BISH 458331Botany

Petasites frigidus

Arctic Butterbur

As recorded: Petasites nivalis Greene

Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae

Collected by: St.John, H.
Collector number: 6823
Date: August 21, 1924
Locality: Whatcom, Sourdough Mt.
Region: Washington, United States
Elevation: 1,981 m
Record type: Preserved specimen

6 Bishop specimens of Petasites frigidus · collected 1924–1967Species page ›

Collected the same day

On August 21, 1924, St.John, H. also collected 24+ other specimens.

Petasites frigidus observed alive

This specimen was collected in 1924. Since 2000, iNaturalist observers have recorded 20,007 research-grade sightings in the wild, most recently on 2026-10-25.

2026-10-25

Marion, Oregon, United States

(c) Aden Sommerville, some rights reserved (CC BY)

2026-10-25

Marion, Oregon, United States

(c) Aden Sommerville, some rights reserved (CC BY)

2026-10-24

Julia Pfeiffer Burns State Park, Greenfield, CA, US

(c) Riley Wild, some rights reserved (CC BY-NC)

2026-10-24

Williams Canyon, Carmel, CA, US

(c) Nate Honderick, some rights reserved (CC BY-NC)

2026-10-24

Parkland County, AB, Canada

(c) Arthur Whiting, some rights reserved (CC BY)

2026-10-22

Edmonton, AB T6G 2A5, Canada

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

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

Cite this specimen

Petasites frigidus. BISH 458331. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956518266. Accessed via explore.bishopmuseum.org/specimens/bish/458331.

Record sources

GBIF occurrence 5956518266 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026