
Senecio aronicoides
rayless ragwort
As recorded: Senecio aronicoides DC.
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Rock, J.F.C.
- Collector number
- s.n.
- Date
- July 1, 1917
- Locality
- Mt. Tamalpaias, California
- Region
- California, United States
- Record type
- Preserved specimen
Collected the same day
On July 1, 1917, Rock, J.F.C. also collected 24+ other specimens.
Senecio aronicoides observed alive
This specimen was collected in 1917. Since 2000, iNaturalist observers have recorded 514 research-grade sightings in the wild, most recently on 2026-06-23.

2026-06-23
Emigrant Gap
(c) brakfu, some rights reserved (CC BY-NC)

2026-06-01
San Mateo County, CA, USA
(c) johnlamping, some rights reserved (CC BY-NC)

2026-05-25
Milk Ranch Loop, Upper Lake, CA, US
(c) Andy Murdock, some rights reserved (CC BY-NC)

2026-05-23
Panorama Trail, Coulterville, CA, US
(c) Esteban Mateo Teixeira, some rights reserved (CC BY-NC)

2026-05-18
Kings Canyon National Park, Kings Canyon National Pk, CA, US
(c) deathcap, some rights reserved (CC BY-NC)

2026-05-07
Marin County, CA, USA
(c) Paul Barnett, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Senecio aronicoides. BISH 132874. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956233689. Accessed via explore.bishopmuseum.org/specimens/bish/132874.
Record sources
- GBIF occurrence 5956233689 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
