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Specimen number RSA719241
Determination Xylorhiza tortifolia
More information: Jepson Online Interchange
Collector, number, date Michael Honer, Lincoln Hulse, 1911, 2004-4-3
Verbatim date 2004-04-03
County Riverside
Locality Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon.
Elevation 610m
HabitatDeep narrow rocky Colorado Desert canyon, running N-S. Narrow wash scoured by flooding. With Hyptis, Hymenoclea, Psorothamnus spp., Bebbia, Acacia greggii, Encelia farinosa, Simmondsia, Ferocactus cylindricus, Larrea, Prosopsis gland., Tamarix ramociss., Fouquieria, and rich annual flora.
Coordinates 33.77750 -116.05536 BerkeleyMapper [or without layers, here]
DatumNot recorded; ER = 1.0 km
Coordinate sourceCollector GPS (copied from UCR198189)
Voucher information
other label numbersb70f618c-758e-4335-a273-b350ddbd935d
verbatim elevation2000
NotesUncommon; slopes above wash.;
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  1. taxon=Xylorhiza tortifolia
  2. county=Riverside; taxon=Xylorhiza tortifolia
  3. county=Riverside; collector=Honer
  4. collector=Honer; taxon=Xylorhiza tortifolia
  5. collector=Honer; number=1911
  6. collector=Honer; number=1911; include nearby numbers
  7. date=2004-04-03; collector=Honer
  8. date=2004-04-03; county=Riverside
  9. Possible GBIF records [External]
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  11. Plot elevation range (from Jepson Manual) against latitude
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