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Specimen number UCR235138
Determination Quercus durata var. durata
More information: Jepson Online Interchange
Collector, number, date George K. Helmkamp, E. A. Helmkamp, 18465, 2011-11-20
Verbatim date 2011-Nov-20
County El Dorado
Locality Northern Sierra Nevada Mountains Foothills, Salmon Falls Road at south end of bridge over the American River
Elevation 160 m
Coordinates 38.77278 -121.03833 BerkeleyMapper [or without layers, here]
Datumnot recorded; ER = Lat: 100; Long: 100 m
Coordinate sourceCollector GPS
Voucher information
macromorphologyCommon on rocky banks. Shrubs with acorns remaining on the plants.
verbatim elevation160 m
Annotations and/or
curatorial actions
current determination (uncorrected): Quercus durata var. durata
NotesUSGS quad: Pilot Hill 7.5' Q.;

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  1. taxon=Quercus durata var. durata
  2. county=El Dorado; taxon=Quercus durata var. durata
  3. county=El Dorado; collector=Helmkamp
  4. collector=Helmkamp; taxon=Quercus durata var. durata
  5. collector=Helmkamp; number=18465
  6. collector=Helmkamp; number=18465; include nearby numbers
  7. date=2011-Nov-20; collector=Helmkamp
  8. date=2011-Nov-20; county=El Dorado
  9. Possible GBIF records [External]
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  11. Plot elevation range (from Jepson Manual) against latitude
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