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iNaturalist — CC, credited & licensed per image

Cactaceae family
Sanddollar Astrophytum asterias
Native
Also known as: Sand Dollar Cactus · Sea Urchin Cactus · Seaurchin Starcactus · Star Cactus
Sanddollar is a perennial shrub native to the lower 48 states.
More about this plant
Astrophytum asterias is a species of cactus in the genus Astrophytum, and is native to small parts of Texas in the United States and Mexico. Common names include sand dollar cactus, sea urchin cactus, star cactus and star peyote. Wikipedia →
Growing & care
USDA PLANTS · TRY Conditions
Sources · Conditions
Cold hardiness (derived) — Hardiness
- Hardiness
- ≥ zone 10 derived from its U.S. range
Size & form
Sources · Size & form
USDA PLANTS — Lifespan
TRY Plant Trait Database (CC BY 4.0) — Foliage
- Lifespan
- Perennial
- Foliage
- Leafless
In the garden
Shrub layer — Sits in the shrub of a layered food forest or polyculture.Open guide →
derived roles
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a
guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.
Wildlife & pollinators
How pollinator value is scored →✦ Bees 2 bee visitors
2 native & managed bee species are documented visiting Sanddollar :
Visitor records (observations, not exhaustive) from Noori et al. 2026 (CC BY 4.0) ·
GloBI →
Species thumbnails re-hosted from iNaturalist — Creative Commons, credited per image (hover for credit). Click any species to see it on iNaturalist. Not exhaustive; many taxa have no openly-licensed photo yet.
Sources for this entry (15) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — USDA PLANTS (DwCA, Zenodo 17903503) — native status
[06] Photos — iNaturalist — CC, credited per image
[07] Description — Wikipedia (CC BY-SA)
[08] Conservation rank — NatureServe Explorer (CC BY)
[09] Federal ESA status — USFWS ECOS (U.S. Fish & Wildlife Service)
[10] Foliage — TRY Plant Trait Database (CC BY 4.0)
[11] Functional traits — TRY Plant Trait Database (CC BY 4.0)
[12] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
[13] Other common names — Wikidata (CC0)
[15] County range — GBIF Open Data — open-licensed occurrences (CC0/CC-BY) → county
Spot an error or have a better photo? Every field links to its source, and the whole dataset is open.
Cite this page Open data, please attribute
PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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