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Open space areas in the Conejo Valley host a broad diversity of fl owering thanks to the variety of habitat types that are present in these areas. This guide idenƟ fi es naƟ ve wildfl owers and fl owering shrubs commonly found along trails in open space areas managed by the Conejo Open Space ConservaƟ on Agency (COSCA). Bloom Ɵ mes for some occur as early as January, while others occur as late as September. The plants below are arranged by general color group (White/Cream, Yellow/Orange, Pink/Red, Blue/Purple) and then alphabeƟ cally by family, , and species. FiŌ y-one plant families are included. This guide is also available electronically at: www.conejo-openspace.org

Lemonadeberry2 Sugar Bush2 Narrow-leaved Milkweed1 White Yarrow1 Rhus integrifolia Rhus ovata Asclepias fascicularis Achillea millefolium

White Pincushion1 Cliff Aster3 Everlas ng1 Silver Puff s (seed head)1 ChaenacƟ s artemisiifolia Malacothrix saxaƟ lis Pseudognaphalium californicum Uropappus lindleyi

Common Cryptantha6 Eucrypta3 Fringepod2 Honeysuckle2 Cryptantha intermedia var. intermedia Eucrypta chrysanthemifolia Thysanocarpus laciniatus Lonicera subspicata var. denudata

ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppagea65ge 1 Chaparral Morning Glory5 Small-fl owered Morning Glory2 Wild Cucumber1 Bigberry Manzanita8 Calystegia macrostegia ssp. intermedia Convolvulus simulans Marah macrocarpa Arctostaphylos glauca

Santa Barbara Milkvetch4 White-fl owering Currant2 White Sage1 Black Sage2 Astragalus trichopodus var. phoxus Ribes indecorum Salvia apiana Salvia mellifera

Miner’s Le uce1 Willow-herb Clarkia2 White Eardrops3 White Snapdragon2 Claytonia perfoliata ssp. perfoliata Clarkia epilobioides Ehrendorferia ochroleuca AnƟ rrhinum coulterianum

Chaparral Gilia2 Ashy-leaved Buckwheat18 Long-stemmed Buckwheat17 California Buckwheat2 Gilia angelensis Eriogonum cinereum Eriogonum elongatum var. elongatum Eriogonum fasciculatum var. foliolosum

Chaparral Clema s (seed head)1 Hoary-leaf Ceanothus2 Bigpod Ceanothus1 Greenbark Ceanothus9 ClemaƟ s lasiantha Ceanothus crassifolius var. crassifolius Ceanothus megacarpus var. megacarpus Ceanothus spinosus

66ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppageage 2 S cky Cinquefoil2 Toyon 10 Pacifi c Blackberry1 Yerba Mansa1 Drymocallis glandulosa var. glandulosa Heteromeles arbuƟ folia Rubus ursinus Anemopsis californica

Woodland Star11 California saxifrage2 Jimsonweed1 Douglas’ Nightshade1 Lithophragma cymbalaria Micranthes californica Datura wrighƟ i Solanum douglasii

Soap Plant6 Chaparral Yucca1 Red-skinned Onion1 Fairy Lantern6 Chlorogalum pomeridianum Hesperoyucca whipplei Allium haematochiton Calochortus albus

Catalina Mariposa Lily1 Chaparral Star Lily1 Chaparral Beargrass3 Blue Elderberry1 Calochortus catalinae Toxicoscordion fremonƟ i Nolina cismontana Sambucus nigra ssp. caerulea

Laurel Sumac1 Wooly loma um1 Snakeroot2 Blow-wives2 Malosma laurina LomaƟ um dasycarpum Sanicula arguta Achyrachaena mollis

ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppagea67ge 3 Bur Marigold12 Yellow Pincushion2 Slender Tarweed1 California Bush Sunfl ower1 Bidens laevis ChaenacƟ s glabriuscula var. glabriuscula Deinandra fasciculata Encelia californica

Golden Yarrow1 Gumplant1 Saw-toothed Goldenbush3 Common Sunfl ower1 Eriophyllum conferƟ fl orum Grindelia camporum Hazardia squarrosa var. grindelioides Helianthus annuus

Slender Sunfl ower2 Telegraph Weed1 Coast Goldenbush14 California Goldfi elds1 Helianthus gracilentus Heterotheca grandifl ora Isocoma menziesii var. menziesii Lasthenia gracilis

Tidy Tips15 Common Madia10 Lyon’s pentachaeta1 Bush Senecio2 Layia platyglossa Madia elegans Pentachaeta lyonii Senecio fl accidus var. douglasii

Canyon Sunfl ower1 Common Fiddleneck1 Whispering Bells3 Western Wallfl ower1 Venegasia carpesioides Amsinckia intermedia Emmenanthe pendulifl ora Erysimum capitatum var. capitatum

68ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppageage 4 Coast Prickly Pear1 Bladderpod1 S nking Gourd1 Deerweed1 OpunƟ a liƩ oralis Peritoma arborea var. arborea Cucurbita foeƟ dissima Acmispon glaber var. glaber

Blazing Star13 California Suncup1 Evening Primrose13 Hooker’s Evening Primrose1 Mentzelia micrantha Camissoniopsis bistorta Camissoniopsis intermedia Oenothera elata ssp. hirsuƟ ssima

Bush Poppy1 California Poppy1 Wind Poppy10 S cky Monkeyfl ower1 Dendromecon rigida Eschscholzia californica Papaver heterophyllum Mimulus auranƟ acus var. auranƟ acus

Yellow Monkeyfl ower1 Seep Monkeyfl ower1 Conejo Buckwheat1 California Bu ercup8 Mimulus brevipes Mimulus guƩ atus Eriogonum crocatum Ranunculus californicus var. californicus

Holly-leaved Cherry1 Johnny Jump-Up1 Yellow Mariposa Lily1 Plummer’s Mariposa Lily1 Prunus ilicifolia ssp. ilicifolia Viola pedunculata Calochortus clavatus var. pallidus Calochortus plummerae

ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppagea69ge 5 Golden Stars11 California Milkweed2 Sacapellote2 Cobweb Thistle15 Bloomeria crocea Asclepias californica AcourƟ a microcephala Cirsium occidentale var. occidentale

California Aster1 Fleabane Aster1 Wand Stephanomeria1 Caterpillar Phacelia1 Corethrogyne fi laginifolia Erigeron foliosus Stephanomeria virgata Phacelia cicutaria

Coast Cholla1 Beavertail Prickly Pear1 Cardinal Catchfl y1 Lance-Leaf Dudleya2 CylindropunƟ a prolifera OpunƟ a basilaris var. basilaris Silene laciniata ssp. laciniata Dudleya lanceolata

Chalk Dudleya1 Spanish Clover1 Braunton’s Milkvetch16 Chaparral Sweet Pea11 Dudleya pulverulenta ssp. pulverulenta Acmispon americanus var. americanus Astragalus brauntonii Lathyrus vesƟ tus var. vesƟ tus

Canchalagua2 Chaparral Currant1 Fuchsia-Flowered Gooseberry1 Purple Sage1 Zeltnera venusta Ribes malvaceum Ribes speciosum Salvia leucophylla

70ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppageage 6 Hummingbird Sage1 Hedge Ne le1 Chaparral Mallow1 Southern Checkerbloom3 Salvia spathacea Stachys bullata Malacothamnus fasciculatus var. fasciculatus Sidalcea sparsifolia

Red Maids1 Wishbone Bush1 Speckled Clarkia1 Purple Clarkia1 Calandrinia menziesii laevis var. crassifolia Clarkia cylindrica ssp. cylindrica Clarkia purpurea ssp. quadrivulnera

Elegant Clarkia1 California Fuchsia1 Indian Paintbrush1 Purple Owl’s Clover1 Clarkia unguiculata Epilobium canum ssp. canum CasƟ lleja applegatei ssp. marƟ ni CasƟ lleja exserta ssp. exserta

Indian Warrior1 California Peony1 Scarlet Monkeyfl ower6 Heartleaf Penstemon1 Pedicularis densifl ora Paeonia californica Mimulus cardinalis Keckiella cordifolia

Scarlet Bugler2 Prickly Phlox1 Ground Pink1 Turkish Rugging2 Penstemon centranthifolius Linanthus californicus Linanthus dianthifl orus Chorizanthe staƟ coides

ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppagea71ge 7 Shoo ng Star1 Scarlet Larkspur1 California Wild Rose1 California Figwort1 Primula clevelandii Delphinium cardinale Rosa californica Scrophularia californica ssp. fl oribunda

Peninsular Onion10 Chocolate Lily1 Yerba Santa2 Baby Blue-Eyes2 Allium peninsulare var. peninsulare FriƟ llaria bifl ora var. bifl ora Eriodictyon crassifolium var. nigrescens Nemophila menziesii var. integrifolia

Parry’s Phacelia1 Fiesta Flower1 S nging Lupine1 Bush Lupine1 Phacelia parryi Pholistoma auritum var. auritum Lupinus hirsuƟ ssimus Lupinus longifolius

Arroyo Lupine11 Chia Sage1 Skullcap1 Wooly Bluecurls1 Lupinus succulentus Salvia columbariae Scutellaria tuberosa Trichostema lanatum

Vinegarweed1 Climbing Snapdragon2 Chaparral Snapdragon3 Chinese Houses1 Trichostema lanceolatum AnƟ rrhinum kelloggii AnƟ rrhinum mulƟ fl orum Collinsia heterophylla

72ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppageage 8 Foothill Penstemon2 Showy Penstemon1 Sapphire Wool-star2 California Gilia2 Penstemon heterophyllus var. australis Penstemon spectabilis var. subviscosis Eriastrum sapphirinum Gilia achilleifolia ssp. achilleifolia

Mari me Larkspur11 Spreading Larkspur1 Hairy-leaved Ceanothus2 Chaparral Nightshade1 Delphinium parryi ssp. mariƟ mum Delphinium patens Ceanothus oliganthus Solanum xanƟ

Western Verbena10 Blue-eyed Grass1 Harvest Brodiaea2 Wild Hyacinth1 Verbena lasiostachys Sisyrinchium bellum Brodiaea terrestris ssp. kernensis Dichelostemma capitatum ssp. capitatum

Photo Credits: 1Conejo Open Space FoundaƟ on 5Wynn Anderson 9Daniel Passarini 13Vernon Smith 17Jean Pawek 2Keir Morse 6Steven Thorsted 10Barry Breckling 14Fred Hrusa 18Mia Molvray/Paul Kores 3NPS - SMMNRA 7R.T. Hawke 11Steve Matson 15Thomas Reyes 4Brent Miller 8Anna Huber 12Richard Spellenberg 16Ron Thompson

The Conejo Open Space ConservaƟ on Agency was created in 1977 as a joint powers agency between the City of Thousand Oaks and the Conejo RecreaƟ on and Park District to acquire, manage, and conserve open space, and to sustainably balance public use with ecosystem protecƟ on. This guide was developed in collaboraƟ on with Rick Burgess, reƟ red Senior Environmental Planner for the City of Thousand Oaks.

2100 Thousand Oaks Blvd., Thousand Oaks, CA 91362 www.conejo-openspace.org 20170313 ManagingManaging andand protecprotec ngng ConejoConejo ValleyValley openopen spacespace sincesince 19771977 wwww.conejo-openspace.orgww.conejo-openspace.org ppagea73ge 9