California Polytechnic State University, Robert F. Hoover Herbarium (OBI)
OBI186002
d22c4d68-bddb-4f37-b216-cf6baa2b83bb
Polygonum douglasii Greene
Polygonaceae
Douglas Knotweed
Tom Schweich
2127.1
2019-07-06
6-Jul-19
United States, Colorado, Jefferson, High plains above Rocky Flats, west 1.7 mi. on CO Hwy 72 from CO Hwy 93, generally north 1.0 mi. on Plainview Road, then 400 m. east to a small break in slope, 19.6 km. north northeast of the GNIS location of Golden.
39.88803159 -105.2573048 WGS 1984
1926 meters (6317ft)
In a thicket, primarily of Prunus virginiana, along a break in slope.
Also collected in these thickets: Silene latifolia, Cynoglossum officinale, and Arctium minus.
ccd035c3-60e0-4ded-8023-24171a5ec96c
For additional information about this specimen, please contact: Jenn Yost, Director and Assistant Professor (jyost@calpoly.edu)
No comments have been submitted