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Specimen number SD191501
Determination Mammillaria dioica
More information: Jepson Online Interchange
Collector, number, date Melvin M. Sweet, 730, 2009-1-18
Verbatim date Jan 18, 2009
County San Diego
Locality Anza-Borrego Desert State Park; 1.6 miles S of State Hwy 78, along the Mine Wash Jeep Trail, which intersects Hwy 78 2.8 miles east of County Route S3 (Yaqui Pass).
Elevation 483 m
HabitatSandy wash through a gravel & cobble alluvial fan
Coordinates 33.11137 -116.34347 BerkeleyMapper [or without layers, here]
Datumnot recorded
Coordinate sourceCoordinates from label
Voucher information
macromorphologyWhite flowers with maroon stripes on columnar cactus
associated speciesLarrea tridentata Fouquieria splendens,Encelia farinosa, Agave deserti, Simmondsia chinensis, Cylindropuntia spp., Echinocereus engelmannii
verbatim elevation1585
Annotations and/or
curatorial actions
current determination (uncorrected): Mammillaria dioica, Jon P. Rebman

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  2. county=San Diego; taxon=Mammillaria dioica
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  4. collector=Sweet; taxon=Mammillaria dioica
  5. collector=Sweet; number=730
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  7. date=Jan 18, 2009; collector=Sweet
  8. date=Jan 18, 2009; county=San Diego
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  11. Plot elevation range (from Jepson Manual) against latitude
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