
Amaranthus dubius
Spleen Amaranth
Photo: (c) Mike Ross, some rights reserved (CC BY-NC), uploaded by Mike Ross (iNaturalist)
25
Bishop specimens
0
Type specimens
1950
First collected
2025
Last collected
2025
Last seen alive in Hawaiʻi
In the Library
Bishop Museum publications whose pages name Amaranthus dubius, most mentions first.
2025
Imada, C.T., Faccenda, K., Thomas, M.K., Gallaher, T., Oppenhemier, H., Kennedy, B. & Kalei, A. (eds.) Hawaiian native & naturalized vascular plants checklist (2025 update). 780 pp. [published online 6 November 2025]· Contribution to the Hawaii Biological Survey · 2 pages
2024
Records of the Hawaii Biological Survey for 2024: VolumeEvenhuis, N.L. & Eldredge, L.G. (eds) · Records of the Hawaii Biological Survey · 1 page
2019
Hawaiian naturalized vascular plants checklist (February 2019 update)Imada, C. · Contribution to the Hawaii Biological Survey · 1 page
2013
Records of the Hawaii Biological Survey for 1994–2013: IndexEvenhuis, N.L. & Eldredge, L.G. (eds) · Records of the Hawaii Biological Survey · 1 page
2004
Records of the Hawaii Biological Survey for 2004: -05: ArticlesEvenhuis, N.L. & Eldredge, L.G. (eds) · Records of the Hawaii Biological Survey · 1 page
2000
Survey of invasive or potentially invasive cultivated plants in Hawai‘iStaples, G.W., D. Herbst & C.T. Imada · Contribution to the Hawaii Biological Survey · 1 page
Where Bishop collected it
6 mapped specimens. Localities of endangered species are shown approximately.
Two centuries of collecting
The oldest Bishop specimen was collected in 1950 by Fosberg, F.R. (Kwajalein Atoll).
From the collection
Alive today
4 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.

2025-03-20
McCully - Moiliili, Honolulu, HI, USA
(c) Mike Ross, some rights reserved (CC BY-NC)

2024-01-15
Honolulu, Hawaii, United States
(c) Mike Ross, some rights reserved (CC BY-NC)

2023-07-05
Liliha - Kapalama, Honolulu, HI, USA
(c) Mike Ross, some rights reserved (CC BY-NC)

2023-01-16
Honolulu, Hawaii, United States
(c) Kevin Faccenda, some rights reserved (CC BY)
