Species
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Pediocactus bradyi L.D.Benson

Brady's Hedgehog Cactus, Brady's Pincushion Cactus, Brady's pediocactus, Marble Canyon cactus

No habitat climate 24 photographs Cactus or succulent

Every figure on this page is derived from public data by a stated rule and says its source; nothing here is written by a person or a model, except the Wikipedia passage, which is quoted and marked as such. How it is made.

Summary

Pediocactus bradyi is a very rare species of cactus known by the common names Brady's pincushion cactus, Brady's hedgehog cactus, and Marble Canyon cactus. It is endemic to Arizona in the US, where it is restricted to Marble Canyon in Coconino County, though its exact distribution is not generally advertised due to poaching concerns. It is limited to a specific type of soil, it has a small distribution, and the species is threatened by a number of human activities. This has been a federally listed endangered species of the United States since 1979.

Text from Wikipedia, “Pediocactus bradyi”, CC BY-SA 4.0, quoted as written. Kept separate from everything derived here.

About the genus · Pediocactus

Pediocactus is a genus of cacti native to the Western United States. The genus comprises between 6 and 11 species, depending upon the authority. Species of this genus are referred to as hedgehog cacti, though that name is also applied to plants from the genera Echinocereus and Echinopsis. More on Wikipedia ›

The opening of Wikipedia, “Pediocactus”, CC BY-SA 4.0, quoted as written.

Family
Cactaceae
Described by
L.D.Benson
Native to
Arizona
Wild records
116 in range· 54 open

Also known as Pediocactella bradyi (L.D.Benson) Doweld.

Cultivation

Grouped as a cactus or succulent by Cactaceae, which is usually but not always one kind of plant (archetype table). The table holds no figure for this group, which spans too much for one minimum, and no habitat climate is derived yet; no cold floor is given, and no prose comes from the table.

Nothing derived: no habitat climate for this species, and the archetype table has no figure for its genus or family.

Climate across the habitat

No habitat climate can be derived: 116 in-range records, none placed to within 10 km.

Natural habitat

Native range as published by WCVP; the marker is where the records are densest and decides nothing.
Openly licensed records inside the range, framed on where they fall.
NativeArizona
Kew's description“succulent subshrub” · “desert or dry shrubland”· quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Map marker36.689, -111.705 · in the densest population, 116 records (100% of those in range)
Evidence usedThe map marker rests on all 116 georeferenced records inside the native range; the map shows only the 54 openly licensed ones, which alone would put the marker 1 km away. 218 records outside the range (gardens, roadsides, misidentifications) ignored. No climate envelope is derived for this species. 116 in-range records are placed to worse than 10 km and stay on the map but off the climate.
The map markerthe map marker: the openly licensed record nearest the middle of the densest 1° population of the 116 in-range records; it decides nothing.

Photographs

Pediocactus bradyiPediocactus bradyiPediocactus bradyiPediocactus bradyiPediocactus bradyiPediocactus bradyiPediocactus bradyiPediocactus bradyi

Photographs: Trevor Harding, CC BY, iNaturalist via GBIF (2); Zach Earl, CC BY, iNaturalist via GBIF (5); Parker James Lloyd, CC BY, iNaturalist via GBIF.

Photographs: iNaturalist did not answer when this page was built; what is shown came from the sources that did.

Papers naming this species

Works whose title or abstract names Pediocactus bradyi, most cited first, from OpenAlex (CC0). A mention, not a cultivation source: nothing on this page is drawn from them.

Micropropagation of Members of the Cactaceae Subtribe Cactinae
Philip W. Clayton, John F. Hubstenberger, Gregory C. Phillips, S.A. Butler-Nance (1990) · Journal of the American Society for Horticultural Science
Population viability of Pediocactus bradyi (Cactaceae) in a changing climate
Daniel F. Shryock, Todd C. Esque, Lee E. Hughes (2014) · American Journal of Botany
Pediocactus bradyi: Butterworth, C. & Porter, J.M.
IUCN (2010) · IUCN Red List of Threatened Species
Occurrence Download
GBIF.org User (2026) · Global Biodiversity Information Facility
Occurrence Download
GBIF.org User (2026) · Global Biodiversity Information Facility
Occurrence Download
GBIF.org User (2026) · Global Biodiversity Information Facility
Occurrence Download
GBIF.org User (2026) · Global Biodiversity Information Facility
Occurrence Download
GBIF.org User (2026) · Global Biodiversity Information Facility
Occurrence Download
GBIF.org User (2026) · Global Biodiversity Information Facility
Occurrence Download
GBIF.org User (2026) · Global Biodiversity Information Facility

Other Pediocactus 6 in the reference

History & registers

Where this page came from built 2026-09-20 · dossier v2 · node
gbif.species answeredcarried from build of 2026-09-19 (offline re-derivation; the backbone was not asked)
gbif.synonyms answeredcarried from build of 2026-09-19 (offline re-derivation; the backbone was not asked)
gbif.vernacular answeredcarried from build of 2026-09-19 (offline re-derivation; the backbone was not asked)
wcvp.distribution answered
gbif.occurrences answeredGBIF occurrence download https://doi.org/10.15468/dl.3h4zam
climate nothing to report
wikidata answeredcarried from build of 2026-09-19 (rederive); that build: carried from build of 2026-09-19 (rederive)
wikipedia answeredcarried from build of 2026-09-19; this build: skipped
inat.taxon not asked
inat.photos.wild answeredcarried from build of 2026-09-19 (rederive); that build: carried from build of 2026-09-19 (rederive)
inat.photos.cultivated nothing to reportcarried from build of 2026-09-19 (rederive); that build: carried from build of 2026-09-19 (rederive)
commons nothing to reportcarried from build of 2026-09-19 (rederive); that build: carried from build of 2026-09-19 (rederive)
gbif.media answered
openalex answeredcarried from build of 2026-09-19; this build: skipped

Every upstream is recorded as having answered, reported nothing, or refused. Only “nothing to report” is ever shown as an absence. Records came from 3 datasets via GBIF.org; each carries its own licence.