Plant & Flower Archives

Plant of the Month Index

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  2. Click the plant's Common Name to view a more detailed page that includes pictures.
  3. Click the plant's color to see an image of the plant.
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  6.  Filters: 
  7. Annual - Select plants that live for a single year
  8. Perennials - Select plants that live more than a year
  9. Shrubs - Select plants that are considered Shrubs
  10. Trees - Yes, this will select trees
  11. Woody - does the plant have a hard stem?
  12. Herbaceaous - does the plant not have a hard stem?
  13. Endemic - Select plants that naturally occur in California
  14. Native - Select plants that naturally occur in California and elsewhere
  15. Non-Native - Select plants that have been introduced by mankind
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  Endemic Native Non-Native All
Deciduous Evergreen All
Woody Herbaceous All
Date Color Common Name Genus & Species Family Type Banner_Name Deciduous Stem residency occurrence potm_status InBloom
201806 Yellow Slender Tarweed Deinandra fasciculata Asteraceae - Sunflower Annual slender_tarweed Herbaceous Native Common 1 MayJuneJulyAugust
200710 Yellow White Turkey Mullein Croton setiger Euphorbiaceae - Spurge Annual turkey_mullein Native Common 0 AprilMayJuneJulyAugustSeptemberOctoberNovember
201011 Yellow Red Deerweed Acmispon glaber Fabaceae - Legume Perennial deerweed Deciduous Woody Native Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugust
200612 Yellow Poison Oak Toxicodendron diversilobum Anacardiaceae - Sumac Perennial poison_oak Deciduous Woody Native Common 0 FebruaryMarchAprilMayJune
200701 Yellow Tree Tobacco Nicotiana glauca Solanaceae - Nightshade Perennial tree_tobacco Deciduous Woody Invasive Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
200707 Yellow Calabazilla Cucurbita foetidissima Cucurbitaceae - Gourd Perennial calabazilla Deciduous Herbaceous Native Common 0 JuneJulyAugust
200903 Yellow Giant Coreopsis Coreopsis gigantea Asteraceae - Sunflower Perennial giant_coreopsis Deciduous Woody Endemic Common 0 NovemberDecemberJanuaryFebruaryMarchAprilMay
200908 Yellow Prickly Pear Opuntia oricola Cactaceae - Cactus Perennial prickly_pear Evergreen Woody Native Uncommon 0 MayJuneJulyAugust
200911 Yellow Bladderpod Peritome arborea Capparaceae - Caper Shrub Bladderpod_banner Evergreen Woody Native Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
201006 Yellow Bush Sunflower Encelia californica Asteraceae - Sunflower Perennial coastal_sunflower Evergreen Woody Native Common 0 DecemberJanuaryFebruaryMarchAprilMay
201104 Yellow Mustard Evening Primrose Eulobus californicus Onagraceae - Evening Primrose Annual primrose_mustard Native Common 0 MarchAprilMay
201202 Yellow Johnny-jump-up Viola pedunculata Violaceae - Violet Perennial johnny_jumpups Evergreen Herbaceous Native Uncommon 0 JanuaryFebruaryMarchAprilMay
201206 Yellow Canyon Sunflower Venegazia carpesioides Asteraceae - Sunflower Shrub canyon_sunflower Evergreen Herbaceous Native Common 0 DecemberJanuaryFebruaryMarchAprilMayJune
201209 Yellow Golden Yarrow Eriophyllum confertiflorum Asteraceae - Sunflower Shrub golden_yarrow Evergreen Woody Native Common 0 DecemberJanuaryFebruaryMarchAprilMayJune
201212 Yellow California Poppy Eschscholzia californica Papaveraceae - Poppy Annual california_poppy Endemic Common 0 FebruaryMarchAprilMayJuneJulyAugustSeptember
201301 Yellow Common Fiddleneck Amsinckia intermedia Boraginaceae - Borage Annual common_fiddleneck Native Common 0 FebruaryMarchAprilMay
201302 Yellow Southern Tauschia Tauschia arguta Apiaceae - Carrot Perennial tauschia Evergreen Herbaceous Native Common 0 FebruaryMarchAprilMayJune
201308 Yellow Slender Sunflower Helianthus gracilentus Asteraceae - Sunflower Perennial SlenderSunflower Evergreen Herbaceous Native Common 0 MayJuneJulyAugustSeptemberOctober
201309 Yellow Common Sunflower Helianthus annus Asteraceae - Sunflower Annual common_sunflower Native Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
201411 Yellow Sticky Cinquefoil Drymocallis glandulosa Rosaceae - Rose Perennial Sticky_Cinquefoil Deciduous Herbaceous Native Uncommon 0 AprilMayJuneJuly
201412 Yellow Whispering Bells Emmenanthe penduliflora Boraginaceae - Borage Annual Whispering_Bells Native Uncommon 0 FebruaryMarchAprilMayJune
201507 Yellow Golden Star Bloomeria crocea Liliaceae - Lily Perennial Golden_Stars Deciduous Herbaceous Native Common 0 AprilMayJune
201604 Yellow Stick Leaf, San Luis Blazingstar Mentzelia micrantha Loasaceae - Loasaceae Annual Stick_Leaf Native Uncommon 0 MarchAprilMayJune
201605 Yellow California Goldfields Lasthenia californica Asteraceae - Sunflower Annual Coastal_Goldfields Endemic Uncommon 0 MarchAprilMay
201607 Yellow Royal or Southern Goldfields Lasthenia coronaria Asteraceae - Sunflower Annual Royal_Goldfields Native Uncommon 0 MarchAprilMay
201608 Yellow Lyons Pentachaeta Pentachaeta lyonii Asteraceae - Sunflower Annual Pentachaeta_Lyonii Endemic Rare 0 MayJuneJulyAugust
201707 Yellow Annual Coreopsis Leptosyne bigelovii Asteraceae - Sunflower Annual Annual_Coreopsis Deciduous Endemic Rare 0 FebruaryMarchAprilMayJune
201711 Yellow Beach Evening Primrose Camissoniopsis cheiranthifolia Onagraceae - Evening Primrose Perennial B_Evening_Primrose Deciduous Herbaceous Native Uncommon 0 MarchAprilMayJuneJuly
201712 Yellow California Buttercup Ranunculus californicus Ranunculaceae - Buttercup Perennial C_Buttercup Deciduous Herbaceous Endemic Uncommon 0 FebruaryMarchAprilMay
201803 Yellow Bush Poppy, Tree Poppy Dendromecon rigida Papaveraceae - Poppy Perennial bush_poppy Evergreen Woody Native Uncommon 0 FebruaryMarchAprilMayJune
200805 White Yellow Pink Mariposa Lily Calochortus species Liliaceae - Lily Perennial mariposa_lily Deciduous Herbaceous Endemic Common 0 FebruaryMarchAprilMayJune
200708 White Pink Red California Buckwheat Eriogonum fasciculatum Polygonaceae - Buckwheat Perennial buckwheat Evergreen Woody Native Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
200603 White Blue Purple Ceanothus Ceanothus Species Rhamnaceae - Buckthorn Shrub ceanothus Evergreen Woody Native Common 0 NovemberDecemberJanuaryFebruaryMarchAprilMayJuneJulyAugust
200705 White Prickly Poppy Argemone munita Papaveraceae - Poppy Perennial or Annual prickly_poppy Native Uncommon 0 AprilMayJuneJuly
200512 White Toyon Heteromeles arbutifolia Rosaceae - Rose Shrub or Tree toyon Evergreen Woody Native Common 0 MayJuneJuly
200606 White Yucca Hesperoyucca whipplei Agavaceae - Agave Perennial yucca Evergreen Woody Native Common 0 AprilMayJune
200704 White Wild Cucumber Marah macrocarpus Cucurbitaceae - Gourd Perennial wild_cucumber Deciduous Herbaceous Native Common 0 NovemberDecemberJanuaryFebruaryMarchAprilMayJuneJuly
200802 White Eucrypta Eucrypta chrysanthemifolia Boraginaceae - Waterleaf Annual Eucrypta Native Common 0 JanuaryFebruaryMarchAprilMayJune
200804 White Miners Lettuce Claytonia perfoliata Portulacaceae - Purslane Annual miners_lettuce Native Common 0 JanuaryFebruaryMarchAprilMay
200808 White Elderberry Sambucus mexicana Caprifoliaceae - Honeysuckle Tree elderberry Deciduous Woody Native Common 0 AprilMayJuneJulyAugust
200809 White Datura Datura species Solanaceae - Nightshade Annual datura Native Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
200810 White Holly-Leaved Cherry Prunus ilicifolia Rosaceae - Rose Perennial holly_leaf_cherry Evergreen Woody Native Common 0 NovemberDecemberJanuaryFebruaryMarchAprilMay
200811 White Cottonwood Populus fremontii Salicaceae - Willow Tree cottonwood Deciduous Woody Native Common 0 JanuaryFebruaryMarch
200902 White Milkmaids Cardamine californica Brassicaceae - Mustard Perennial Milkmaids Deciduous Herbaceous Native Uncommon 0 DecemberJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctober
200910 White Coyote Brush Baccharis pilularis Asteraceae - Sunflower Perennial coyote_brush Evergreen Woody Native Common 0 MayJuneJulyAugustSeptemberOctoberNovemberDecember
201005 White Virgin's Bower Clematis lasiantha Ranunculaceae - Buttercup Perennial virgins_bower Deciduous Woody Endemic Common 0 JanuaryFebruaryMarchAprilMay
201110 White Mule Fat Baccharis salicifolia Asteraceae - Sunflower Shrub mule_fat Deciduous Woody Native Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
201111 White Red Shank Adenostoma sparsifolium Rosaceae - Rose Shrub or Tree red_shank Evergreen Woody Native Uncommon 0 JuneJulyAugustSeptember
201112 White Sumac Malosma laurina Anacardiaceae - Sumac Perennial laurel_sumac Evergreen Woody Native Common 0 JuneJulyAugust
201203 White Prickly Popcorn Flower Cryptantha muricata Boraginaceae - Borage Annual popcorn_flower Native Uncommon 0 JanuaryFebruaryMarchAprilMayJune
201207 White Chamise Adenostoma fasciculatum Rosaceae - Rose Shrub chamise Evergreen Woody Native Common 0 FebruaryMarchAprilMayJuneJulyAugustSeptember
201210 White Mugwort Artemisia douglasiana Asteraceae - Sunflower Perennial mugwort Evergreen Herbaceous Native Common 0 JulyAugustSeptemberOctoberNovember
201211 White Rattlesnake Weed Euphorbia albomarginata Euphorbiaceae - Spurge Perennial rattlesnake_weed Evergreen Herbaceous Native Uncommon 0 AprilMayJuneJulyAugustSeptemberOctoberNovember
201307 White Morning Glory Calystegia macrostegia Convolvulaceae - Morning Glory Perennial morning_glory Deciduous Herbaceous Native Common 0 MarchAprilMayJuneJulyAugust
201310 White Red Skinned Onion Allium haematochiton Liliaceae - Lily Perennial red_skinned_onion Deciduous Herbaceous Native Common 0 MarchAprilMay
201408 White Yellow Bleeding Heart Ehrendorferia ochroleuca Papaveraceae - Poppy Perennial bleedingheart-banner Evergreen Herbaceous Native Uncommon 0 AprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
201409 White Cliff Aster Malacothrix saxatilis Asteraceae - Sunflower Perennial Cliff_Aster Deciduous Herbaceous Native Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
201410 White Soap Plant Chlorogalum pomeridianum Agavaceae - Agave Perennial Soap_Plant_Banner Deciduous Herbaceous Native Common 0 MayJune
201504 White Star Lily Toxicoscordion fremontii Melanthiaceae - Deathcamasus Perennial Star_Lily Deciduous Herbaceous Native Uncommon 0 FebruaryMarchAprilMayJune
201505 White Rock Daisy Perityle emoryi Asteraceae - Sunflower Annual Rock_Daisy Native Uncommon 0 MarchAprilMayJuneJulyAugustSeptemberOctober
201511 White Globe Gilia Gilia capitata Polemoniaceae - Phlox Annual Globe_Gilia Native Uncommon 0 MarchAprilMayJune
201601 White Globe Lily Calochortus albus Liliaceae - Lily Perennial Globe_Lily Deciduous Herbaceous Native Uncommon 0 AprilMayJune
201603 White Angels Gilia Gilia angelensis Polemoniaceae - Phlox Annual Angels_Gilia Native Common 0 FebruaryMarchApril
201609 White White Sage Salvia apiana Lamiaceae - Mint Shrub White_Sage Evergreen Woody Native Common 0 AprilMayJuneJuly
201611 White Black Sage Salvia mellifera Lamiaceae - Mint Shrub Black_Sage Evergreen Woody Native Common 0 AprilMayJuneJuly
201701 White Narrow Leaved Milkweed Asclepias fascicularis Apocynaceae - Dogbane Perennial Milkweed Deciduous Woody Endemic Common 0 MayJuneJulyAugustSeptember
201702 White Woodland Star Lithopragma affine Saxifragaceae - Saxifrage Perennial Woodland_Star Deciduous Herbaceous Native Common 0 MarchAprilMay
201703 White Wild Heliotrope Heliotropium curassavicum Boraginaceae - Borage Perennial Heliotrope Evergreen Herbaceous Native Common 0 AprilMayJuneJulyAugustSeptemberOctoberNovember
201704 White California Saxifrage Micranthes californica Saxifragaceae - Saxifrage Perennial Ca_Saxifrage Deciduous Herbaceous Endemic Uncommon 0 FebruaryMarchApril
201706 White Variable Linanthus Leptosiphon parviflorus Polemoniaceae - Phlox Annual V_Linanthus Deciduous Native Uncommon 0 MarchAprilMay
201709 White Willow Herb Clarkia Clarkia epilobioides Onagraceae - Evening Primrose Annual willow_clarkia Deciduous Herbaceous Native Uncommon 0 AprilMay
201801 White Matilija Poppy Romneya coulteri Papaveraceae - Poppy Perennial matilija_poppy Evergreen Herbaceous Endemic Uncommon 0 AprilMayJune
201805 White Pitcher Sage Lepechinia fragrans Lamiaceae - Mint Shrub pitcher_sage Evergreen Woody Native Common 0 AprilMayJuneJuly
201807 White Common Yarrow Achillea millefolium Asteraceae - Sunflower Perennial yarrow Evergreen Herbaceous Native Common 0 MarchAprilMayJune
201810 White White Hedge Nettle Stachys albens Lamiaceae - Mint Perennial white_hedge_nettle Evergreen Herbaceous Endemic Common 0 MayJuneJulyAugustSeptember
201903 White White Snapdragon Sairocarpus coulterianus Plantaginaceae - Plantain Annual White_Snapdragon Deciduous Herbaceous Native Uncommon 0 AprilMayJuneJuly
200602 Red Wild Peony Paeonia californica Paeoniaceae - Peony Perennial Wild_Peony Deciduous Herbaceous Endemic Common 0 DecemberJanuaryFebruaryMarchAprilMayJuneJulyAugust
200807 Red Scarlet Larkspur Delphinium cardinale Ranunculaceae - Buttercup Perennial Scarlet_Larkspur Deciduous Herbaceous Native Common 0 MayJuneJulyAugust
200907 Red Chalk Live-Forever Dudleya pulverulenta Crassulaceae - Stonecrop Perennial ChalkLiveForever Evergreen Herbaceous Native Common 0 JuneJulyAugust
200909 Red California Fuchsia Epilobium canum Onagraceae - Evening Primrose Perennial california_fuchsia Deciduous Woody Native Common 0 JuneJulyAugustSeptemberOctoberNovemberDecember
200912 Red Red-Stem Filaree Erodium cicutarium Geraniaceae - Geranium Annual red_stemmed_fillaree Invasive Common 0 NovemberDecemberJanuaryFebruaryMarchAprilMay
201003 Red Crimson Pitcher Sage Salvia spathacea Lamiaceae - Mint Perennial crimson_pitcher_sage Evergreen Woody Native Common 0 FebruaryMarchAprilMayJune
201109 Red Indian Paintbrush Castilleja affinis Scrophulariaceae - Figwort Perennial indian_paintbrush Evergreen Herbaceous Native Common 0 FebruaryMarchAprilMay
201705 Red Heart Leaved Penstemon Keckiella cordifolia Plantaginaceae - Plantain Perennial heartleavedpenstemon Evergreen Woody Native Common 0 MarchAprilMayJuneJulyAugust
201902 Red Bee Plant Scrophularia californica Scrophulariaceae - Figwort Perennial bee_plant Herbaceous Native Uncommon 0 AprilMayJuneJuly
201809 Red Scarlet Bugler Penstemon centranthifolius Plantaginaceae - Plantain Perennial scarlet_bugler Evergreen Herbaceous Native Uncommon 0 FebruaryMarchAprilMayJune
201901 Red Rose Snapdragon Sairocarpus multiflorus Plantaginaceae - Plantain Annual rose_snapdragon Deciduous Herbaceous Endemic Uncommon 0 MayJuneJuly
200803 Pink White Shooting Star Primula clevelandii Primulaceae - Primrose Perennial shooting_star Deciduous Herbaceous Native Common 0 DecemberJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctober
200806 Pink Red Fringed Indian Pink Silene laciniata Caryophyllaceae - Pink Perennial fringe_indian_pink Deciduous Herbaceous Native Common 0 AprilMayJuneJuly
201101 Pink Red Indian Warrior Pedicularis densiflora Scrophulariaceae - Figwort Perennial indian_warrior Evergreen Herbaceous Native Uncommon 0 FebruaryMarchApril
201304 Pink Red Fuchsia-Flowered Gooseberry Ribes speciosum Grossulariaceae - Gooseberry Shrub fuschia_flowered_goooseberry Evergreen Woody Native Common 0 JanuaryFebruaryMarchAprilMay
201311 Pink Red Red Maids Calandrinia menziesii Portulacaceae - Purslane Annual Red_Maids Native Uncommon 0 FebruaryMarchAprilMayJune
200711 Pink Blue Yellow California Aster Corethrogyne filaginifolia Asteraceae - Sunflower Perennial wooly_aster Deciduous Woody Native Common 0 MayJuneJulyAugustSeptemberOctoberNovember
201509 Pink Blue White Fringed Linanthus Lianthus dianthiflorus Polemoniaceae - Phlox Annual Fringed_Linanthus Native Uncommon 0 JanuaryFebruaryMarch
201406 Pink Blue San Diego Milk-aster Stephanomeria diegensis Asteraceae - Sunflower Annual SanDiegoMilkAster Native Common 0 JulyAugustSeptemberOctoberNovemberDecember
200608 Pink Lemonade Berry Rhus integrifolia Anacardiaceae - Sumac Shrub or Tree Lemonade_Berry Evergreen Woody Native Common 0 DecemberJanuaryFebruaryMarchAprilMayJuneJulyAugust
200706 Pink Speckled Clarkia Clarkia cylindrica Onagraceae - Evening Primrose Annual speckled_clarkia Native Common 0 AprilMayJuneJuly
200801 Pink Manzanita Arctostaphylos glandulosa Ericaceae - Heath Shrub manzanita Evergreen Woody Native Common 0 NovemberDecemberJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptember
200901 Pink Castor Bean Ricinis communis Euphorbiaceae - Spurge Shrub castor_bean Deciduous Woody Invasive Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
200906 Pink Elegant Clarkia Clarkia unguiculata Onagraceae - Evening Primrose Annual elegant_clarkia Native Common 0 AprilMayJuneJuly
201001 Pink Wild radish Raphanus sativus Brassicaceae - Mustard Annual wild_radish Invasive Common 0 DecemberJanuaryFebruaryMarchAprilMayJuneJulyAugust
201007 Pink California Thistle Cirsium occidentale var. californ Asteraceae - Sunflower Perennial california_thistle Evergreen Herbaceous Endemic Common 0 AprilMayJuneJulyAugust
201008 Pink Hedge Nettle Stachys bullata Lamiaceae - Mint Perennial hedge_nettle Deciduous Herbaceous Native Uncommon 0 FebruaryMarchAprilMayJuneJuly
201010 Pink Bush Mallow Malacothamnus fasciculatus Malvaceae - Mallow Shrub bush_mallow Evergreen Woody Native Common 0 JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAlways
201012 Pink Wishbone Bush Mirabilis laevis Nyctaginaceae - Four O'Clock Perennial wishbone_bush Evergreen Woody Native Common 0 NovemberDecemberJanuaryFebruaryMarchAprilMayJune
201201 Pink Coast Cholla Cylindropuntia prolifera Cactaceae - Cactus Shrub cholla Evergreen Woody Native Common 0 AprilMayJune
201204 Pink Owl’s Clover Castilleja exserta Scrophulariaceae - Figwort Annual owls_clover Native Uncommon 0 JanuaryFebruaryMarchAprilMayJune
201208 Pink Wild Rose Rosa californica Rosaceae - Rose Shrub wild_rose Deciduous Woody Native Uncommon 0 MarchAprilMayJuneJulyAugustSeptember
201306 Pink Turkish Rugging Chorizanthe staticoides Polygonaceae - Buckwheat Annual turkish_rugging Native Uncommon 0 AprilMayJuneJuly
201407 Pink Perezia, Sacapellote Acourtia microcephala Asteraceae - Sunflower Perennial Perezia_Banner Deciduous Woody Native Common 0 MayJuneJuly
201501 Pink Tejon Milk-Aster Stephanomeria cichoriacea Asteraceae - Sunflower Perennial TejonMilkAster Deciduous Woody Native Uncommon 0 JulyAugustSeptemberOctober
201502 Pink Chaparral Currant Ribes malvaceum Grossulariaceae - Gooseberry Perennial ChaparralCurrant Deciduous Woody Native Common 0 DecemberJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptember
201503 Pink Wild Sweet Pea Lathyrus vestitus Fabaceae - Legume Perennial WildSweetPea Deciduous Herbaceous Native Common 0 MarchAprilMayJuneJulyAugust
201506 Pink Chinese Houses Colinsia heterophylla Plantaginaceae - Plantain Annual Chinese_Houses Native Uncommon 0 FebruaryMarchAprilMay
201510 Pink Prickly Phlox Linanthus californicus Polemoniaceae - Phlox Perennial Prickly_Phlox Evergreen Herbaceous Native Common 0 MarchAprilMayJune
201606 Pink Sugar Bush Rhus Ovata Anacardiaceae - Sumac Shrub Sugar_Bush Evergreen Woody Native Common 0 MarchAprilMayJune
201708 Pink Peninsular Onion Allium peninsulare Alliaceae - Onion Perennial penisular_onion Deciduous Herbaceous Native Uncommon 0 AprilMay
201710 Pink Checker Bloom Sidalcea sparsifolia Malvaceae - Mallow Perennial Checker_Bloom Deciduous Herbaceous Native Uncommon 0 MarchAprilMayJuneJuly
201811 other Sagebrush Artemisia californica Asteraceae - Sunflower Perennial sagebrush Deciduous Woody Native Common 0 SeptemberOctoberNovemberDecember
200605 Orange Monkey Flower Mimulus Species Scrophulariaceae - Figwort Annual or Perennial monkey_flower Native Common 0 FebruaryMarchAprilMayJune
201106 Orange Humboldt Lily Lilium humboldtii Liliaceae - Lily Perennial humboldt_lily Deciduous Herbaceous Native Uncommon 0 MayJuneJuly
201804 Orange Fire Poppy Papaver californicum Papaveraceae - Poppy Annual fire_poppy Deciduous Herbaceous Endemic Uncommon 0 AprilMayJuneJuly
200611 Odd Sycamore Platanus racemosa Platanaceae - Sycamore Tree Sycamore Deciduous Woody Native Common 0 FebruaryMarchApril
201002 Odd Chocolate Lily Fritillaria biflora Liliaceae - Lily Perennial Chocolate_Lily Deciduous Herbaceous Endemic Uncommon 0 JanuaryFebruaryMarch
201512 Odd Stream Orchid Epipactis gigantea Orchidaceae - Orchid Perennial Stream_Orchid Deciduous Herbaceous Native Uncommon 0 AprilMayJuneJuly
200601 Blue Purple White Purple Nightshade Solanum xanti Solanaceae - Nightshade Shrub purple_nightshade Evergreen Herbaceous Native Common 0 DecemberJanuaryFebruaryMarchAprilMayJuneJuly
200607 Blue Purple Pink White Woolly Blue Curls Trichostema lanatum Lamiaceae - Mint Perennial wooly_blue_curls Evergreen Woody Native Common 0 FebruaryMarchAprilMayJune
200604 Blue Purple Lupine Lupinus Species Fabaceae - Legume Annual or Perennial lupine Native Common 0 FebruaryMarchAprilMayJune
200609 Blue Purple Vinegar Weed Trichostema lanceolatum Lamiaceae - Mint Annual vinegar_weed Native Common 0 JuneJulyAugustSeptemberOctoberNovember
200703 Blue Purple Large-Flowered Phacelia Phacelia grandiflora Boraginaceae - Waterleaf Annual LargeFloweredPhacelia Native Common 0 JanuaryFebruaryMarchAprilMayJune
200905 Blue Purple Twining Snapdragon Antirrhinum kelloggii Plantaginaceae - Plantain Annual twining_snapdragon Native Common 0 JanuaryFebruaryMarchAprilMay
201610 Blue Purple Purple Sage Salvia leucophylla Lamiaceae - Mint Shrub Purple_Sage Evergreen Woody Native Common 0 FebruaryMarchAprilMayJuneJulyAugust
201602 Blue Pink Sticky Gilia, Stinky Gilia Allophylum glutinosum Polemoniaceae - Phlox Annual Sticky_Gilia Native Uncommon 0 FebruaryMarchAprilMayJuneJulyAugust
200812 Blue Yerba Santa Eriodichtyon crassifolium Boraginaceae - Waterleaf Shrub yerba_santa Evergreen Woody Native Common 0 JanuaryFebruaryMarchAprilMayJune
200904 Blue Blue Dicks Dichelostemma capitatum Amaryllidaceae - Amaryllis Perennial wild_hyacinth Deciduous Herbaceous Native Common 0 DecemberJanuaryFebruaryMarchAprilMayJuneJulyAugust
201004 Blue Blue-Eyed Grass Sisyrinchium bellum Iridaceae - Iris Perennial blue_eyed_grass Deciduous Herbaceous Native Common 0 MarchAprilMayJune
201009 Blue Common Vervain Verbena lasiostachys Verbenaceae - Vervain Perennial common_vervain Evergreen Herbaceous Native Uncommon 0 DecemberJanuaryFebruaryMarchAprilMay
201103 Blue Parry’s Phacelia Phacelia parryi Boraginaceae - Waterleaf Annual parrys_phacelia Native Common 0 MarchAprilMay
201105 Blue Fiesta Flower Pholistoma auritum Boraginaceae - Waterleaf Annual fiesta_flower Native Common 0 MarchAprilMay
201107 Blue Blue Larkspur Delphinium parryi, Delphinium patens Ranunculaceae - Buttercup Perennial blue_larkspur Deciduous Herbaceous Native Common 0 MarchAprilMay
201205 Blue Foothill Penstemon Penstemon heterophyllus Plantaginaceae - Plantain Perennial foothill_penstemmon Deciduous Herbaceous Endemic Uncommon 0 AprilMayJuneJuly
201303 Blue Fern-Leaf Phacelia Phacelia distans Boraginaceae - Waterleaf Annual fern_leaf_phacelia Native Common 0 MarchAprilMayJune
201508 Blue Wooly Sapphire Eriastrum sapphirinum Polemoniaceae - Phlox Annual Wooly_Sapphire Native Uncommon 0 AprilMayJuneJuly
201612 Blue Chia, Golden Chia Salvia columbariae Lamiaceae - Mint Annual Chia Native Common 0 MarchAprilMayJune
201802 Blue Leather Root Hoita macrostachya Fabaceae - Legume Perennial leather_root Deciduous Woody Native UnCommon 0 JuneJulyAugustSeptember
201808 Blue Notable Penstemon Penstemon spectabilis Plantaginaceae - Plantain Perennial notable_penstemon Deciduous Woody Native Common 0 AprilMayJune
201812 Blue Skull Caps Scutellaria tuberosa Lamiaceae - Mint Perennial skull_caps Decidous Herbaceous Native Uncommon 0 MarchAprilMay
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Modified from a document created by the USDA. Link goes to External Web Site - USDA

Native, Invasive, and Other Plant-Related Definitions

Native Plant

A plant that is a part of the balance of nature that has developed over hundreds or thousands of years in a particular region or ecosystem. Note: The word native should always be used with a geographic qualifier (that is, native to California). Only plants found in this country before European settlement are considered to be native to the United States.

Endemic Plant

A plant that is found only within the borders of California. We have a unique environment in California and it shows with a large number of plants that grow here and nowhere else. Many native plants would be considered Endemic but they also grow just slightly beyond the borders of our state.

Invasive Plant

A plant that is both non-native and able to establish on many sites, grow quickly, and spread to the point of disrupting plant communities or ecosystems.

Non-Native Plant

A plant introduced with human help (intentionally or accidentally) to a new place or new type of habitat where it was not previously found. Note: Not all non-native plants are invasive. In fact, when many non-native plants are introduced to new places, they cannot reproduce or spread readily without continued human help (for example, many ornamental plants).

Naturalized Plant

A non-native plant that does not need human help to reproduce and maintain itself over time in an area where it is not native. Notes: Even though their offspring reproduce and spread naturally (without human help), naturalized plants do not, over time, become native members of the local plant community. Many naturalized plants are found primarily near human-dominated areas; and, sometimes, naturalized is used (confusingly) to refer specifically to naturally reproducing, non-native plants that do not invade areas dominated by native vegetation. However, since invasive plants also reproduce and spread without human help, they also are naturalized invasives are a small, but troublesome, sub-category of naturalized plants.

Exotic Plant

A plant not native to the continent on which it is now found. (Plants from Europe are exotic in North America; plants from North America are exotic in Japan.)

Translocated Plant

A plant not native to the portion of the continent where it is now found. (California Poppies in New England are an example of a translocated species.)

Opportunistic Native Plant

A native plant that is able to take advantage of disturbance to the soil or existing vegetation to spread quickly and out-compete the other plants on the disturbed site.

Weed

Common Usage - A weed is a plant (native or non-native) that is not valued in the place where it is growing (USDA Animal and Plant Health Inspection Service (APHIS)). Definition - Any plant that poses a major threat to agriculture and/or natural ecosystems within the United States.

Noxious Weed

Common Usage - A plant that is particularly troublesome. Legal Context (Federal Plant Protection Act) - Any plant or plant product that can directly or indirectly injure or cause damage to crops (including nursery stock or plant products), livestock, poultry or other interests of agriculture, irrigation, navigation, the natural resources of the United States, the public health, or the environment. Note: USDA APHIS maintains a list of federally-recognized noxious weeds. It is illegal to import Federally listed noxious weeds or transport them across state lines.


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