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Ageratum conyzoides

Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution

BISH 73196Botany

Ageratum conyzoides

As recorded: Ageratum conyzoides L.

Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae

Collected by: St.John, H.; Christophersen, E.Erling Christophersen →Harold St.John →
Collector number: 10550
Date: May 10, 1930
Locality: Diamond Head Grassy bottom of crater
Island: Oʻahu
Region: Hawaii, United States
Elevation: 67 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

326 Bishop specimens of Ageratum conyzoides · collected 1851–2021Species page ›

Ageratum conyzoides observed alive in Hawaiʻi

This specimen was collected in 1930. Since 2000, iNaturalist observers have recorded 631 research-grade sightings in the wild, most recently on 2026-10-26.

Ageratum conyzoides observed 2026-10-26

2026-10-26

Aiea, HI, US

(c) mackies, some rights reserved (CC BY-NC)

Ageratum conyzoides observed 2026-10-22

2026-10-22

Lihiwai St, Hilo, HI, US

(c) Asher Lewis, some rights reserved (CC BY-NC)

Ageratum conyzoides observed 2026-10-03

2026-10-03

Hilo, HI 96720, USA

(c) Craig Ontl, some rights reserved (CC BY-NC)

Ageratum conyzoides observed 2026-10-01

2026-10-01

Hawaii County, HI, USA

(c) Craig Ontl, some rights reserved (CC BY-NC)

Ageratum conyzoides observed 2026-09-13

2026-09-13

Hawaiian Paradise Park, HI, USA

(c) David Martin, some rights reserved (CC BY-NC)

Ageratum conyzoides observed 2026-09-10

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 73196. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956232042. Accessed via explore.bishopmuseum.org/specimens/bish/73196.

Record sources

GBIF occurrence 5956232042 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026