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| Family Aizoaceae |
| Sea Fig * Carpobrotus chilensis Family: Aizoaceae (Fig-Marigold). Point Mugu State Park: Thornhill Broome beach, Coastal Strand, April 2005. |
| Coppery Mesemb * Malephora crocea Family: Aizoaceae (Fig-Marigold). County Line Beach: Coastal Strand, September 2007. |
| Family Asclepiadaceae |
| California Milkweed Asclepias californica Family: Asclepiadaceae (Milkweed). Malibu Creek State Park: Crags Road, May 2005. |
| Indian Milkweed Asclepias eriocarpa Family: Asclepiadaceae (Milkweed). Malibu Creek State Park: Crags Road, May 2005. |
| Narrow-leaved Milkweed Asclepias fascicularis Family: Asclepiadaceae (Milkweed). Circle X Ranch: Campground roadside, sage scrub, 5-25-04. |
| Family Asteraceae |
| Perezia Acourtia microcephala Family: Asteraceae (Sunflower). Circle X Ranch: Canyon View Trail, sage scrub, 6-18-04. |
| Italian Thistle * Carduus pycnocephalus Family: Asteraceae (Sunflower). Circle X Ranch: Grotto Trail, oak woodland, 4-23-04. Note: Invasive exotic. |
| Cobweb Thistle Cirsium occidentale Family: Asteraceae (Sunflower). Backbone Trail between Saddle Peak Rd. and Trippet Ranch: chaparral, 5-8-04. |
| California Thistle Cirsium occidentale var. californicum Family: Asteraceae (Sunflower). Circle X Ranch: Mishe Mokwa Trail, chaparral, 6-7-04. |
| Bull Thistle * Cirsium vulgare Family: Asteraceae (Sunflower). Solstice Canyon: TRW Loop Trail, oak woodland, 6-14-04. |
| Cardoon * Cynara cardunculus Family: Asteraceae (Sunflower). Arroyo Sequit: Arroyo Sequit Loop Trail, valley grassland, 6-22-04. |
| Fleabane Aster Erigeron foliosus var. foliosus Family: Asteraceae (Sunflower). Other common names: leafy fleabane. Malibu Creek State Park: Mott Road, disturbed grassland, June 2005. |
| Woolly Aster Lessingia filaginifolia Family: Asteraceae (Sunflower). Circle X Ranch: Grotto Trail, chaparral, 2-29-04. |
| Cliff Aster Malacothrix saxatilis Family: Asteraceae (Sunflower). Circle X Ranch: Contact station, sage scrub, 6-28-04. |
| Salt Marsh Fleabane Pluchea odorata Family: Asteraceae (Sunflower). Other common names: marsh-fleabane, sweetscent. Leo Carrillo State Park: Coastal Strand, September 2007. |
| Milk-thistle * Silybum marianum Family: Asteraceae (Sunflower). Solstice Canyon: TRW Loop Trail, oak woodland, 6-14-04. |
| Tejon Milk-aster Stephanomeria cichoriacea Family: Asteraceae (Sunflower). Circle X Ranch: Sandstone Peak Trail, sage scrub, 7-26-04. |
| San Diego Milk-aster Stephanomeria diegensis Family: Asteraceae (Sunflower). Circle X Ranch: Mishe Mokwa Trail, oak woodland, 8-26-04. |
| Whiteplume Wirelettuce Stephanomeria exigua ssp. coronaria Family: Asteraceae (Sunflower). Rancho Sierra Vista/Satwiwa: Near Equestrian parking lot, disturbed grassland, June 2005. |
| Twiggy Wreath Plant Stephanomeria virgata Family: Asteraceae (Sunflower). Circle X Ranch: Flagpole Overlook, sage scrub, 8-31-04. |
| Family Brassicaceae |
| Sea Rocket * Cakile maritima Family: Brassicaceae (Mustard). Point Mugu State Park: Thornhill Broome Beach, Coastal Strand, 6-9-04. |
| Milkmaids Cardamine californica Family: Brassicaceae (Mustard). Backbone Trail between Latigo and Corral Trailheads: oak woodland, 4-16-04. |
| Slender-pod Jewel Flower Caulanthus heterophyllus var. heterophyllus Family: Brassicaceae (Mustard). Cheeseboro/Palo Comado Canyons: Sheep Corral Trail, burned chaparral, May 2006. |
| Wild Radish * Raphanus sativus Family: Brassicaceae (Mustard). Circle X Ranch: Yerba Buena Road roadside, chaparral, 2-23-04. |
| Lace-pod Thysanocarpus curvipes Family: Brassicaceae (Mustard). Other common names: sand fringepod, hairy fringe-pod. Circle X Ranch: Sandstone peak Trail, rocky slopes, March 2008.. |
| Narrow-leaved Fringe-pod Thysanocarpus laciniatus Family: Brassicaceae (Mustard). Other common names: mountain fringepod. Circle X Ranch: Grotto Trail, riparian woodland, March 2008.. |
| Family Cactaceae |
| Coast Cholla Opuntia prolifera Family: Cactaceae (Cactus). Other common names: cholla. Wildwood Park: coastal sage scrub, May 2007. |
| Family Caprifoliaceae |
| Snowberry Symphoricarpos mollis Family: Caprifoliaceae (Honeysuckle). Point Mugu State Park: Serrano Canyon Trail, riparian woodland, 4-19-04. |
| Family Caryophyllaceae |
| Hairypink * Petrorhagia dubia Family: Caryophyllaceae (Pink). Cheeseboro/Palo Comado Canyons: Albertson Motorway roadside, May 2006. |
| Sleepy Catchfly Silene antirrhina Family: Caryophyllaceae (Pink). Cheeseboro/Palo Comado Canyons: Sheep Corral Trail, burned chaparral, May 2006. |
| Many-nerved Catchfly Silene coniflora [Silene multinervia] Family: Caryophyllaceae (Pink). Cheeseboro/Palo Comado Canyons: Sheep Corral Trail, burned chaparral, April 2006. |
| Windmill Pink * Silene gallica Family: Caryophyllaceae (Pink). Circle X Ranch: Mishe Mokwa Trail, sage scrub, 3-23-04. |
| Indian Pink Silene laciniata Family: Caryophyllaceae (Pink). Backbone Trail between Latigo and Corral Trailheads, oak woodland, 5-7-04. |
| Family Chenopodiaceae |
| California Saltbush Atriplex californica Family: Chenopodiaceae (Goosefoot). Leo Carrillo State Park: Coastal Strand, September 2007. Note: the flowers of this plant are often referred to as green. |
| Australian Saltbush * Atriplex semibaccata Family: Chenopodiaceae (Goosefoot). Leo Carrillo State Park: Coastal Strand, September 2007. |
| Woody Glasswort Salicornia virginica Family: Chenopodiaceae (Goosefoot). Other common names: pickleweed. Malibu Lagoon State Beach: salt marsh, September 2006. |
| Russian Thistle * Salsola tragus Family: Chenopodiaceae (Goosefoot). Rancho Sierra Vista/Satwiwa: Big Sycamore Canyon Trail, valley grassland, 7-1-04. Note: Invasive exotic, NOXIOUS WEED. |
| Family Convolvulaceae |
| Wild Morning Glory Calystegia macrostegia Family: Convolvulaceae (Morning-glory). Circle X Ranch: Backbone Trail, chaparral, 2-17-04. |
| Beach Morning-glory Calystegia soldanella Family: Convolvulaceae (Morning-glory). Point Mugu State Park: Thornhill Broome Beach, Coastal Strand, 6-9-04. |
| Family Crassulaceae |
| Pigmy Weed Crassula connata Family: Crassulaceae (Stonecrop). Circle X Ranch: Mishe Mokwa Trail, sage scrub, 3-13-04. |
| Santa Monica Mountains Dudleya Dudleya cymosa ssp. marcescens Family: Crassulaceae (Stonecrop). Circle X Ranch: oak woodland, 4-30-04. |
| Lance-leaf Live-forever Dudleya lanceolata Family: Crassulaceae (Stonecrop). Circle X Ranch: Canyon View Trail, sage scrub, 5-4-04. |
| Chalk Live-forever Dudleya pulverulenta ssp. pulverulenta Family: Crassulaceae (Stonecrop). Circle X Ranch: Canyon View Trail, intermittent streambed, 6-18-04. |
| Family Ericaceae |
| Eastwood Manzanita Arctostaphylos glandulosa Family: Ericaceae (Heath). Circle X Ranch: Sandstone peak Trail, chaparral, 3-6-04. |
| Bigberry Manzanita Arctostaphylos glauca Family: Ericaceae (Heath). Circle X Ranch: Mishe Mokwa Trail, chaparral, 1-17-04. |
| Family Euphorbiaceae |
| Castor Bean * Ricinus communis Family: Euphorbiaceae (Spurge). Circle X Ranch: Yerba Buena Road roadside, chaparral, April 2004. Note: Invasive exotic. |
| Family Fabaceae |
| False Indigo Amorpha californica var. californica Family: Fabaceae (Pea). Other common names: California false indigo. Malibu Creek State Park: Crags Road, oak woodland, May 2005. |
| Brauton's Rattle-weed Astragalus brauntonii Family: Fabaceae (Pea). Other common names: Braunton's milkvetch. Topanga State Park: Temescal Ridge Trail, coastal sage scrub, May 2005. |
| Common Dwarf Locoweed Astragalus didymocarpus var. didymocarpus Family: Fabaceae (Pea). Other common names: dwarf white milkvetch. Wildwood Park: valley grassland, March 2005. |
| Western Redbud Cercis occidentalis Family: Fabaceae (Pea). Backbone Trail between Zuma Ridge Trail and Kanan Trailhead: disturbed roadside, March 2005. |
| Wild Sweet Pea Lathyrus vestitus Family: Fabaceae (Pea). Circle X Ranch: Mishe Mokwa Trail, oak woodland, 3-13-04. |
| Large-flowered Lotus Lotus grandiflorus Family: Fabaceae (Pea). Backbone Trail between Saddle Peak Rd. and Trippet Ranch: oak woodland, 5-8-04. |
| Spanish Clover Lotus purshianus Family: Fabaceae (Pea). Backbone Trail between Zuma Ridge Trail and Kanan Trailhead: riparian woodland, 4-26-04. |
| Deerweed Lotus scoparius Family: Fabaceae (Pea). Circle X Ranch: Backbone Trail, chaparral, 2-17-04. |
| Alfalfa * Medicago sativa Family: Fabaceae (Pea). Backbone Trail between Zuma Ridge Trail and Kanan Trailhead: oak woodland, 7-14-06. |
| Chaparral Pea Pickeringia montana ssp. montana Family: Fabaceae (Pea). Backbone Trail between Trippet Ranch and Will Rogers State Parks: chaparral, 6-12-04. |
| Garden Pea * Pisum sativum Family: Fabaceae (Pea). Agoura Road: valley grassland, May 2006. |
| Tree Clover Trifolium ciliolatum Family: Fabaceae (Pea). Other common names: foothill clover. Circle X Ranch: Canyon View Trail, chaparral, April 2005. |
| Creek Clover Trifolium obtusiflorum Family: Fabaceae (Pea). Other common names: clammy clover. Circle X Ranch: Canyon View Trail, intermittent streambed, June 2005. |
| Tomcat Clover Trifolium willdenovii Family: Fabaceae (Pea). Circle X Ranch: Canyon View Trail, sage scrub, 3-23-04. |
| Spring Vetch * Vicia sativa Family: Fabaceae (Pea). Circle X Ranch: Grotto Trail, riparian woodland, 3-18-04. |
| Winter Vetch * Vicia villosa Family: Fabaceae (Pea). Circle X Ranch: Grotto Trail, valley grassland, 3-18-04. |
| Family Frankeniaceae |
| Alkali Heath Frankenia salina Family: Frankeniaceae (Frankenia). Other common names: alkali seaheath. Malibu Lagoon State Beach: salt marsh, September 2006. |
| Family Gentianaceae |
| Desert Centaury Centaurium exaltatum Family: Gentianaceae (Gentian). Circle X Ranch: June 2005. Note: this variable flower frequently appears with five petals. |
| Canchalagua Centaurium venustum Family: Gentianaceae (Gentian). Paramount Ranch: Medea Creek Trail, valley grassland, May 2005. |
| Family Geraniaceae |
| Long-beaked Filaree * Erodium botrys Family: Geraniaceae (Geranium). Backbone Trail between Latigo and Corral Trailheads, riparian woodland, 4-16-04. |
| Red-stem Filaree * Erodium cicutarium Family: Geraniaceae (Geranium). Circle X Ranch: Campground roadside, sage scrub, 2-24-04. |
| White-stem Filaree * Erodium moschatum Family: Geraniaceae (Geranium). Circle X Ranch: Campground roadside, sage scrub, 3-12-04. |
| Carolina Geranium Geranium carolinianum Family: Geraniaceae (Geranium). Stunt Ranch: Stunt High Trail, chaparral, March 2005. |
| Dove's Foot Geranium * Geranium dissectum Family: Geraniaceae (Geranium). Other common names: cutleaf geranium. Stunt Ranch: Stunt High Trail, chaparral, March 2005. |
| Family Grossulariaceae |
| Hillside Gooseberry Ribes californicum Family: Grossulariaceae (Gooseberry). Circle X Ranch: Mishe Mokwa Trail, oak woodland, 2-17-04. |
| Chaparral Currant Ribes malvaceum Family: Grossulariaceae (Gooseberry). Circle X Ranch: Mishe Mokwa Trail, oak woodland, 1-17-04. |
| Fuchsia-flowered Gooseberry Ribes speciosum Family: Grossulariaceae (Gooseberry). Circle X Ranch: Backbone Trail, oak woodland, 4-8-04. |
| Family Hydrophyllaceae |
| Yerba Santa Eriodictyon crassifolium Family: Hydrophyllaceae (Waterleaf). Circle X Ranch: Yerba Buena Road roadside, chaparral, 4-30-04. |
| Family Lamiaceae |
| Henbit * Lamium amplexicaule Family: Lamiaceae (Mint). Circle X Ranch: Yerba Buena Road roadside, chaparral 2-23-04. |
| Pitcher Sage Lepechinia fragrans Family: Lamiaceae (Mint). Circle X Ranch: Backbone Trail, sage scrub, 4-8-04. |
| White Sage Salvia apiana Family: Lamiaceae (Mint). Circle X Ranch: Yerba Buena Road roadside, sage scrub, 3-24-04. |
| Purple Sage Salvia leucophylla Family: Lamiaceae (Mint). Circle X Ranch: Yerba Buena Road roadside, sage brush, 5-7-04. |
| Crimson Pitcher Sage Salvia spathacea Family: Lamiaceae (Mint). Other common names: Hummingbird Sage. Circle X Ranch: Grotto Trail, oak woodland 4-5-04. |
| Hedge-nettle Stachys bullata Family: Lamiaceae (Mint). Circle X Ranch: New Backbone Trail, chaparral, 4-8-04. |
| Family Liliaceae |
| Red-skinned Onion Allium haematochiton Family: Liliaceae (Lily). Circle X Ranch: Canyon View Trail, riparian woodland, 4-8-04. |
| Peninsular Onion Allium peninsulare Family: Liliaceae (Lily). Circle X Ranch: Backbone Trail, sage scrub, 4-17-04. |
| Plummer's Mariposa Lily Calochortus plummerae Family: Liliaceae (Lily). Circle X Ranch: Backbone Trail, chaparral, 6-7-04. |
| Lilac Mariposa Lily Calochortus splendens Family: Liliaceae (Lily). Other common names: splendid mariposa lily. Cheeseboro/Palo Comado Canyons: Albertson Motorway, valley grassland, June 2006. |
| Chocolate Lily Fritillaria biflora Family: Liliaceae (Lily). Circle X Ranch: Mishe Mokwa Trail, sage scrub 3-23-04. |
| Humboldt Lily Lilium humboldtii ssp. ocellatum Family: Liliaceae (Lily). Circle X Ranch: Mishe Mokwa Trail, 6-7-04. |
| Family Linaceae |
| Small-flowered Dwarf-flax Hesperolinon micranthum Family: Linaceae (Flax). Circle X Ranch: Mishe Mokwa Trail, coastal sage scrub, June 2007. |
| Family Lythraceae |
| California Loosestrife Lythrum californicum Family: Lythraceae (Loosestrife). Circle X Ranch: Canyon View Trail, intermittent streambed, 6-18-04. |
| Hyssop Loosestrife * Lythrum hyssopifolia Family: Lythraceae (Loosestrife). Rancho Sierra Vista/Satwiwa: Wendy Trail, riparian woodland, June 2005. |
| Family Malvaceae |
| Tree Mallow * Lavatera arborea Family: Malvaceae (Mallow). Yerba Buena Road roadside, March 2006. |
| Bush Mallow Malacothamnus fasciculatus Family: Malvaceae (Mallow). Point Mugu State Park: Serrano Canyon Road roadside, chaparral, 4-19-04. |
| Bull Mallow * Malva nicaeensis Family: Malvaceae (Mallow). Point Mugu State Park: Big Sycamore Canyon Trail, oak woodland, 4-19-04. |
| Cheeseweed * Malva parviflora Family: Malvaceae (Mallow). Circle X Ranch: Yerba Buena Road roadside, chaparral, 3-6-04. |
| Checker Bloom Sidalcea malviflora Family: Malvaceae (Mallow). Backbone Trail between Zuma Ridge Trail and Kanan Trailhead: riparian woodland, 4-26-04. |
| Family Nyctaginaceae |
| Red Sand Verbena Abronia maritima Family: Nyctaginaceae (Four O'Clock). Leo Carrillo State Park: Coastal Strand, September 2007. |
| Pink Sand Verbena Abronia umbellata Family: Nyctaginaceae (Four O'Clock). Point Mugu State Park: Thornhill Broome Beach, Coastal Strand, 6-7-04. |
| Wishbone Bush Mirabilis californica Family: Nyctaginaceae (Four O'Clock). Circle X Ranch: Grotto Trail, chaparral, 3-1-04. |
| Family Onagraceae |
| Farewell-to-spring Clarkia bottae Family: Onagraceae (Evening Primrose). Point Mugu State Park: Serrano Canyon Trail, riparian woodland, 4-19-04. |
| Speckled Clarkia Clarkia cylindrica Family: Onagraceae (Evening Primrose). Backbone Trail between Zuma Ridge Trail and Kanan Trailhead: chaparral, 4-26-04. |
| Purple Clarkia Clarkia purpurea Family: Onagraceae (Evening Primrose). Circle X Ranch: Canyon View Trail, riparian woodland, 5-4-04. |
| Elegant Clarkia Clarkia unguiculata Family: Onagraceae (Evening Primrose). Circle X Ranch: Grotto Trail, oak woodland, 5-2-04. |
| Field Willow-herb Epilobium brachycarpum Family: Onagraceae (Evening Primrose). Rocky Oaks: Rocky Oaks Loop Trail, oak woodland, 9-8-04. |
| California Fuchsia Epilobium canum Family: Onagraceae (Evening Primrose). Rocky Oaks: Rocky Oaks Loop Trail, oak woodland, 9-8-04. |
| Willow-herb Epilobium ciliatum ssp. ciliatum Family: Onagraceae (Evening Primrose). Circle X Ranch: Canyon View Trail, intermittent streambed, 6-25-04. |
| Wavy-leaved Gaura * Gaura sinuata Family: Onagraceae (Evening Primrose). Rancho Sierra Vista/Satwiwa: valley grassland, Sept 2005. |
| Mexican Evening Primrose * Oenothera speciosa Family: Onagraceae (Evening Primrose). Other common names: pinkladies. Westlake Road roadside: riparian, June 2007. |
| Family Orchidaceae |
| Stream Orchid Epipactis gigantea Family: Orchidaceae (Orchid). Circle X Ranch: riparian woodland, May 2006. |
| Family Orobanchaceae |
| Chaparral Broomrape Orobanche bulbosa (?) Family: Orobanchaceae (Broomrape). Ahmanson Ranch: burned valley grassland, June 2006. |
| Hillside Broomrape Orobanche vallicola Family: Orobanchaceae (Broomrape). Circle X Ranch: oak woodland, August 2007. |
| Family Oxalidaceae |
| Rose Oxalis * Oxalis rubra Family: Oxalidaceae (Oxalis). Soka University: May 2006. |
| Family Paeoniaceae |
| California Peony Paeonia californica Family: Paeoniaceae (Peony). Circle X Ranch: Canyon View Trail, chaparral, 2-29-04. |
| Family Papaveraceae |
| Bleeding Heart Dicentra ochroleuca Family: Papaveraceae (Poppy). Circle X Ranch: Backbone Trail, sage scrub, 4-8-04. |
| California Poppy Eschscholzia californica Family: Papaveraceae (Poppy). Backbone Trail between Zuma Ridge Trail and Kanan Trailhead: chaparral, 4-26-04. |
| Fire poppy Papaver californicum Family: Papaveraceae (Poppy). Circle X Ranch: Backbone Trail, chaparral, 4-8-04. |
| Family Platanaceae |
| Western Sycamore Platanus racemosa Family: Platanaceae (Sycamore). Circle X Ranch: Grotto Trail, riparian woodland, 3-21-04. Male and female blossoms. |
| Family Polemoniaceae |
| Stinky Gilia Allophyllum glutinosum Family: Polemoniaceae (Phlox). Other common names: sticky false gilyflower. Malibu Creek State Park: Cistern Trail, chaparral, May 2005. |
| Southern Gilia Gilia australis Family: Polemoniaceae (Phlox). Cheeseboro/Palo Comado Canyons: Cheeseboro Canyon Trail, burned chaparral, May 2006. |
| Purplespot Gilia Gilia clivorum Family: Polemoniaceae (Phlox). Peter Strauss Ranch: ranch area, disturbed roadside, March 2005. |
| Splendid Gilia Gilia splendens Family: Polemoniaceae (Phlox). Cheeseboro/Palo Comado Canyons: Sheep Corral Trail, burned chaparral, April 2006. |
| Prickly Phlox Leptodactylon californicum Family: Polemoniaceae (Phlox). Circle X Ranch: Sandstone peak Trail, chaparral, 3-16-04. |
| Ground-pink Linanthus dianthiflorus Family: Polemoniaceae (Phlox). Other common names: fringed linanthus. Triunfo Canyon Park: Pentachaeta Trail, chaparral, March 2005. |
| Flax-flowered Linanthus Linanthus liniflorus Family: Polemoniaceae (Phlox). Circle X Ranch: Mishe Mokwa Trail, chaparral, 6-7-04. |
| Hooked Navarretia Navarretia hamata Family: Polemoniaceae (Phlox). Other common names: hooked pincushionplant. Cheeseboro/Palo Comado Canyons: China Flat Trail, burned chaparral, May 2006. |
| Slender Phlox Phlox gracilis Family: Polemoniaceae (Phlox). Triunfo Canyon Park: rocky slope, May 2007. |
| Family Polygalaceae |
| Fish's Milkwort Polygala cornuta Family: Polygalaceae (Milkwort). Circle X Ranch: Mishe Mokwa Trail, oak woodland, 5-10-04. |
| Family Polygonaceae |
| Turkish Rugging Chorizanthe staticoides Family: Polygonaceae (Buckwheat). Circle X Ranch: Mishe Mokwa Trail, sage scrub, 5-3-04. |
| Anglestem Buckwheat Eriogonum angulosum Family: Polygonaceae (Buckwheat). Cheeseboro/Palo Comado Canyons: Cheeseboro Ridge Trail, burned valley grassland, May 2006. |
| Ashy Leaf Buckwheat Eriogonum cinereum Family: Polygonaceae (Buckwheat). Deer Creek Road roadside: sage scrub, 6-9-04. |
| Cithara Buckwheat Eriogonum cithariforme Family: Polygonaceae (Buckwheat). Malibu Creek State Park: Tapia Spur Trail, chaparral, May 2005. |
| Wand Buckwheat Eriogonum elongatum var. elongatum Family: Polygonaceae (Buckwheat). Rocky Oaks: Rocky Oaks Loop Trail, sage scrub, 9-9-04. |
| California Buckwheat Eriogonum fasciculatum Family: Polygonaceae (Buckwheat). Circle X Ranch: Grotto Trail, sage scrub, 2-24-04. |
| Sea-cliff Buckwheat Eriogonum parvifolium Family: Polygonaceae (Buckwheat). Leo Carrillo State Park: Coastal Strand, July 2005. |
| Water Smartweed Polygonum amphibium var. emersum Family: Polygonaceae (Buckwheat). Rocky Oaks: Rocky Oaks Pond, pond aquatic, 9-8-04. |
| Thread Stem Pterostegia drymarioides Family: Polygonaceae (Buckwheat). Circle X Ranch: Backbone Trail, chaparral, 4-8-04. |
| Family Portulacaceae |
| Brewer's Red Maids Calandrinia breweri Family: Portulacaceae (Purslane). Circle X Ranch: Backbone Trail below Triunfo peak, chaparral, April 2005. |
| Red Maids Calandrinia ciliata Family: Portulacaceae (Purslane). Stunt Ranch: Stunt High Trail, valley grassland, March 2005. |
| Bitter Root Lewisia rediviva Family: Portulacaceae (Purslane). Triunfo Canyon Park: rocky slope, May 2007. |
| Family Primulaceae |
| Scarlet Pimpernel * Anagallis arvensis Family: Primulaceae (Primrose). Circle X Ranch: Grotto Trail, oak woodland, 4-5-04. |
| Shooting Star Dodecatheon clevelandii Family: Primulaceae (Primrose). Circle X Ranch: Backbone Trail, sage scrub, 2-17-04. |
| Family Ranunculaceae |
| Scarlet Larkspur Delphinium cardinale Family: Ranunculaceae (Buttercup). Circle X Ranch: Mishe Mokwa Trail, chaparral, 6-7-04. |
| Family Rosaceae |
| California Wild Rose Rosa californica Family: Rosaceae (Rose). Point Mugu State Park: Serrano Canyon Trail, riparian woodland, 4-19-04. |
| Family Scrophulariaceae |
| Rose Snapdragon Antirrhinum multiflorum Family: Scrophulariaceae (Figwort). Circle X Ranch: Canyon View Trail, chaparral, 7-17-04. |
| Indian Paintbrush Castilleja affinis Family: Scrophulariaceae (Figwort). Point Mugu State Park: Serrano Road roadside, chaparral, 4-19-04. |
| Purple Owl's Clover Castilleja exserta Family: Scrophulariaceae (Figwort). Circle X Ranch: Mishe Mokwa Trail, sage scrub, 3-13-04. |
| Woolly Paintbrush Castilleja foliolosa Family: Scrophulariaceae (Figwort). Point Mugu State Park: Serrano Canyon Trail, sage scrub, 4-19-04. |
| Annual Paintbrush Castilleja minor ssp. spiralis Family: Scrophulariaceae (Figwort). Circle X Ranch: Canyon View Trail, riparian woodland, 4-12-04. |
| Heart-leaved Penstemon Keckiella cordifolia Family: Scrophulariaceae (Figwort). Circle X Ranch: Yerba Buena Road roadside, chaparral, 5-5-04. |
| Fluellin * Kickxia elatine Family: Scrophulariaceae (Figwort). Other common names: sharpleaf cancerwort. Mulholland Highway roadside: disturbed roadside, June 2005. |
| Bush Monkey Flower Mimulus aurantiacus Family: Scrophulariaceae (Figwort). Circle X Ranch: Grotto Trail, chaparral, 3-8-04. |
| Scarlet Monkey Flower Mimulus cardinalis Family: Scrophulariaceae (Figwort). Circle X Ranch: Grotto Trail, riparian woodland, 6-10-04. |
| Indian Warrior Pedicularis densiflora Family: Scrophulariaceae (Figwort). Arroyo Sequit: entrance road, chaparral, 1-18-05. |
| Scarlet Bugler Penstemon centranthifolius Family: Scrophulariaceae (Figwort). Backbone Trail between Latigo and Corral Trailheads: oak woodland, 4-16-04. |
| California Figwort Scrophularia californica Family: Scrophulariaceae (Figwort). Backbone Trail between Latigo and Corral Trailheads: riparian woodland, 4-16-04. |
| Family Solanaceae |
| Datura Datura wrightii Family: Solanaceae (Nightshade). Mulholland Highway roadside: chaparral, 4-18-04. |
| Family Tropaeolaceae |
| Nasturtium * Tropaeolum majus Family: Tropaeolaceae (Nasturtium). Solstice Canyon: Solstice Canyon Trail, oak woodland, 6-14-04. |
| Family Valerianaceae |
| Long-spurred Plectritic Plectritis ciliosa Family: Valerianaceae (Valerian). Malibu Creek State Park: valley grassland, 4-14-04. |
| Family Verbenaceae |
| Common Vervain Verbena lasiostachys Family: Verbenaceae (Vervain). Point Mugu State Park: Big sycamore Canyon Trail, oak woodland, 4-19-04. |