Mt. Diablo State Park - South side

Region: Mt. Diablo AreaKey
California androsace (*A2)

(c) Matt Berger (CC BY)

Mount Diablo manzanita (*A2)

(c) jmguelich-sf (CC BY-NC)

Contra Costa manzanita (*A2)

(c) kevinhintsa (CC BY-NC)

Scientific NameNotesRarity RanksCommon Name
Agoseris retrorsaCNPS-EB: A2spear-leaved agoseris
Agrostis halliiCNPS-EB: A2Hall's bent grass
Androsace elongata subsp. acutaCNPS-EB: *A2
State CNPS: 4.2
California androsace
Antirrhinum kelloggiiCNPS-EB: A1lax snapdragon
Arctostaphylos auriculataCNPS-EB: *A2
State CNPS: 1B.3
Mount Diablo manzanita
Arctostaphylos glandulosa subsp. glandulosaCNPS-EB: A2Eastwood manzanita
Arctostaphylos manzanita subsp. laevigataCNPS-EB: *A2
State CNPS: 1B.2
Contra Costa manzanita
Aspidotis californicaCNPS-EB: A2California lace fern
Calandrinia breweriCNPS-EB: *A2
State CNPS: 4.2
Brewer's calandrinia
Calochortus pulchellusCNPS-EB: *A2
State CNPS: 1B.2
Mount Diablo fairy-lantern
Calochortus splendensCNPS-EB: A2splendid mariposa-lily
Calochortus umbellatusCNPS-EB: *A2
State CNPS: 4.2
Oakland star-tulip
Camissoniopsis hirtellaCNPS-EB: A2small primrose
Campanula exiguaCNPS-EB: *A2
State CNPS: 1B.2
chaparral harebell
Carex multicostataCNPS-EB: A1many-ribbed sedge
Cirsium occidentale var. californicum(var. venustum is more common)CNPS-EB: A2California thistle
Clarkia purpurea subsp. purpurea(ssp. quadrivulnera is more coCNPS-EB: A2purple clarkia
Cornus glabrataCNPS-EB: A1brown dogwood
Cryptantha clevelandii var. florosaCNPS-EB: A2Cleveland's cryptantha
Cryptantha micromeresCNPS-EB: A2minute-flowered cryptantha
Cryptantha microstachysCNPS-EB: A2Tejon cryptantha
Cyperus nigerCNPS-EB: A2black sedge
Eriogonum covilleanumCNPS-EB: A2Coville's wild buckwheat, Coville's eriogonum
Eryngium castrenseCNPS-EB: A2great valley coyote-thistle, Vasey's coyote-thistle
Eryngium jepsoniiCNPS-EB: *A2
State CNPS: 1B.2
Galium andrewsii subsp. gatenseCNPS-EB: *A2
State CNPS: 4.2
phlox-leaf serpentine bedstraw, serpentine bedstraw
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
Hordeum brachyantherum subsp. californicum(ssp. brachyantherum is more commonCNPS-EB: A1California barley
Isoetes howelliiCNPS-EB: A1Howell's quillwort
Malacothamnus hallii(M. fasciculatus in Jepson ManCNPS-EB: *A2
State CNPS: 1B.2
Hall's bush-mallow
Malacothrix clevelandiiCNPS-EB: A2Cleveland's malacothrix
Micropus californicus var. subvestitus(var. californicus is more common)CNPS-EB: A2slender cottonweed
Monolopia gracilensCNPS-EB: *A2
State CNPS: 1B.2
woodland woollythreads, woodland monolopia
Phacelia phacelioidesCNPS-EB: *A2
State CNPS: 1B.2
Mount Diablo phacelia
Pinus attenuataCNPS-EB: A1knobcone pine
Piperia michaeliiCNPS-EB: *A2
State CNPS: 4.2
Michael's rein-orchid
Streptanthus hispidusCNPS-EB: *A2
State CNPS: 1B.3
Mount Diablo jewelflower
Symphyotrichum lanceolatum var. hesperium(formerly Aster lanceolatus ssCNPS-EB: A2marsh aster
Trifolium wormskioldiiCNPS-EB: A1cow clover
Triodanis bifloraCNPS-EB: A2Venus' looking-glass
Viburnum ellipticumCNPS-EB: *A2
State CNPS: 2B.3
oval-leaved viburnum
Ammannia coccineaCNPS-EB: A2long-leaved ammannia
Apocynum androsaemifoliumCNPS-EB: A2bitter dogbane, dogbane
Arctostaphylos manzanita subsp. manzanitaCNPS-EB: A2common manzanita
Calamagrostis rubescensCNPS-EB: A2pine reed grass, pine grass
Chenopodium berlandieri var. sinuatumCNPS-EB: A1
Chenopodium berlandieri var. unknownSplit into 2 varieties. Sites need to be surveyed to determine vars..CNPS-EB: A2?pitseed goosefoot
Cicendia quadrangularisCNPS-EB: A2timwort
Cirsium douglasii var. douglasiiCNPS-EB: A1swamp thistle
Claytonia exigua subsp. glauca(ssp. exigua is more common)CNPS-EB: A1xclaytonia
Claytonia rubra subsp. depressaCNPS-EB: A1xminer's lettuce
Collomia heterophyllaCNPS-EB: A1variable-leaf collomia
Cryptantha juniperensis(formerly C. nevadensis var. rigida)CNPS-EB: A1Nevada cryptantha
Epilobium torreyiCNPS-EB: A2narrow-leaved boisduvalia
Equisetum laevigatumCNPS-EB: A2smooth scouring rush
Eriogonum truncatumCNPS-EB: *A1
State CNPS: 1B.1
Mount Diablo buckwheat
Festuca octofloraCNPS-EB: A2sixweeks grass, slender fescue
Githopsis diffusa subsp. robustaCNPS-EB: A2southern bluecup
Gratiola ebracteataCNPS-EB: A1bractless hedge-hyssop
Heterocodon rariflorumCNPS-EB: A1heterocodon
Lasthenia glabrata subsp. glabrataCNPS-EB: A2yellow-ray goldfields
Layia gaillardioidesCNPS-EB: A2woodland layia
Lithophragma bolanderiCNPS-EB: A1Bolander starflower
Mentzelia micranthaCNPS-EB: A2small-flowered stick-leaf
Microseris elegansCNPS-EB: A1elegant microseris
Nuttallanthus texanusCNPS-EB: A2blue toadflax
Panicum capillareCNPS-EB: A2witch grass
Perideridia oreganaCNPS-EB: A2yampah
Phacelia suaveolensCNPS-EB: A1xsweet-scented phacelia
Poa howelliiCNPS-EB: A2Howell's bluegrass
Stephanomeria elataCNPS-EB: A1stephanomeria
Trifolium barbigerumCNPS-EB: A2bearded clover
Allophyllum divaricatumCNPS-EB: B-PVstraggling gilia
Allophyllum gilioides subsp. violaceum(ssp. gilioides is more commonCNPS-EB: B-PVstraggling gilia
Amaranthus blitoidesCNPS-EB: Cprocumbent pigweed, prostrate amaranth
Amsinckia lycopsoidesCNPS-EB: Cbugloss-flowered fiddleneck, bugloss fiddleneck
Aphyllon tuberosumCNPS-EB: B-PVbulbous broom-rape
Apocynum cannabinumCNPS-EB: Bdogbane, Indian-hemp
Arctostaphylos crustacea subsp. crustaceaCNPS-EB: Cbrittleleaf manzanita
Arnica discoideaCNPS-EB: Brayless arnica
Blepharizonia laxa(formerly B. plumosa ssp. viscCNPS-EB: Bbig tarplant
Camissoniopsis intermediaCNPS-EB: B-PVsmall primrose
Carex barbaraeCNPS-EB: Cwhiteroot sedge, Santa Barbara sedge, St. Barbara's sedge
Carex globosaCNPS-EB: Bround-fruited sedge
Carex nudataCNPS-EB: Btorrent sedge
Carex praegracilisCNPS-EB: Cblack creeper sedge, freeway sedge, deer-bed sedge
Carex serratodensCNPS-EB: Csaw-toothed sedge, bifid sedge
Castilleja rubicundula subsp. lithospermoidesCNPS-EB: Bcream sacs
Crassula aquaticaCNPS-EB: Bwater pygmy-weed
Crocanthemum scoparium var. vulgare(formerly Helianthemum scoparium var. vulgare)CNPS-EB: Bpeak rush-rose
Cuscuta subinclusaCNPS-EB: Ccanyon dodder
Datisca glomerataCNPS-EB: Cdurango root
Delphinium hesperium subsp. hesperiumCNPS-EB: Bwestern larkspur
Dudleya cymosa subsp. paniculataCNPS-EB: B-PVspreading dudleya
Ehrendorferia chrysantha(formerly Dicentra chrysantha)CNPS-EB: Bgolden ear-drops
Eleocharis acicularis var. acicularisCNPS-EB: Bneedle spike-rush
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
Festuca californicaCNPS-EB: B-PVCalifornia fescue
Garrya ellipticaCNPS-EB: B-PVsilk tassel bush
Helianthus californicusCNPS-EB: BCalifornia sunflower
Helianthus gracilentusCNPS-EB: Bslender sunflower
Hesperolinon californicumCNPS-EB: B-PVCalifornia dwarf flax
Hieracium albiflorumCNPS-EB: Cwhite hawkweed
Layia hieracioidesCNPS-EB: B-PVtall layia
Lepechinia calycinaCNPS-EB: Cpitcher sage
Luzula macranthaCNPS-EB: C
Lythrum californicumCNPS-EB: BCalifornia loosestrife
Malacothamnus fremontii var. fremontiiCNPS-EB: B-PVwhite-coat mallow
Montia fontanaCNPS-EB: B-PVwater chickweed, blinks, water chickweed
Navarretia mellitaCNPS-EB: Choney-scented navarretia
Osmorhiza brachypodaCNPS-EB: CCalifornia cicely
Packera breweri(formerly Senecio b.)CNPS-EB: B-PVBrewer's ragwort, Brewer's butterweed
Papaver californicumCNPS-EB: Bfire poppy
Penstemon heterophyllus var. heterophyllusCNPS-EB: Bchaparral penstemon
Pentachaeta alsinoidesCNPS-EB: B-PVtiny pentachaeta
Perideridia californicaCNPS-EB: CCalifornia yampah
Pickeringia montana var. montanaCNPS-EB: B-PVchaparral pea
Pinus coulteriCNPS-EB: B-PVCoulter pine
Piperia elongataCNPS-EB: Cchaparral orchid, wood rein-orchid, elongate piperia
Piperia transversaCNPS-EB: Bflat spurred piperia, transverse piperia
Ribes malvaceum var. malvaceumCNPS-EB: Cchaparral currant
Rigiopappus leptocladusCNPS-EB: Crigiopappus
Rosa spithameaCNPS-EB: Ccoast ground rose, ground rose
Sagina decumbens subsp. occidentalis(S. apetala is more common)CNPS-EB: Bwestern pearlwort
Scribneria bolanderiCNPS-EB: BScribner's grass
Scutellaria tuberosaCNPS-EB: CDannie's skullcap
Sedum spathulifoliumCNPS-EB: Bbroadleaf stonecrop, Pacific stonecrop
Stebbinsoseris heterocarpaCNPS-EB: Cgrassland silverpuffs, derived microseris
Stipa cernuaCNPS-EB: B-PVnodding needlegrass
Trifolium obtusiflorumCNPS-EB: Bclammy clover, creek clover
Acmispon strigosusCNPS-EB: Bstrigose trefoil
Agoseris heterophylla var. heterophyllaCNPS-EB: C
Ancistrocarphus filagineusCNPS-EB: Cwoolly fishhooks
Apiastrum angustifoliumCNPS-EB: Cwild celery
Arbutus menziesiiCNPS-EB: CPacific madrone
Arctostaphylos glaucaCNPS-EB: Cbig-berried manzanita
Cirsium cymosum var. cymosumCNPS-EB: B-PVperegrine thistle
Claytonia exigua subsp. exiguaCNPS-EB: Ccommon montia
Cordylanthus pilosus subsp. pilosusCNPS-EB: Bhairy bird's-beak
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
Deschampsia elongataCNPS-EB: B-PVslender hair grass
Elymus elymoides var. elymoidesCNPS-EB: Bsquirreltail
Erigeron philadelphicus var. philadelphicusCNPS-EB: Cfleabane
Erythranthe nasutaCNPS-EB: Bshy monkeyflower
Festuca idahoensisCNPS-EB: B-PVIdaho fescue, blue bunchgrass
Frangula californica subsp. tomentella(formerly Rhamnus t.)CNPS-EB: Bhoary coffeeberry
Githopsis specularioidesCNPS-EB: Bcommon bluecup
Gruvelia pusilla(formerly Pectocarya pusilla)CNPS-EB: Blittle pectocarya
Heterotheca sessiliflora subsp. bolanderi(H. s. ssp. echioides is moreCNPS-EB: CBolander goldenaster
Juncus mexicanusCNPS-EB: CMexican rush
Juniperus californicaCNPS-EB: CCalifornia juniper
Koeleria macranthaCNPS-EB: B-PVjune grass
Leptosiphon androsaceus(formerly Linanthus a.)CNPS-EB: Ccommon linanthus, common leptosiphon
Leptosiphon ciliatus(formerly Linanthus c.)CNPS-EB: Cwhisker brush
Leptosiphon pygmaeus subsp. continentalis(formerly Linanthus p. ssp. c.CNPS-EB: Bpygmy linanthus, pygmy leptosiphon
Lupinus pachylobusCNPS-EB: Bbig pod lupine
Madia exiguaCNPS-EB: C
Monolopia majorCNPS-EB: Bcupped monolopia
Navarretia pubescensCNPS-EB: Cdowny navarretia
Oenothera elata subsp. hookeriCNPS-EB: Cevening-primrose
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
Plagiobothrys acanthocarpusCNPS-EB: B-PVadobe popcornflower, adobe allocarya
Plagiobothrys canescens var. canescensCNPS-EB: Cvalley popcornflower
Plagiobothrys tenellusCNPS-EB: BPacific popcornflower, slender popcornflower
Platanus racemosaCNPS-EB: Cwestern sycamore, California sycamore
Pseudognaphalium beneolens(formerly Gnaphalium canescensCNPS-EB: Cfragrant everlasting
Quercus berberidifoliaCNPS-EB: Cscrub oak
Quercus garryana var. garryanaCNPS-EB: BOregon oak
Quercus lobataCNPS-EB: Cvalley oak, roble
Quercus wislizeni var. frutescensCNPS-EB: Cshrubby interior live oak
Ranunculus canus var. canusCNPS-EB: CSacramento Valley buttercup
Rhus aromatica(formerly R. trilobata)CNPS-EB: Cskunk bush, skunkbrush, squawbush
Rorippa curvisiliquaCNPS-EB: Byellow cress
Rumex salicifolius(formerly R. salicifolius var. salicifolius)CNPS-EB: Bwillow dock
Senecio aronicoidesCNPS-EB: B-PVrayless ragwort, California butterweed
Stellaria nitensCNPS-EB: B-PVshining chickweed
Stipa lepidaCNPS-EB: B-PVfoothill needlegrass
Stipa pulchraCNPS-EB: B-PVpurple needlegrass
Tetrapteron graciliflorumCNPS-EB: B-PVhill sun cup
Thysanocarpus laciniatusCNPS-EB: Blacepod
Trifolium columbinumCNPS-EB: Colive clover
Trifolium dichotomumCNPS-EB: Cbranched indian clover
Tropidocarpum gracileCNPS-EB: B-PVslender tropidocarpum
Viola purpurea subsp. quercetorumCNPS-EB: Cmountain violet
Zeltnera davyi(formerly Centaurium d.)CNPS-EB: BDavy's centaury, conchalagua