Black Diamond Area
Species
Key| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Amsinckia grandiflora | CNPS-EB: *A1 State CNPS: 1B.1 FESA Status: FE CESA Status: CE | large-flowered fiddleneck | |
| Amsinckia tessellata var. tessellata | CNPS-EB: A1 | desert fiddleneck, devil's lettuce | |
| Arctostaphylos auriculata | CNPS-EB: *A2 State CNPS: 1B.3 | Mount Diablo manzanita | |
| Arctostaphylos manzanita subsp. laevigata | CNPS-EB: *A2 State CNPS: 1B.2 | Contra Costa manzanita | |
| Arctostaphylos manzanita subsp. manzanita | CNPS-EB: A2 | common manzanita | |
| Atriplex coronata var. coronata | CNPS-EB: *A2 State CNPS: 4.2 | crownscale | |
| Blepharizonia plumosa | CNPS-EB: *A2 State CNPS: 1B.1 | big tarplant | |
| Calandrinia breweri | CNPS-EB: *A2 State CNPS: 4.2 | Brewer's calandrinia | |
| Calochortus pulchellus | CNPS-EB: *A2 State CNPS: 1B.2 | Mount Diablo fairy-lantern | |
| Caulanthus flavescens | CNPS-EB: A2 | yellow-flowered thelypodium | |
| Delphinium californicum subsp. interius | CNPS-EB: *A2 State CNPS: 1B.2 | Hospital Canyon larkspur | |
| Dendromecon rigida | CNPS-EB: A2 | bush poppy | |
| Epilobium torreyi | CNPS-EB: A2 | narrow-leaved boisduvalia | |
| Eriastrum abramsii | CNPS-EB: A2 | Abram's eriastrum | |
| Eriogonum roseum | CNPS-EB: A2 | wand wild buckwheat, virgate buckwheat | |
| Eriogonum truncatum | CNPS-EB: *A1 State CNPS: 1B.1 | Mount Diablo buckwheat | |
| Eriophyllum jepsonii | CNPS-EB: *A2 State CNPS: 4.3 | Jepson's woolly sunflower | |
| Eryngium aristulatum var. aristulatum | CNPS-EB: A2 | ||
| Eryngium jepsonii | CNPS-EB: *A2 State CNPS: 1B.2 | ||
| Erythranthe latidens | (formerly Mimulus latidens) | CNPS-EB: A1 | broad-toothed monkeyflower |
| Eschscholzia rhombipetala | CNPS-EB: *A1 State CNPS: 1B.1 | diamond-petaled California poppy | |
| Fritillaria agrestis | CNPS-EB: *A2 State CNPS: 4.2 | stinkbells | |
| Galium andrewsii subsp. gatense | CNPS-EB: *A2 State CNPS: 4.2 | phlox-leaf serpentine bedstraw, serpentine bedstraw | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 | Diablo helianthella | |
| Hesperevax caulescens | (H. sparsiflora is more common | CNPS-EB: *A2 State CNPS: 4.2 | hogwallow starfish |
| Hesperolinon breweri | CNPS-EB: *A2 State CNPS: 1B.2 | Brewer's western flax | |
| Hesperolinon micranthum | CNPS-EB: A2 | small-flowered dwarf flax | |
| Lastarriaea coriacea | CNPS-EB: A2 | leather-spineflower, lastarriaea | |
| Lasthenia glabrata subsp. glabrata | CNPS-EB: A2 | yellow-ray goldfields | |
| Lithophragma cymbalaria | CNPS-EB: A1 | mission star | |
| Lupinus concinnus | CNPS-EB: A1 | Bajada lupine | |
| Microseris sylvatica | CNPS-EB: *A2 State CNPS: 4.2 | sylvan microseris | |
| Navarretia atractyloides | CNPS-EB: A2 | holly-leaved navarretia | |
| Navarretia gowenii | CNPS-EB: *A2 State CNPS: 1B.1 | Lime Ridge navarretia | |
| Navarretia nigelliformis subsp. radians | CNPS-EB: *A2 State CNPS: 1B.2 | shining navarretia | |
| Parietaria hespera var. californica | CNPS-EB: A1 | California pellitory | |
| Piperia michaelii | CNPS-EB: *A2 State CNPS: 4.2 | Michael's rein-orchid | |
| Pogogyne zizyphoroides | CNPS-EB: A2 | Sacramento beardstyle | |
| Sagittaria montevidensis subsp. calycina | CNPS-EB: A1 | ||
| Sanicula laciniata | CNPS-EB: A2 | coast sanicle | |
| Triodanis biflora | CNPS-EB: A2 | Venus' looking-glass | |
| Aphyllon californicum subsp. jepsonii | CNPS-EB: A1 | Jepson broom-rape | |
| Arctostaphylos glandulosa subsp. glandulosa | CNPS-EB: A2 | Eastwood manzanita | |
| Argemone munita | CNPS-EB: A1 | chicalote, prickly poppy | |
| Arthrocnemum subterminale | CNPS-EB: A2 | Parish's glasswort | |
| Atriplex serenana var. serenana | CNPS-EB: A1 | bractscale | |
| Chaenactis glabriuscula var. glabriuscula | CNPS-EB: A1 | yellow pincushion | |
| Cryptantha microstachys | CNPS-EB: A2 | Tejon cryptantha | |
| Downingia ornatissima var. mirabilis | (historical-1956; formerly D. ornatissima var. eximia) | CNPS-EB: A1x | Solano downingia |
| Eriastrum pluriflorum subsp. pluriflorum | CNPS-EB: A1 | many-flowered eriastrum | |
| Githopsis diffusa subsp. robusta | CNPS-EB: A2 | southern bluecup | |
| Hordeum brachyantherum subsp. californicum | (ssp. brachyantherum is more common | CNPS-EB: A1 | California barley |
| Lasthenia minor | CNPS-EB: A1 | coastal goldfields, woolly goldfields | |
| Layia glandulosa | (historical-1983 but not seen | CNPS-EB: A1x | white layia |
| Mentzelia dispersa | CNPS-EB: A2 | Nada stick-leaf | |
| Microseris acuminata | CNPS-EB: A1 | Sierra Foothills microseris | |
| Microseris elegans | CNPS-EB: A1 | elegant microseris | |
| Pentachaeta exilis subsp. exilis | CNPS-EB: A1 | meager pentachaeta | |
| Piperia unalascensis | CNPS-EB: A1 | Alaska piperia, slender-spire orchid | |
| Pseudognaphalium biolettii | (formerly Gnaphalium bicolor) | CNPS-EB: A1 | Bioletti's cudweed |
| Senecio aphanactis | CNPS-EB: *A1x State CNPS: 1B.2 | chaparral ragwort, rayless ragwort | |
| Stachys bullata | CNPS-EB: A1? | California hedge nettle | |
| Thysanocarpus radians | CNPS-EB: A1 | ribbed fringe pod | |
| Agoseris heterophylla var. cryptopleura | CNPS-EB: C | ||
| Agoseris heterophylla var. heterophylla | CNPS-EB: C | ||
| Allium unifolium | CNPS-EB: B-PV | one-leaved onion | |
| Allophyllum gilioides subsp. violaceum | (ssp. gilioides is more common | CNPS-EB: B-PV | straggling gilia |
| Amaranthus blitoides | CNPS-EB: C | procumbent pigweed, prostrate amaranth | |
| Anemopsis californica | CNPS-EB: B-PV | yerba mansa, lizard tail | |
| Atriplex fruticulosa | CNPS-EB: B | ballscale, little oak orach, ball saltbush | |
| Balsamorhiza deltoidea | CNPS-EB: B-PV | deltoid balsamroot | |
| Blepharizonia laxa | (formerly B. plumosa ssp. visc | CNPS-EB: B | big tarplant |
| Brodiaea terrestris subsp. terrestris | CNPS-EB: B-PV | dwarf brodiaea | |
| California macrophylla | (formerly Erodium macrophyllum | CNPS-EB: B-PV | round-leaved filaree |
| Camissonia contorta | CNPS-EB: B-PV | contorted primrose | |
| Camissoniopsis intermedia | CNPS-EB: B-PV | small primrose | |
| Castilleja rubicundula subsp. lithospermoides | CNPS-EB: B-PV | cream sacs | |
| Cirsium cymosum var. cymosum | CNPS-EB: B-PV | peregrine thistle | |
| Clarkia gracilis subsp. gracilis | CNPS-EB: C | summer's darling | |
| Clarkia modesta | CNPS-EB: B-PV | modest clarkia | |
| Crocanthemum scoparium var. vulgare | (formerly Helianthemum scoparium var. vulgare) | CNPS-EB: B | peak rush-rose |
| Deinandra lobbii | (formerly Hemizonia l.) | CNPS-EB: C | three-rayed tarweed |
| Delphinium californicum subsp. californicum | CNPS-EB: B | coast larkspur, California larkspur | |
| Delphinium hansenii subsp. hansenii | CNPS-EB: B | Hansen's larkspur | |
| Delphinium hesperium subsp. hesperium | CNPS-EB: B | western larkspur | |
| Deschampsia bolanderi | Formerly Scribneria bolanderi | CNPS-EB: B | Scribner's grass |
| Ericameria arborescens | CNPS-EB: B-PV | golden-fleece | |
| Eriogonum angulosum | CNPS-EB: B | angle-stem wild buckwheat, angle-stemmed eriogonum | |
| Eriophyllum lanatum var. achilleoides | CNPS-EB: C | woolly sunflower | |
| Festuca octoflora | CNPS-EB: B-PV | sixweeks grass, slender fescue | |
| Forestiera pubescens | CNPS-EB: B-PV | desert olive | |
| Gilia capitata subsp. staminea | CNPS-EB: B-PV | blue field gilia | |
| Githopsis specularioides | CNPS-EB: B-PV | common bluecup | |
| Gutierrezia californica | CNPS-EB: B-PV | California matchweed | |
| Heterotheca sessiliflora subsp. bolanderi | H. s. ssp. echioides is more common | CNPS-EB: C | Bolander goldenaster |
| Lasthenia microglossa | CNPS-EB: B | small-ray goldfields | |
| Lepechinia calycina | CNPS-EB: C | pitcher sage | |
| Lepidium latipes | CNPS-EB: B-PV | dwarf peppergrass | |
| Leptosiphon ciliatus | (formerly Linanthus c.) | CNPS-EB: B-PV | whisker brush |
| Lomatium caruifolium var. caruifolium | CNPS-EB: B-PV | caraway-leaved lomatium | |
| Lythrum californicum | CNPS-EB: B | California loosestrife | |
| Malacothamnus fremontii var. fremontii | CNPS-EB: B-PV | white-coat mallow | |
| Mentzelia affinis | CNPS-EB: B | hydra stick-leaf | |
| Monolopia major | CNPS-EB: B | cupped monolopia | |
| Nuttallanthus texanus | CNPS-EB: B | blue toadflax | |
| Penstemon centranthifolius | CNPS-EB: B | scarlet bugler | |
| Persicaria lapathifolia | (formerly Polygonum lapathifol | CNPS-EB: B | willow weed |
| Phacelia ciliata | CNPS-EB: B | Great Valley phacelia, Great Valley phacelia | |
| Phacelia tanacetifolia | CNPS-EB: B | tansy phacelia | |
| Pickeringia montana var. montana | CNPS-EB: B-PV | chaparral pea | |
| Pinus coulteri | CNPS-EB: B-PV | Coulter pine | |
| Piperia elongata | CNPS-EB: B-PV | chaparral orchid, wood rein-orchid, elongate piperia | |
| Piperia transversa | CNPS-EB: B | flat spurred piperia, transverse piperia | |
| Plagiobothrys acanthocarpus | CNPS-EB: B-PV | adobe popcornflower, adobe allocarya | |
| Plagiobothrys canescens var. canescens | CNPS-EB: C | valley popcornflower | |
| Plagiobothrys fulvus var. campestris | CNPS-EB: B | field popcornflower, fulvous popcornflower | |
| Plagiobothrys trachycarpus | CNPS-EB: C | rough-nutlet popcornflower, rough-fruited allocarya | |
| Plantago elongata | CNPS-EB: B-PV | annual coast plantain | |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: C | fragrant everlasting |
| Psilocarphus oregonus | CNPS-EB: B | Oregon woollyheads, Oregon woolly-marbles | |
| Ranunculus canus var. canus | CNPS-EB: C | Sacramento Valley buttercup | |
| Ranunculus occidentalis var. occidentalis | CNPS-EB: B | western buttercup | |
| Rhus aromatica | (formerly R. trilobata) | CNPS-EB: B-PV | skunk bush, skunkbrush, squawbush |
| Stipa cernua | CNPS-EB: B-PV | nodding needlegrass | |
| Stipa lepida | CNPS-EB: B-PV | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: B-PV | purple needlegrass | |
| Stylocline gnaphaloides | CNPS-EB: B | everlasting neststraw, nest-straw | |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | CNPS-EB: B-PV | slim aster |
| Tropidocarpum gracile | CNPS-EB: B-PV | slender tropidocarpum | |
| Vicia hassei | CNPS-EB: B | slender vetch | |
| Agoseris heterophylla var. unknown | Agoseris heterophylla split into 2 vars. in 2011 Jepson Manual, need field work to resolve vars. | CNPS-EB: B? | annual agoseris |
| Agoseris retrorsa | CNPS-EB: B-PV | spear-leaved agoseris | |
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: B-PV | water plantain |
| Allophyllum gilioides subsp. gilioides | CNPS-EB: B | straggling gilia | |
| Amaranthus californicus | CNPS-EB: B | Californian amaranth | |
| Aphyllon tuberosum | CNPS-EB: B-PV | bulbous broom-rape | |
| Arnica discoidea | CNPS-EB: B-PV | rayless arnica | |
| Bidens frondosa | CNPS-EB: B | sticktight | |
| Bolboschoenus maritimus subsp. paludosus | (formerly Scirpus m.) | CNPS-EB: C | bulrush |
| Camissoniopsis micrantha | CNPS-EB: B-PV | small primrose | |
| Clarkia concinna subsp. concinna | CNPS-EB: C | large godetia | |
| Collinsia sparsiflora var. sparsiflora | CNPS-EB: C | few-flowered blue-eyed Mary | |
| Collinsia sparsiflora var. unknown | CNPS-EB: C? | few-flowered blue-eyed Mary | |
| Dudleya cymosa subsp. paniculata | CNPS-EB: B-PV | spreading dudleya | |
| Ehrendorferia chrysantha | (formerly Dicentra chrysantha) | CNPS-EB: B | golden ear-drops |
| Elymus elymoides var. elymoides | CNPS-EB: B | squirreltail | |
| Elymus multisetus | CNPS-EB: B-PV | big squirreltail | |
| Festuca californica | CNPS-EB: B-PV | California fescue | |
| Fraxinus dipetala | CNPS-EB: B | California ash, flowering ash | |
| Gilia tricolor subsp. diffusa | CNPS-EB: C | birds-eye gilia | |
| Koeleria macrantha | CNPS-EB: B-PV | june grass | |
| Lathyrus jepsonii var. californicus | CNPS-EB: B | buff pea | |
| Layia platyglossa | CNPS-EB: B-PV | tidy-tips | |
| Lepidium acutidens | CNPS-EB: C | sharp-toothed pepper-grass | |
| Leptosiphon pygmaeus subsp. continentalis | (formerly Linanthus p. ssp. c. | CNPS-EB: B | pygmy linanthus, pygmy leptosiphon |
| Lithophragma parviflorum var. parviflorum | CNPS-EB: B-PV | prairie star | |
| Lupinus pachylobus | CNPS-EB: B | big pod lupine | |
| Marah oregana | CNPS-EB: B-PV | coast man-root | |
| Melica californica | CNPS-EB: B-PV | California melic | |
| Nemophila parviflora var. parviflora | CNPS-EB: B | small-flowered nemophila | |
| Packera breweri | (formerly Senecio b.) | CNPS-EB: B-PV | Brewer's ragwort, Brewer's butterweed |
| Pediomelum californicum | CNPS-EB: B | indian breadroot | |
| Pentachaeta alsinoides | CNPS-EB: B-PV | tiny pentachaeta | |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: C | water smartweed |
| Phacelia breweri | CNPS-EB: B-PV | Brewer's phacelia | |
| Phacelia divaricata | CNPS-EB: B-PV | divaricate phacelia | |
| Plagiobothrys stipitatus var. stipitatus | (var. micranthus is more commo | CNPS-EB: B | showy great valley popcornflower, stipitate allocarya |
| Pluchea odorata var. odorata | CNPS-EB: B-PV | saltmarsh fleabane | |
| Quercus berberidifolia | CNPS-EB: B | scrub oak | |
| Quercus lobata | CNPS-EB: B-PV | valley oak, roble | |
| Quercus wislizeni var. frutescens | CNPS-EB: B | shrubby interior live oak | |
| Sagina decumbens subsp. occidentalis | (S. apetala is more common) | CNPS-EB: B | western pearlwort |
| Salix gooddingii | CNPS-EB: B | Goodding's black willow | |
| Stellaria nitens | CNPS-EB: B-PV | shining chickweed | |
| Trifolium columbinum | CNPS-EB: C | olive clover | |
| Zeltnera davyi | (formerly Centaurium d.) | CNPS-EB: B-PV | Davy's centaury, conchalagua |
