Cordylanthus nidularius

Mount Diablo bird's-beak

Rarity

CNPS-EB: *A1
State CNPS: 1B.1
Global Rank: G1
CNDDB Rank: S1
CESA Status: CR

2 current natural populations

Criteria:
  • Limited/Threatened Habitat
  • Small Geographical Range

Ecology

Flowers July - August
Habitats:
  • Chaparral
  • Serpentine or Serpentine-derived soils

All Cordylanthus

  • C. nidularius
  • C. pilosus subsp. pilosus (B)
  • C. rigidus subsp. rigidus (A1)
  • Populations

    Key
    LocationPop IDLast Recorded
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo12023-08-13
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo22022-08-10