Oenothera deltoides subsp. howellii

Antioch Dunes evening-primrose
Family:Onagraceae

Rarity

CNPS-EB: *A2
State CNPS: 1B.1
FESA Status: FE
CESA Status: CE
Global Rank: G5T1
CNDDB Rank: S1

5 current natural populations

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

Ecology

Flowers March - September
Habitats:
  • Sand, Sandstone
  • Scrub (Coastal or Interior)

All Oenothera

Populations

Key
LocationPop IDLast RecordedNotes
Antioch Dunes12022-04-20
Antioch Dunes102022-05-06
Antioch Shoreline22012-08-28
Big Break, Antioch42011-04-23
Big Break, Antioch52019-05-03
Antioch Shoreline31978-07-18Historic
Browns Island72008-10-06Planted
Lime Ridge area91996-04-25Historic
Pittsburg Shore81979-12-31Historic