Pediocactus simpsonii

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Pediocactus simpsonii
Pediocactus simpsonii


Taxonavigation: Caryophyllales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Caryophyllales

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cacteae
Genus: Pediocactus
Species: Pediocactus simpsonii


Pediocactus simpsonii (Engelm.) Britton & Rose, Ill. fl. n. U.S., ed. 2, 2: 570 (1913), as "simpsoni".


The specific epithet honors James Hervey Simpson (1813-1883) an officer in the U.S. Army and a member of the United States Corps of Topographical Engineers.


  • Echinocactus simpsonii Engelm.
  • Echinocactus simpsonii f. minor (Engelm.) Schelle
  • Echinocactus simpsonii var. minor Engelm.
  • Echinocactus simpsonii var. robustior J.M.Coult.
  • Mammillaria purpusii K.Schum.
  • Mammillaria simpsonii (Engelm.) M.E.Jones
  • Mammillaria spaethiana Späth
  • Pediocactus hermannii W.T.Marshall
  • Pediocactus nigrispinus subsp. indranus (Hochstätter) Hochstätter
  • Pediocactus robustior (J.M.Coult.) Arp
  • Pediocactus simpsonii f. acklinii Hochstätter
  • Pediocactus simpsonii subsp. bensonii Hochstätter
  • Pediocactus simpsonii var. caespiticus Backeb.
  • Pediocactus simpsonii f. campestris Hochstätter
  • Pediocactus simpsonii f. dinosauriensis Hochstätter
  • Pediocactus simpsonii f. flaminggorgensis Hochstätter
  • Pediocactus simpsonii f. flinspachii Hochstätter
  • Pediocactus simpsonii var. hermannii (W.T.Marshall) W.T.Marshall
  • Pediocactus simpsonii subsp. idahoensis Hochstätter
  • Pediocactus simpsonii f. kuenzleri Hochstätter
  • Pediocactus simpsonii var. minor (Engelm.) Cockerell
  • Pediocactus simpsonii f. montanensis Hochstätter
  • Pediocactus simpsonii f. muehlii Hochstätter
  • Pediocactus simpsonii subsp. robustior (J.M.Coult.) Hochstätter


Native distribution areas:
  • Continental: Northern America
    • Regional: Central USA
      • Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, South Dakota, Utah, Wyoming

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition


Primary references[edit]

Additional references[edit]


Vernacular names[edit]

English: mountain ball cactus, Simpson's Hedgehog Cactus, Snowball Pediocactus, Mountain cactus, Simpson’s footcactus, Simpson’s hedgehog cactus
svenska: klotpediokaktus
Wikimedia Commons For more multimedia, look at Pediocactus simpsonii on Wikimedia Commons.