Erigeron bonariensis
Flax-leaved Horseweed
As recorded: Conyza bonariensis (L.) Cronquist
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Lamoureux, C.H.
- Collector number
- 2767
- Date
- August 12, 1964
- Locality
- Eastern Island
- Island
- Midway Atoll
- Region
- Hawaii, United States
- Identified by
- Herbst, D.R.; Sohmer, S.H.; Wagner, W.L.Derral R. Herbst →Seymour H. Sohmer →Warren L. Wagner Jr. →
- Record type
- Preserved specimen
Collected the same day
On August 12, 1964, Lamoureux, C.H. also collected 5 other specimens.
Erigeron bonariensis observed alive in Hawaiʻi
This specimen was collected in 1964. Since 2000, iNaturalist observers have recorded 206 research-grade sightings in the wild, most recently on 2026-09-30.
2026-09-30
Maile Way + East-West Rd, Honolulu, HI 96822, USA
no rights reserved
2026-09-21
Hawaii, US
(c) Kyle Klotz, some rights reserved (CC BY-NC)
2026-09-09
Hawaii Kai, Honolulu, HI, USA
no rights reserved
2026-07-26
Kīlauea Iki Trail, Pahoa, HI, US
(c) atcgnyc, some rights reserved (CC BY-NC)
2026-07-26
Nuuanu - Punchbowl, Honolulu, HI, USA
no rights reserved
2026-07-25
Honokaa, HI, US
(c) Jason Flor Flores, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Erigeron bonariensis. BISH 51431. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956265627. Accessed via explore.bishopmuseum.org/specimens/bish/51431.
Record sources
- GBIF occurrence 5956265627 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026