21 September 2006.
California, United States
Locality: south of San Mateo Road, West of Cabrilo Highway, NW of the town of Half Moon Bay
Coordinates: 37.4689, -122.4305
(Map it)
Elevation: 20m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: edge of wooded area
Comment: study on Rust thornless plant
Collector(s):