CDA - California Department of Food and Agriculture (CDA)
Lactuca serriola L.
United States, Colorado, Jefferson, Native and Naturalized Flora of the Golden Area. Upper Washington Avenue Open Space. Small (4 acre) fallow city-owned parcel in northern Golden, near the intersection of Colorado Hwy 93 and Washington Ave, 1.75 km NW of the GNIS location of Golden. 39.7689°N, 105.2322°W, WGS 1984, elev 1809 m. Collected by permit: City of Golden 2017, issued 6 February 2017 to Tom Schweich.
39.7689 -105.2322 WGS 1984
Large, against neighbor's fence, maybe getting watered with neighbor's landscaping.
elev 1809 m
Gift from Tom Schweich 2019; Wild: native/naturalized