Epipactis gigantea

stream orchid

Rarity

CNPS-EB: A1

One current natural population

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

Ecology

Flowers March - October
Habitats:
  • Freshwater Marsh
  • Riparian

Synonyms

  • Epipactis gigantea f. rubrifolia

Populations

Key
LocationPop IDLast RecordedNotes
Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo12022-06-04
Diablo Foothills Rgnl Park21995-12-31Historic
Niles Canyon area31892-12-31Historic