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Specimen number UCR235296
Determination Conyza bonariensis
More information: Jepson Online Interchange
Collector, number, date George K. Helmkamp, E. A. Helmkamp, 18474 A, 2011-11-21
Verbatim date 2011-Nov-21
County San Joaquin
Locality Northeastern San Joaquin Valley, along Johnson Road, 0.8 mile south of its junction with CA-12, NE of Lockeford, SW of Camanche Reservoir
Elevation 53 m
Coordinates 38.19056 -121.04194 BerkeleyMapper [or without layers, here]
Datumnot recorded; ER = Lat: 100; Long: 100 m
Coordinate sourceCollector GPS
Voucher information
macromorphologyCommon on a large, open flat with abundant Conyza canadensis.
phenologyFlowering & Fruiting
verbatim elevation53 m
Annotations and/or
curatorial actions
current determination (uncorrected): Conyza bonariensis
NotesUSGS quad: Clements 7.5' Q.;

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  1. taxon=Conyza bonariensis
  2. county=San Joaquin; taxon=Conyza bonariensis
  3. county=San Joaquin; collector=Helmkamp
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  5. collector=Helmkamp; number=18474 A
  6. collector=Helmkamp; number=18474 A; include nearby numbers
  7. date=2011-Nov-21; collector=Helmkamp
  8. date=2011-Nov-21; county=San Joaquin
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