Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Ageratum conyzoides
billygoat weed
As recorded: Ageratum conyzoides L.
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Gagné, B.H.
- Collector number
- s.n.
- Date
- March 1, 1975
- Locality
- Lower Kipahulu Valley, Area between upper pasture and the gauging station on Palakea Stream, for Resources Basic Inventory
- Island
- Maui
- 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 March 1, 1975, Gagné, B.H. also collected 24+ other specimens.
Ageratina riparia
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Amaranthus spinosus
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Carex wahuensis
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Cuphea carthagenensis
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Eleusine indica
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Geniostoma hedyosmifolium
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Geniostoma hirtellum
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Ipomoea alba
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Kadua affinis
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Lepisorus thunbergianus
Botany
Oxyrrhynchium selaginellifolium
Botany
Paspalum scrobiculatum
Botany
Peperomia cookiana
Botany
Polyscias oahuensis
Botany
Psilotum nudum
Botany
Psychotria kaduana
Botany
Rhynchospora caduca
Botany
Scaevola chamissoniana
Botany
Sida rhombifolia
Botany
Sigesbeckia orientalis
Botany
Stenogyne rugosa
Botany
Syzygium jambos
Botany
Tetramolopium humile
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Xanthium strumarium
Botany
Ageratum conyzoides observed alive in Hawaiʻi
This specimen was collected in 1975. Since 2000, iNaturalist observers have recorded 631 research-grade sightings in the wild, most recently on 2026-10-26.
2026-10-26
Aiea, HI, US
(c) mackies, some rights reserved (CC BY-NC)
2026-10-22
Lihiwai St, Hilo, HI, US
(c) Asher Lewis, some rights reserved (CC BY-NC)
2026-10-03
Hilo, HI 96720, USA
(c) Craig Ontl, some rights reserved (CC BY-NC)
2026-10-01
Hawaii County, HI, USA
(c) Craig Ontl, some rights reserved (CC BY-NC)
2026-09-13
Hawaiian Paradise Park, HI, USA
(c) David Martin, some rights reserved (CC BY-NC)
2026-09-10
Maui County, US-HI, US
(c) simcartographer, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Ageratum conyzoides. BISH 494169. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956690772. Accessed via explore.bishopmuseum.org/specimens/bish/494169.
Record sources
- GBIF occurrence 5956690772 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026