Ambrosia chamissonis

beach bur-sage, beach-bur
Family:Asteraceae

Rarity

CNPS-EB: C

13 current natural populations

Criteria:
  • Limited/Threatened Habitat

Ecology

Flowers May - October
Habitats:
  • Coastal Strand
  • Sand, Sandstone

Synonyms

  • Ambrosia chamissonis var. bipinnatisecta
  • Franseria chamissonis subsp. bipinnatisecta
  • Franseria chamissonis

Populations

Key
LocationPop IDLast RecordedNotes
Alameda Shore12004-09-11
Albany Shoreline22023-08-02
Berkeley Shoreline32023-08-04
Berkeley Shoreline132022-06-30
Brooks Island Rgnl Park42005-12-31
Emeryville52023-08-10
Miller - Knox Rgnl Park92023-08-18
Pt. Molate72000-09-08
Pt. Molate142022-08-05
Richmond Shoreline102023-08-01
Richmond Shoreline152023-08-18
Rodeo Shoreline112004-07-08
San Lorenzo Creek - near bay122023-08-08
Oakland Shoreline162023-09-08Planted
Oyster Bay Rgnl Shoreline61958-12-31Historic
Pt. Richmond Area81975-12-31Historic