Mt. Diablo State Park - Summit and Upper area - 2500 ft and abo

Region: Mt. Diablo AreaKey
Mount Diablo bird's-beak (*A1)

(c) Ken-ichi Ueda (CC BY)

serpentine collomia (*A1)

(c) Ken-ichi Ueda (CC BY)

rock sanicle (*A2)

(c) kevinhintsa (CC BY-NC)

Scientific NameNotesRarity RanksCommon Name
Agoseris retrorsaCNPS-EB: A2spear-leaved agoseris
Allium acuminatumCNPS-EB: A1Hooker's onion
Allium falcifoliumCNPS-EB: A2sickle-leaved onion
Allophyllum gilioides subsp. gilioidesCNPS-EB: A2straggling gilia
Aphyllon pinorumCNPS-EB: A1pine broom-rape
Arctostaphylos glandulosa subsp. glandulosaCNPS-EB: A2Eastwood manzanita
Aspidotis californicaCNPS-EB: A2California lace fern
Calochortus pulchellusCNPS-EB: *A2
State CNPS: 1B.2
Mount Diablo fairy-lantern
Calystegia malacophylla subsp. pedicellataCNPS-EB: A2woolly morning-glory
Camissoniopsis hirtellaCNPS-EB: A2small primrose
Campanula exiguaCNPS-EB: *A2
State CNPS: 1B.2
chaparral harebell
Castilleja applegatei subsp. martiniiCNPS-EB: A2wavy-leaved indian paintbrush
Cirsium douglasii var. douglasiiCNPS-EB: A1swamp thistle
Cirsium occidentale var. californicum(var. venustum is more common)CNPS-EB: A2California thistle
Clarkia biloba subsp. bilobaCNPS-EB: A2lobed godetia
Clarkia modestaCNPS-EB: A2modest clarkia
Collinsia tinctoriaCNPS-EB: A2iodine collinsia
Collomia diversifoliaCNPS-EB: *A1
State CNPS: 4.3
serpentine collomia
Cordylanthus nidulariusCNPS-EB: *A1
State CNPS: 1B.1
CESA Status: CR
Mount Diablo bird's-beak
Cryptantha corollataformerly C. decipiens. Also includes previous records for C. rattaniiCNPS-EB: A2COAST RANGE CRYPTANTHA
Cryptantha juniperensis(formerly C. nevadensis var. rigida)CNPS-EB: A1Nevada cryptantha
Cryptantha microstachysCNPS-EB: A2Tejon cryptantha
Cryptantha muricata var. muricataCNPS-EB: A1showy prickly-nut cryptantha
Diplacus rattanii(formerly Mimulus rattanii)CNPS-EB: A2Rattan monkeyflower
Eleocharis parishiiCNPS-EB: A1Dombey's spike-rush
Epipactis giganteaCNPS-EB: A1stream orchid
Equisetum laevigatumCNPS-EB: A2smooth scouring rush
Eriogonum covilleanumCNPS-EB: A2Coville's wild buckwheat, Coville's eriogonum
Eriogonum inerme var. inermeCNPS-EB: A1unarmed buckwheat
Eriogonum luteolum var. luteolumCNPS-EB: A2golden-carpet wild buckwheat, golden carpet
Eriogonum umbellatum var. bahiiformePreviously mis-recorded as var. smallianum which does not occur in the East BayCNPS-EB: *A2
State CNPS: 4.2
Small's sulphur flower, bay buckwheat
Galium andrewsii subsp. gatenseCNPS-EB: *A2
State CNPS: 4.2
phlox-leaf serpentine bedstraw, serpentine bedstraw
Garrya flavescensCNPS-EB: A2silk tassel bush
Gilia capitata subsp. capitataCNPS-EB: A1blue field gilia
Githopsis diffusa subsp. robustaCNPS-EB: A2southern bluecup
Helianthella castaneaCNPS-EB: *A2
State CNPS: 1B.2
Diablo helianthella
Hesperolinon breweriCNPS-EB: *A2
State CNPS: 1B.2
Brewer's western flax
Hesperolinon micranthumCNPS-EB: A2small-flowered dwarf flax
Hosackia crassifolia var. crassifoliaCNPS-EB: A2broad-leaved lotus
Hydrophyllum occidentaleCNPS-EB: A1western waterleaf
Layia gaillardioidesCNPS-EB: A2woodland layia
Leptosiphon ambiguus(formerly Linanthus a.)CNPS-EB: *A2
State CNPS: 4.2
serpentine leptosiphon, serpentine linanthus
Leptosiphon bolanderi(formerly Linanthus b.)CNPS-EB: A1Bolander's linanthus, Bolander's leptosiphon
Lewisia rediviva var. redivivaCNPS-EB: A2bitterroot
Malacothrix clevelandiiCNPS-EB: A2Cleveland's malacothrix
Mentzelia dispersaCNPS-EB: A2Nada stick-leaf
Mentzelia micranthaCNPS-EB: A2small-flowered stick-leaf
Moehringia macrophyllaCNPS-EB: A2large-leaved sandwort, big-leaf sandwort
Monardella douglasiiCNPS-EB: A2fenestra monardella, Fenestra monardella
Monolopia gracilensCNPS-EB: *A2
State CNPS: 1B.2
woodland woollythreads, woodland monolopia
Myriopteris gracillimaCNPS-EB: A1lace fern
Pediomelum californicumCNPS-EB: A2indian breadroot
Phacelia phacelioidesCNPS-EB: *A2
State CNPS: 1B.2
Mount Diablo phacelia
Poa howelliiCNPS-EB: A2Howell's bluegrass
Sanicula saxatilisCNPS-EB: *A2
State CNPS: 1B.2
CESA Status: CR
rock sanicle
Sedum radiatum subsp. radiatum(formerly S. radiatum)CNPS-EB: A2coast range stonecrop, star-fruited stonecrop
Silene verecundaCNPS-EB: A1San Francisco campion, Cuyamaca campion
Streptanthus albidus subsp. peramoenusCNPS-EB: *A2
State CNPS: 1B.2
most beautiful jewel-flower
Streptanthus hispidusCNPS-EB: *A2
State CNPS: 1B.3
Mount Diablo jewelflower
Trifolium wormskioldiiCNPS-EB: A1cow clover
Viola sheltoniiCNPS-EB: A2Shelton's violet, fan violet
Androsace elongata subsp. acutaCNPS-EB: *A2
State CNPS: 4.2
California androsace
Arctostaphylos manzanita subsp. laevigataCNPS-EB: *A2
State CNPS: 1B.2
Contra Costa manzanita
Arctostaphylos manzanita subsp. manzanitaCNPS-EB: A2common manzanita
Calandrinia breweriCNPS-EB: *A2
State CNPS: 4.2
Brewer's calandrinia
Chenopodium berlandieri var. unknownSplit into 2 varieties. Sites need to be surveyed to determine vars..CNPS-EB: A2?pitseed goosefoot
Clarkia purpurea subsp. viminea(ssp. quadrivulnera more commonCNPS-EB: A1large godetia
Claytonia rubra subsp. depressaCNPS-EB: A1xminer's lettuce
Cuscuta occidentalis(formerly C. californica var.CNPS-EB: A1xCalifornia dodder
Delphinium californicum subsp. interiusCNPS-EB: *A2
State CNPS: 1B.2
Hospital Canyon larkspur
Diplacus douglasii(formerly Mimulus d.)CNPS-EB: A2Douglas monkeyflower
Elymus trachycaulus subsp. trachycaulusCNPS-EB: A1slender wheat grass
Eragrostis mexicana subsp. virescensCNPS-EB: A1Orcutt's eragrostis
Festuca elmeriCNPS-EB: A1Elmer's fescue
Horkelia californica var. elataCNPS-EB: A2tall horkelia
Hypericum scouleriCNPS-EB: A1xScouler's st. john's wort, Scouler's St. John's wort
Lasthenia glabrata subsp. glabrataCNPS-EB: A2yellow-ray goldfields
Lasthenia microglossaCNPS-EB: A2small-ray goldfields
Melica bulbosaCNPS-EB: A1onion grass
Pentachaeta exilis subsp. exilisCNPS-EB: A1meager pentachaeta
Phalaris lemmoniiCNPS-EB: A1Lemmon's canary-grass
Plectritis congesta subsp. congestaCNPS-EB: A1xsea blush
Salvia spathaceaCNPS-EB: A1California hummingbird sage, hummingbird sage
Sedella pentandra(formorely Parvisedum pentandrCNPS-EB: A1Mount Hamilton sedella
Triodanis bifloraCNPS-EB: A2Venus' looking-glass
Viola purpurea subsp. purpureaCNPS-EB: A1mountain violet
Allophyllum divaricatumCNPS-EB: B-PVstraggling gilia
Allophyllum gilioides subsp. violaceum(ssp. gilioides is more commonCNPS-EB: B-PVstraggling gilia
Aphyllon purpureumCNPS-EB: Cnaked broomrape
Aphyllon tuberosumCNPS-EB: B-PVbulbous broom-rape
Aphyllon vallicolaCNPS-EB: BCalifornia broom-rape
Apiastrum angustifoliumCNPS-EB: Cwild celery
Arnica discoideaCNPS-EB: Brayless arnica
Boechera breweri subsp. breweri(formerly Arabis breweri)CNPS-EB: B-PVBrewer's rockcress
Camissoniopsis intermediaCNPS-EB: B-PVsmall primrose
Carex serratodensCNPS-EB: Csaw-toothed sedge, bifid sedge
Clarkia concinna subsp. concinnaCNPS-EB: Clarge godetia
Clarkia gracilis subsp. gracilisCNPS-EB: Csummer's darling
Claytonia gypsophiloidesCNPS-EB: Bcoast range montia
Collinsia sparsiflora var. unknownCNPS-EB: C?few-flowered blue-eyed Mary
Cryptantha torreyana var. pumilaCNPS-EB: BTorrey's cryptantha
Delphinium californicum subsp. californicumCNPS-EB: Bcoast larkspur, California larkspur
Delphinium nudicauleCNPS-EB: Cred larkspur, orange larkspur
Delphinium variegatum subsp. variegatumCNPS-EB: Croyal larkspur
Ehrendorferia chrysantha(formerly Dicentra chrysantha)CNPS-EB: Bgolden ear-drops
Ericameria arborescensCNPS-EB: B-PVgolden-fleece
Erigeron petrophilus var. petrophilusCNPS-EB: Brock daisy
Eriogonum gracile var. gracileCNPS-EB: Cslender woolly wild buckwheat, slender buckwheat
Eriophyllum lanatum var. achilleoidesCNPS-EB: Cwoolly sunflower
Euphorbia ocellata subsp. ocellataCNPS-EB: Bvalley spurge
Fraxinus dipetalaCNPS-EB: BCalifornia ash, flowering ash
Garrya ellipticaCNPS-EB: B-PVsilk tassel bush
Gilia tricolor subsp. diffusaCNPS-EB: Cbirds-eye gilia
Horkelia californica var. frondosaCNPS-EB: Bleafy horkelia
Juniperus californicaCNPS-EB: CCalifornia juniper
Keckiella corymbosaCNPS-EB: Credwood penstemon
Layia hieracioidesCNPS-EB: B-PVtall layia
Layia platyglossaCNPS-EB: B-PVtidy-tips
Lepechinia calycinaCNPS-EB: Cpitcher sage
Lupinus pachylobusCNPS-EB: Bbig pod lupine
Lythrum californicumCNPS-EB: BCalifornia loosestrife
Madia exiguaCNPS-EB: C
Malacothamnus fremontii var. fremontiiCNPS-EB: B-PVwhite-coat mallow
Malacothrix flocciferaCNPS-EB: Cwoolly malacothrix
Myriopteris covilleiCNPS-EB: B-PVCoville's lip fern
Myriopteris intertextaCNPS-EB: Bcoastal lip fern
Navarretia mellitaCNPS-EB: Choney-scented navarretia
Navarretia pubescensCNPS-EB: Cdowny navarretia
Oenothera elata subsp. hookeriCNPS-EB: Cevening-primrose
Osmorhiza brachypodaCNPS-EB: CCalifornia cicely
Penstemon heterophyllus var. heterophyllusCNPS-EB: Bchaparral penstemon
Pentachaeta alsinoidesCNPS-EB: B-PVtiny pentachaeta
Phacelia breweriCNPS-EB: B-PVBrewer's phacelia
Phacelia divaricataCNPS-EB: B-PVdivaricate phacelia
Phacelia rattaniiCNPS-EB: BRattan's phacelia
Phacelia tanacetifoliaCNPS-EB: Btansy phacelia
Pickeringia montana var. montanaCNPS-EB: B-PVchaparral pea
Pinus coulteriCNPS-EB: B-PVCoulter pine
Quercus durata var. durataCNPS-EB: Bleather oak
Rhus aromatica(formerly R. trilobata)CNPS-EB: Cskunk bush, skunkbrush, squawbush
Ribes malvaceum var. malvaceumCNPS-EB: Cchaparral currant
Rigiopappus leptocladusCNPS-EB: Crigiopappus
Scutellaria tuberosaCNPS-EB: CDannie's skullcap
Sedum spathulifoliumCNPS-EB: Bbroadleaf stonecrop, Pacific stonecrop
Senecio aronicoidesCNPS-EB: B-PVrayless ragwort, California butterweed
Stellaria nitensCNPS-EB: B-PVshining chickweed
Tetrapteron graciliflorumCNPS-EB: B-PVhill sun cup
Thysanocarpus laciniatusCNPS-EB: Blacepod
Tonella tenellaCNPS-EB: B-PVsmall-flowered tonella
Trifolium columbinumCNPS-EB: Colive clover
Trifolium oliganthumCNPS-EB: Cfew-flowered clover
Viola purpurea subsp. quercetorumCNPS-EB: Cmountain violet
Wyethia glabra(W. helenioides is more commonCNPS-EB: Cmule ears
Agoseris heterophylla var. unknownAgoseris heterophylla split into 2 vars. in 2011 Jepson Manual, need field work to resolve vars.CNPS-EB: B?annual agoseris
Ancistrocarphus filagineusCNPS-EB: Cwoolly fishhooks
Apocynum cannabinumCNPS-EB: Bdogbane, Indian-hemp
Aralia californicaCNPS-EB: B-PVelk clover
Arbutus menziesiiCNPS-EB: CPacific madrone
Arctostaphylos glaucaCNPS-EB: Cbig-berried manzanita
Berula erectaCNPS-EB: Ccutleaf water-parsnip
Brickellia californicaCNPS-EB: CCalifornia brickellbush, California brickellia
Claytonia exigua subsp. exiguaCNPS-EB: Ccommon montia
Crocanthemum scoparium var. vulgare(formerly Helianthemum scoparium var. vulgare)CNPS-EB: Bpeak rush-rose
Cuscuta subinclusaCNPS-EB: Ccanyon dodder
Dudleya cymosa subsp. paniculataCNPS-EB: B-PVspreading dudleya
Elymus elymoides var. elymoidesCNPS-EB: Bsquirreltail
Elymus multisetusCNPS-EB: B-PVbig squirreltail
Festuca californicaCNPS-EB: B-PVCalifornia fescue
Frangula californica subsp. tomentella(formerly Rhamnus t.)CNPS-EB: Bhoary coffeeberry
Githopsis specularioidesCNPS-EB: Bcommon bluecup
Helianthus gracilentusCNPS-EB: Bslender sunflower
Heterotheca sessiliflora subsp. bolanderi(H. s. ssp. echioides is moreCNPS-EB: CBolander goldenaster
Juncus mexicanusCNPS-EB: CMexican rush
Koeleria macranthaCNPS-EB: B-PVjune grass
Melica californicaCNPS-EB: B-PVCalifornia melic
Nemophila pedunculataCNPS-EB: Bmeadow nemophila
Packera breweri(formerly Senecio b.)CNPS-EB: B-PVBrewer's ragwort, Brewer's butterweed
Papaver californicumCNPS-EB: Bfire poppy
Perideridia californicaCNPS-EB: CCalifornia yampah
Phacelia ciliataCNPS-EB: BGreat Valley phacelia, Great Valley phacelia
Phoradendron leucarpum subsp. macrophyllum(formerly P. serotinum subsp. macrophyllum, P. macrophyllum)CNPS-EB: Cbig leaf mistletoe
Piperia elegans subsp. elegansCNPS-EB: Ccoast piperia, elegant piperia
Piperia transversaCNPS-EB: Bflat spurred piperia, transverse piperia
Prunus subcordataCNPS-EB: CPacific plum, Sierra plum
Quercus berberidifoliaCNPS-EB: Cscrub oak
Quercus wislizeni var. frutescensCNPS-EB: Cshrubby interior live oak
Scirpus microcarpusCNPS-EB: Csmall-fruited bulrush
Silene laciniata subsp. californica(formerly Silene c.)CNPS-EB: CIndian pink, California pink, California Indian pink
Stipa pulchraCNPS-EB: B-PVpurple needlegrass
Trifolium dichotomumCNPS-EB: Cbranched indian clover
Trifolium obtusiflorumCNPS-EB: Bclammy clover, creek clover