Spirodela polyrhiza
Common Duckmeat
13
Bishop specimens
0
Type specimens
1918
First collected
2005
Last collected
2022
Last seen alive in Hawaiʻi
In the Library
Bishop Museum publications whose pages name Spirodela polyrhiza, most mentions first.
1997
Contributions to the flora of HawaiiWagner, W.L. & R.T. Shannon · Contribution to the Hawaii Biological Survey · 2 pages
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 · 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
2002
Index to the Records of the Hawaii Biological Survey for the years 1994 through 2000Evenhuis, N.L. · Contribution to 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
2000
New Hawaiian plant records for 1999Imada, C.T., G.W. Staples & D.R. Herbst · Contribution to the Hawaii Biological Survey · 1 page
2000
Records of the Hawaii Biological Survey for 1994–2000: IndexEvenhuis, N.L. & Eldredge, L.G. (eds) · Records of the Hawaii Biological Survey · 1 page
1999
Records of the Hawaii Biological Survey for 1999: ArticlesEvenhuis, N.L. & Eldredge, L.G. (eds) · Records of 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 1918 by Forbes, C.N. (Oʻahu).
From the collection
Alive today
2 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.
