Symphyotrichum lanceolatum var. hesperium

marsh aster
Family:Asteraceae

Rarity

CNPS-EB: A2

7 current natural populations

Criteria:
  • Disjunct

Ecology

Flowers July - August
Habitats:
  • Miscellaneous
  • Miscellaneous Wetlands
  • Riparian

All Symphyotrichum

Synonyms

  • Aster hesperius
  • Aster lanceolatus subsp. hesperius
  • Symphyotrichum lanceolatum subsp. hesperium

Populations

Key
LocationPop IDLast RecordedNotes
Mt. Diablo State Park - South side32009-08-10
Mt. Diablo State Park - South side42022-12-15
Mt. Diablo State Park - West side102023-08-31
Redwood Rgnl Park62009-09-04
Rodeo Shoreline52006-11-16
San Leandro Reservoir - EBMUD132019-11-23
Sobrante Ridge Rgnl Park112000-09-02
Alvarado11897-09-09Historic
Chabot Rgnl Park21991-09-07Historic
San Pablo Reservoir - EBMUD121991-09-28Historic
Sunol Rgnl Wilderness91999-11-26Historic
Tilden Rgnl Park - other or unknown sites71996-09-11Historic
Vollmer Peak Area81996-09-11Historic