08 May 2008.
California, United States
Locality: Monticello Dam in Napa County, California
Coordinates: 38.5127, -122.0960
(Map it)
Elevation: 600m.
Georeference protocol: Lat/Lon determined from GIS
Habitat: Wild Habitat
Environment description: 1.5 m tall with grape in direct sunlight. 30 m from water.
Comment: Two genotypes of R. ulmifolius had been found at this site in the molecular study, but the cutting grown in the greenhouse has not been genotyped so I can?t assign it to one or the other.
Collector(s):