Ageratina adenophora
Crofton Weed
As recorded: Ageratina adenophora (Spreng.) R.M.King & H.Rob.
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Kondo, Y.; Kirsch, P.; Spoehr, H.P. Kirsch →Yoshio KondoKay Kondo →Hardy Spoehr →
- Collector number
- 58.13a
- Date
- August 18, 1963
- Locality
- Waikolu Valley head
- Island
- Molokaʻi
- Region
- Hawaii, United States
- Coordinates
- 21.1316, -156.9160 ± 759 m
- Elevation
- 914 m
- 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
Where it was collected
Collected the same day
On August 18, 1963, Kondo, Y.; Kirsch, P.; Spoehr, H. also collected 16 other specimens.
Anthoxanthum odoratum
Botany
Cheirodendron trigynum
Botany
Cyperus sandwicensis
Botany
Dicranopteris linearis
Botany
Dubautia carrii
Botany
Hydrangea arguta
Botany
Hypochaeris radicata
Botany
Kadua affinis
Botany
Kadua affinis
Botany
Kadua affinis
Botany
Kadua affinis
Botany
Lythrum maritimum
Botany
Machaerina angustifolia
Botany
Metrosideros polymorpha
Botany
Vaccinium dentatum
Botany
Vaccinium dentatum
Botany
Still here: Ageratina adenophora observed near this locality
This specimen was collected in 1963. Since 2000, iNaturalist observers have recorded 5 research-grade sightings in the wild within 25 km, most recently on 2025-04-14.
2025-04-14
Hawaii, US
(c) Spencer Len Pote, some rights reserved (CC BY-NC)
2025-03-12
Kalaupapa National Historical Park, Kaunakakai, HI, US
(c) dryrunner, some rights reserved (CC BY-NC)
2024-09-13
Kalaupapa National Historical Park, Kaunakakai, HI, US
(c) ka_y_ak, some rights reserved (CC BY-NC)
2023-07-19
Molokaʻi, Kualapuu, HI, US
(c) Danielle Frohlich, some rights reserved (CC BY-NC)
2022-12-28
Maui, Hawaii, United States
(c) Kevin Faccenda, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Ageratina adenophora. BISH 75196. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956537348. Accessed via explore.bishopmuseum.org/specimens/bish/75196.
Record sources
- GBIF occurrence 5956537348 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026