
Tetradymia spinosa
Shortspine Horsebrush
As recorded: Tetradymia spinosa Hook. & Arn.
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Stemmermann, R.L.
- Collector number
- 511
- Date
- May 9, 1979
- Locality
- San Bernadino, 0.8 mi. N of California Canal, US 395
- Region
- California, United States
- Elevation
- 1,097 m
- Record type
- Preserved specimen
Tetradymia spinosa observed alive
This specimen was collected in 1979. Since 2000, iNaturalist observers have recorded 526 research-grade sightings in the wild, most recently on 2026-09-09.

2026-09-09
United States
(c) Anders Hastings, some rights reserved (CC BY)

2026-08-15
Bishop, CA, US
(c) Denver Billing, some rights reserved (CC BY-NC)

2026-08-03
Mineral County, US-NV, US
(c) Kevin Castelluccio, some rights reserved (CC BY-NC)

2026-06-28
Fallon, NV, US
(c) rockopotomous, some rights reserved (CC BY-NC)

2026-06-09
Price, UT, US
(c) ashitaka12, some rights reserved (CC BY-NC)

2026-06-03
Inyo, California, United States
no rights reserved
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Tetradymia spinosa. BISH 437450. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956394206. Accessed via explore.bishopmuseum.org/specimens/bish/437450.
Record sources
- GBIF occurrence 5956394206 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
