Calochortus pulchellus

Mount Diablo fairy-lantern
Family:Liliaceae

Rarity

CNPS-EB: *A2
State CNPS: 1B.2
Global Rank: G2
CNDDB Rank: S2

37 current natural populations

Criteria:
  • Small Geographical Range

Ecology

Flowers April - June
Habitats:
  • Chaparral
  • Serpentine or Serpentine-derived soils
  • Woodland

All Calochortus

  • C. clavatus var. pallidus (A1)
  • C. invenustus (A1x)
  • C. pulchellus
  • C. splendens (A2)
  • C. umbellatus (*A2)
  • Populations

    Key
    LocationPop IDLast RecordedNotes
    Black Diamond Rgnl Preserve12021-04-22
    Black Diamond Rgnl Preserve512012-05-12
    Briones Rgnl Park22020-05-03
    Briones Rgnl Park32020-05-06
    Briones Rgnl Park62003-05-16
    Briones Rgnl Park72003-05-18
    Briones Rgnl Park562023-04-28
    Briones Rgnl Park572024-04-28
    Carquinez Strait Rgnl Park112015-04-23
    Carquinez Strait Rgnl Park132011-05-31
    Chaparral Springs - S of Clayton82003-12-31
    Diablo Foothills Rgnl Park142021-04-30
    Lime Ridge area372021-04-30
    Los Vaqueros Watershed392004-05-04
    Marsh Creek Road482009-04-03
    Morgan Territory Rgnl Park402020-05-07
    Morgan Territory Rgnl Park412022-04-01
    Morgan Territory Rgnl Park432022-04-25
    Morgan Territory Road452014-04-22
    Mt. Diablo State Park - East side152021-05-15
    Mt. Diablo State Park - North side162008-04-26
    Mt. Diablo State Park - North side172023-04-16
    Mt. Diablo State Park - North side182018-04-28
    Mt. Diablo State Park - North side192021-04-23
    Mt. Diablo State Park - North side212008-04-26
    Mt. Diablo State Park - North side282022-05-29
    Mt. Diablo State Park - North side532016-04-21
    Mt. Diablo State Park - North side542019-04-09
    Mt. Diablo State Park - North side552015-05-12
    Mt. Diablo State Park - South side232021-04-30
    Mt. Diablo State Park - South side242021-05-02
    Mt. Diablo State Park - South side252010-06-02
    Mt. Diablo State Park - South side262015-04-24
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo272021-04-13
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo302011-06-12
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo312009-06-16
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo332007-05-18
    Briones Rgnl Park41994-05-25Historic
    Briones Rgnl Park51992-05-03Historic
    Carquinez Strait Rgnl Park101994-05-12Historic
    Carquinez Strait Rgnl Park121992-05-14Historic
    Clayton Ranch - SE of Clayton, EBRPD91998-12-31Historic
    Lime Ridge area381996-04-18Historic
    Morgan Territory Rgnl Park421992-05-14Historic
    Morgan Territory Rgnl Park441999-12-31Historic
    Morgan Territory Road461989-12-31Historic
    Mt. Diablo State Park - North side201991-04-07Historic
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo221991-05-26Historic
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo291991-04-21Historic
    Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo321985-04-18Historic
    Mt. Diablo State Park - West side341991-04-14Historic
    Mt. Diablo State Park - West side351992-04-03Historic
    Mt. Diablo State Park - West side361994-12-31Historic
    Mt. Wanda, Martinez491993-12-31Historic
    Round Valley Rgnl Park471996-03-01Historic
    San Leandro Reservoir - EBMUD501993-12-31Historic