Ulva californica
Californian Sea Lettuce
Photo: (c) BJ Stacey, some rights reserved (CC BY-NC), uploaded by BJ Stacey (iNaturalist)
9
Bishop specimens
0
Type specimens
1919
First collected
1977
Last collected
2026
Last seen alive
Two centuries of collecting
The oldest Bishop specimen was collected in 1919 (Moss Beach, San Mateo). The Museum last collected it in 1977; iNaturalist observers have seen it in the wild as recently as October 9, 2026.
From the collection
Alive today
102 research-grade iNaturalist sightings in the wild since 2000. Most recent first.
2026-10-09
CA, US
(c) fern224, some rights reserved (CC BY-NC)
2026-09-11
Corona Del Mar, CA 92625, USA
(c) Calvin, some rights reserved (CC BY-NC)
2026-09-11
Mendocino County, CA, USA
no rights reserved
2026-09-10
Coast Blvd, San Diego, CA, US
(c) John Ugoretz, some rights reserved (CC BY-NC)
2026-09-05
Asilomar Coast Trail Connector From Sunset Drive to Spanish Bay, Del Monte Forest, CA, US
(c) claymam, some rights reserved (CC BY-NC)
2026-08-02
San Diego, CA 92107, USA
(c) mcnamasa, some rights reserved (CC BY-NC)
2026-07-19
Staircase Loop Eastern-Most Connector, Malibu, CA, US
(c) zoercollins, some rights reserved (CC BY-NC)
2026-06-20
Pelican Cove Park, 31300 Palos Verdes Dr S, Rancho Palos Verdes, CA 90275, USA
(c) dnygren, some rights reserved (CC BY-NC)