
Megathyrsus maximus
Guinea Grass
As recorded: Panicum maximum Jacq.
Plantae › Tracheophyta › Liliopsida › Poales › Poaceae
- Collected by
- Nagata, K.M.
- Date
- September 27, 1996
- Locality
- Ewa; Mauka of Varona Village.
- Island
- Oʻahu
- Region
- Honolulu, Hawai`i, United States
- Record type
- Preserved specimen
Megathyrsus maximus observed alive in Hawaiʻi
This specimen was collected in 1996. 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 1003237. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37888396. Accessed via explore.bishopmuseum.org/specimens/bish/1003237.
Record sources
- GBIF occurrence 37888396 ↗
- Data license: CC0
- Last harvested October 26, 2026
