Cactaceae
Mountain ball cactus
Pediocactus simpsonii
- Family
- Cactaceae
- Genus
- Pediocactus
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Common names
By language (2)
- Chinese
- 乍光玉
- English
- Mountain ball cactus, Simpson's hedgehog cactus, Snowball pediocactus
Synonyms
- 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 f. campestris Hochstätter
- Pediocactus simpsonii f. dinosauriensis Hochstätter
- Pediocactus simpsonii f. flaminggorgensis Hochstätter
- Pediocactus simpsonii f. flinspachii Hochstätter
- Pediocactus simpsonii f. kuenzleri Hochstätter
- Pediocactus simpsonii f. montanensis Hochstätter
- Pediocactus simpsonii f. muehlii Hochstätter
- Pediocactus simpsonii f. prairie Hochstätter
- Pediocactus simpsonii f. sandiamontanus Hochstätter
- Pediocactus simpsonii subsp. bensonii Hochstätter
- Pediocactus simpsonii subsp. idahoensis Hochstätter
- Pediocactus simpsonii subsp. indranus (Hochstätter) Hochstätter
- Pediocactus simpsonii subsp. robustior (J.M.Coult.) Hochstätter
- Pediocactus simpsonii var. caespiticus Backeb.
- Pediocactus simpsonii var. hermannii (W.T.Marshall) W.T.Marshall
- Pediocactus simpsonii var. indraianus Hochstätter
- Pediocactus simpsonii var. indranus Hochstätter
- Pediocactus simpsonii var. minor (Engelm.) Cockerell
- Pediocactus simpsonii var. robustior (J.M.Coult.) L.D.Benson
- Pediocactus simpsonii var. simpsonii
Characteristics
- Growth habit
- Shrub
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: brewbooks from near Seattle, USA, CC BY-SA 2.0, from Wikimedia Commons
More in Pediocactus
- Brady's pincushion cactusPediocactus bradyiCactaceae
- Knowlton's miniature cactusPediocactus knowltoniiCactaceae
- Kaibab pincushion cactusPediocactus paradineiCactaceae
- Navajo pincushion cactusPediocactus peeblesianusCactaceae
- Siler's pincushion cactusPediocactus sileriCactaceae
- Despain's pincushion cactusPediocactus despainiiCactaceae
- Snowball cactusPediocactus nigrispinusCactaceae
- Winkler's pincushion cactusPediocactus winkleriCactaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.