Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Cyanthillium cinereum
little ironweed
As recorded: Cyanthillium cinereum (L.) H.Rob.
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Bryan Jr., E.H.
- Collector number
- s.n.
- Date
- February 10, 1929
- Locality
- Schofield Road
- Island
- Oʻahu
- Region
- Hawaii, United States
- Identified by
- Staples, G.W.
- Record type
- Preserved specimen
Collected the same day
On February 10, 1929, Bryan Jr., E.H. also collected 22 other specimens.
Cyanthillium cinereum observed alive in Hawaiʻi
This specimen was collected in 1929. Since 2000, iNaturalist observers have recorded 124 research-grade sightings in the wild, most recently on 2026-10-21.

2026-10-21
Haleakalā National Park, Hana, HI, US
(c) ka_y_ak, some rights reserved (CC BY-NC)

2026-10-08
Ferdinand Ave, Honolulu, HI, US
(c) hi_ocean, some rights reserved (CC BY-NC)

2026-07-01
Maile Way + East-West Rd, Honolulu, HI 96822, USA
no rights reserved

2026-04-27
Oʻahu, Honolulu, HI, US
(c) khein2, some rights reserved (CC BY-NC)

2026-04-25
Monsarrat Ave, Honolulu, HI, US
(c) Bert Kimura, some rights reserved (CC BY)

2026-03-28
Nahewai St, Heʻeia, HI, US
(c) kj40, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Cyanthillium cinereum. BISH 121743. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956478358. Accessed via explore.bishopmuseum.org/specimens/bish/121743.
Record sources
- GBIF occurrence 5956478358 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
