Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Megathyrsus maximus
Guinea Grass
As recorded: Urochloa maxima (Jacq.) R.D.Webster
Plantae › Tracheophyta › Liliopsida › Poales › Poaceae
- Collected by
- Lyman, R.A.
- Collector number
- TN83
- Date
- August 11, 1939
- Locality
- Pensacola
- Island
- Oʻahu
- Region
- Hawaii, United States
- Identified by
- Faccenda, K.
- Record type
- Preserved specimen
Collected the same day
On August 11, 1939, Lyman, R.A. also collected 1 other specimen.
Megathyrsus maximus observed alive in Hawaiʻi
This specimen was collected in 1939. Since 2000, iNaturalist observers have recorded 2,191 research-grade sightings in the wild, most recently on 2026-10-24.
2026-10-24
West Loch Estate, HI 96706, USA
no rights reserved
2026-10-24
Hawi, HI, USA
(c) daleball, some rights reserved (CC BY-NC)
2026-10-23
Oʻahu, Honolulu, HI, US
(c) birdbirdbird, some rights reserved (CC BY-NC)
2026-10-21
Haleakalā National Park, Hana, HI, US
(c) ka_y_ak, some rights reserved (CC BY-NC)
2026-10-17
Kauaʻi, Hā’ena, HI, US
(c) Phillip, some rights reserved (CC BY-NC)
2026-10-16
Kauai County, US-HI, US
(c) dvanlare, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Megathyrsus maximus. BISH 786365. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956369812. Accessed via explore.bishopmuseum.org/specimens/bish/786365.
Record sources
- GBIF occurrence 5956369812 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026