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Erigeron canadensis

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

BISH 75143Botany

Erigeron canadensis

horseweed

As recorded: Erigeron canadensis var. pusillus (Nutt.) B.Boivin

Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae

Collected by: Rock, J.F.C.
Collector number: 8559
Date: September 1, 1910
Locality: East Maui, Haleakala slopes
Island: Maui
Region: Hawaii, United States
Identified by: Faccenda, K.
Record type: Preserved specimen

155 Bishop specimens of Erigeron canadensis · collected 1851–2022Species page ›

Erigeron canadensis observed alive in Hawaiʻi

This specimen was collected in 1910. Since 2000, iNaturalist observers have recorded 101 research-grade sightings in the wild, most recently on 2026-09-09.

Erigeron canadensis observed 2026-09-09

2026-09-09

Hawaii Kai, Honolulu, HI, USA

no rights reserved

Erigeron canadensis observed 2026-09-05

2026-09-05

Kinoole St, Hilo, HI, US

(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)

Erigeron canadensis observed 2026-08-09

2026-08-09

Kaumalumalu Dr, Hōlualoa, HI, US

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

Erigeron canadensis observed 2026-07-02

2026-07-02

Oʻahu, Nānākuli, HI, US

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

Erigeron canadensis observed 2026-07-01

2026-07-01

Puʻuhonua o Hōnaunau National Historical Park, Hōnaunau-Nāpōʻopoʻo, HI, US

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

Erigeron canadensis observed 2026-06-27

2026-06-27

Manowaiopae Homestead Rd, Hilo, HI, US

(c) k2panman, some rights reserved (CC BY-NC)

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Erigeron canadensis. BISH 75143. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956691423. Accessed via explore.bishopmuseum.org/specimens/bish/75143.

Record sources

GBIF occurrence 5956691423 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026