Ulva intestinalis
Gutweed
135
Bishop specimens
0
Type specimens
1846
First collected
2004
Last collected
2026
Last seen alive in Hawaiʻi
Where Bishop collected it
47 mapped specimens. Localities of endangered species are shown approximately.
Two centuries of collecting
The oldest Bishop specimen was collected in 1846 by Westendorp, G.D.; Wallays, A.C.F. (Bruges). The Museum last collected it in 2004; iNaturalist observers have seen it in the wild as recently as May 31, 2026.
From the collection
Alive today
6 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.

2026-05-31
Papa‘iloa Beach, Haleiwa, HI, US
(c) Stefan Cranston, some rights reserved (CC BY-NC)

2026-04-24
Kulamanu Pl, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2024-11-02
Oneʻula Beach, Ewa Beach, HI, US
(c) iwilkins, some rights reserved (CC BY-NC)

2023-12-04
Hawaii County, US-HI, US
(c) tiarrek, some rights reserved (CC BY-NC)

2022-05-15
One Ali'i, Moloka'i, Hawai'i, USA
(c) sea-kangaroo, some rights reserved (CC BY-NC-ND)

2018-01-07
Kihei, HI 96753, Kihei, HI, US
(c) John Starmer, some rights reserved (CC BY-NC)
