BISH 421824Botany

Thuarea involuta

Tropical Beachgrass

As recorded: Thuarea involuta (G.Forst.) R.Br. ex Roem. & Schult.

Plantae › Tracheophyta › Liliopsida › Poales › Poaceae

Collected by: St.John, H.; Cowan, R.S.R.S. Cowan →Harold St.John →
Collector number: 21832q
Date: August 30, 1946
Locality: Ailuk Islet
Island: Ailuk Atoll
Region: Marshall Islands
Identified by: Clayton, W.D.
Record type: Preserved specimen

193 Bishop specimens of Thuarea involuta · collected 1874–2009Species page ›

Collected the same day

On August 30, 1946, St.John, H.; Cowan, R.S. also collected 24+ other specimens.

Thuarea involuta observed alive

This specimen was collected in 1946. Since 2000, iNaturalist observers have recorded 196 research-grade sightings in the wild, most recently on 2026-09-28.

2026-09-28

Douglas, Queensland, Australia

(c) Joseph Knight, some rights reserved (CC BY-NC)

2026-09-04

Semporna, Sabah, Malaysia

(c) Bernhard Fischer, some rights reserved (CC BY-NC)

2026-08-28

Green Island, Cairns - Trinity, Queensland, Australia

(c) Richard Littauer, some rights reserved (CC BY)

2026-08-26

Orient QLD, Australia

(c) Russell Cumming, some rights reserved (CC BY-NC)

2026-08-09

太平洋, 沖繩縣, JP

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

2026-08-08

Helipad, Heron Island QLD 4680, Australia

(c) Martin Rady, some rights reserved (CC BY)

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

Cite this specimen

Thuarea involuta. BISH 421824. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956412830. Accessed via explore.bishopmuseum.org/specimens/bish/421824.

Record sources

GBIF occurrence 5956412830 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026