Helenium bigelovii

Bigelow's sneezeweed
Family:Asteraceae

Rarity

CNPS-EB: A2

12 current natural populations

Criteria:
  • Limited/Threatened Habitat
  • Narrow Range in ALA & CCA
  • Small Populations

Ecology

Flowers July - August
Habitats:
  • Brackish Marsh
  • Freshwater Marsh

Synonyms

  • Heleniastrum bigelovii
  • Heleniastrum occidentale
  • Heleniastrum rivulare
  • Helenium rivulare

Populations

Key
LocationPop IDLast RecordedNotes
Antioch Dunes12023-06-21
Antioch Dunes112023-06-21
Antioch Shoreline22022-06-18
Big Break, Antioch82019-11-03
Browns Island32017-10-01
Concord Naval Weapons Station42024-10-17
Corteva Wetlands52021-08-01
Corteva Wetlands132022-08-28
Dutch Slough92021-06-25
Dutch Slough102021-05-28
Pittsburg Shore122022-06-02
Winter Island142021-07-07
Clifton Court Forebay - E of Byron71990-12-31Historic
Martinez shoreline - out of park or specific site unknown61900-06-07Historic