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Juncus bufonius

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

BISH 407920Botany

Juncus bufonius

Toad rush

As recorded: Juncus bufonius L.

Plantae › Tracheophyta › Liliopsida › Poales › Juncaceae

Collected by: St.John, H.; Baker, R.J.; Coulter, J.W.; Fosberg, F.R.; Yuncker, T.G.R.J. Baker →J.W. Coulter →F. Raymond Fosberg →Harold St.John →Truman George Yuncker →
Collector number: 12435
Date: December 21, 1932
Locality: Side of Waikolu Gulch
Island: Molokaʻi
Region: Hawaii, United States
Elevation: 1,128 m
Identified by: Coffey, J.C.
Record type: Preserved specimen

63 Bishop specimens of Juncus bufonius · collected 1910–2022Species page ›

Collected the same day

On December 21, 1932, St.John, H.; Baker, R.J.; Coulter, J.W.; Fosberg, F.R.; Yuncker, T.G. also collected 24+ other specimens.

Juncus bufonius observed alive in Hawaiʻi

This specimen was collected in 1932. Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild, most recently on 2026-10-23.

Juncus bufonius observed 2026-10-23

2026-10-23

Haleakalā National Park, Kula, HI, US

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

Juncus bufonius observed 2026-01-07

2026-01-07

Nāpali Coast State Wilderness Park, Princeville, HI, US

(c) Graham Steinruck, some rights reserved (CC BY-NC)

Juncus bufonius observed 2023-09-18

2023-09-18

Maui County, HI, USA

(c) Kevin Faccenda, some rights reserved (CC BY)

Juncus bufonius observed 2023-09-18

2023-09-18

Maui County, HI, USA

(c) NPS - pacific island vegetation monitoring, some rights reserved (CC BY-NC)

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

Cite this specimen

Juncus bufonius. BISH 407920. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956571231. Accessed via explore.bishopmuseum.org/specimens/bish/407920.

Record sources

GBIF occurrence 5956571231 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026