Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Ulva intestinalis
Gutweed
As recorded: Ulva intestinalis L.
Plantae › Chlorophyta › Ulvophyceae › Ulvales › Ulvaceae
- Collected by
- Hoyle, M.D.
- Collector number
- 909
- Date
- April 7, 1977
- Locality
- Humboldt County; College Cove, northwest end
- Region
- California, United States
- Identified by
- (Nom. rev.) Walsh, S.
- Record type
- Preserved specimen
Collected the same day
On April 7, 1977, Hoyle, M.D. also collected 17 other specimens.
Alaria marginata
Botany
Analipus japonicus
Botany
Callithamnion pikeanum
Botany
Chaetomorpha linum
Botany
Cladophora columbiana
Botany
Delesseria decipiens
Botany
Dilsea californica
Botany
Hymenena flabelligera
Botany
Lessoniopsis littoralis
Botany
Neorhodomela oregona
Botany
Osmundea spectabilis
Botany
Plocamium cartilagineum
Botany
Polysiphonia hendryi
Botany
Polysiphonia paniculata
Botany
Prionitis sternbergii
Botany
Ptilota filicina
Botany
Rhodochorton purpureum
Botany
Ulva intestinalis observed alive
This specimen was collected in 1977. Since 2000, iNaturalist observers have recorded 3,000 research-grade sightings in the wild, most recently on 2026-10-22.
2026-10-22
Dumfries and Galloway, Scotland, United Kingdom
(c) Andrew Gibson, some rights reserved (CC BY-NC)
2026-10-22
Rocks Road at Tahunanui Beach, Tāhunanui, Nelson 7011, New Zealand
(c) abyssal_academic, some rights reserved (CC BY-NC)
2026-10-10
Castle Drive, Falmouth TR11 4NF, UK
(c) Echo Severs, some rights reserved (CC BY)
2026-10-10
Wellington, Wellington, NZ
(c) monicachristineee, some rights reserved (CC BY-NC)
2026-10-09
Av. Pres. Getúlio Vargas, 230 - Gonzaguinha, São Vicente - SP, 11310-100, Brasil
(c) Clara, some rights reserved (CC BY-NC)
2026-10-06
Bideford
(c) kevinmatthey, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Ulva intestinalis. BISH 636473. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956356100. Accessed via explore.bishopmuseum.org/specimens/bish/636473.
Record sources
- GBIF occurrence 5956356100 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026