR-123381
Polygonum hydropiper L.
Polygonaceae
A.C. Sanders
Lisa Kegarice
s.n.
1993-06-22
1993-6-22
United States, California, San Joaquin, under the north side of the Orwood Trestle, Santa Fe Railway, 12 miles west of Stockton, between Bacon and Woodward Islands in the San Joaquin River delta between Old River and Middle River