Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Acrosiphonia arcta
Green Tarantula Weed
As recorded: Spongomorpha arcta (Dillwyn) Kütz.
Plantae › Chlorophyta › Ulvophyceae › Ulotrichales › Ulotrichaceae
- Collected by
- Hehre, E.J.; Hodgdon, A.R.; Pike, R.B.; Stone, R.A.E.J. Hehre →A.R. Hodgdon →R.B. Pike →Round Stone →
- Collector number
- s.n.
- Date
- June 4, 1968
- Locality
- [World; North America; Canada; South Wolf Island; New Brunswick
- Island
- South Wolf
- Region
- New Brunswick, Canada
- Record type
- Preserved specimen
Acrosiphonia arcta observed alive
This specimen was collected in 1968. Since 2000, iNaturalist observers have recorded 64 research-grade sightings in the wild, most recently on 2026-08-30.
2026-08-30
Eurajoki, Suomi
(c) Kerttu Ylikotila, some rights reserved (CC BY-NC)
2026-05-18
Saint George Parish, NB, Canada
(c) Aidan Hicks, some rights reserved (CC BY-NC)
2026-04-18
Vancouver, BC, Canada
(c) malleable_rock, some rights reserved (CC BY-NC)
2026-04-18
Vancouver, BC, Canada
(c) malleable_rock, some rights reserved (CC BY-NC)
2026-04-12
North Pacific Ocean, CA, US
(c) all18, some rights reserved (CC BY-NC)
2026-04-04
North Pacific Ocean, Westhaven, CA, US
(c) caileighg, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Acrosiphonia arcta. BISH 686745. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956548077. Accessed via explore.bishopmuseum.org/specimens/bish/686745.
Record sources
- GBIF occurrence 5956548077 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026