| Family Agavaceae |
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American Century Plant *
Agave americana var. americana TJM1: Not Listed. TJM2: Not Listed. Family: Agavaceae (AGAVE, CENTURY PLANT), Liliaceae (LILY). Generic common name: AGAVE. Point Mugu State Park: Thornhill Broome Beach, coastal strand, Aug 2010. Characteristics: Non-Native, Yellow, Large, Clusters, Simple, Woody, Perennial, Late Spring, Summer. |
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| Family Aizoaceae |
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Heartleaf Iceplant *
Aptenia cordifolia Family: Aizoaceae (FIG-MARIGOLD). Other common names: baby sun-rose, red apple. Generic common name: APTENIA. Malibu Lagoon State Beach: disturbed area near landscaping, Sept 2008. Characteristics: Non-Native, Red, Blue, Medium, Solitary, Simple, Herbaceous, Perennial, Early Spring, Late Spring, Summer. Escaped cultivar, although in range generally not invasive. The different color forms are a consequence of hybridization, often with A. haeckeliana (Platythyra haeckeliana.) True Aptenia cordifolia would have magenta flowers, as some shown here. |
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| Family Apiaceae |
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Queen Anne's Lace *
Daucus carota Family: Apiaceae (CARROT). Other common names: carrot, wild carrot. Generic common name: WILD CARROT, CARROT. Wildwood Park: Las Flores Trail, riparian woodland, Aug 2011. Characteristics: Non-Native, White, Blue, Small, Clusters, Odd, Simple, Herbaceous, Annual, Late Spring, Summer. |
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| Family Apocynaceae |
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Oleander *
Nerium oleander TJM1: Not Listed. Family: Apocynaceae (DOGBANE). Other common names: common oleander. Generic common name: OLEANDER. Multiple environments with previous landscaping, Sept 2010 . Characteristics: Non-Native, White, Red, Large, Clusters, Simple, Woody, Perennial, Summer. Cultivar. Does not appear to be reproducing in California. |
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| Family Araceae |
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Water Lettuce *
Pistia stratiotes Family: Araceae (ARUM). Generic common name: WATER-LETTUCE. Open water, June 2011. Characteristics: Non-Native, White, Green, Small, Clusters, Simple, Herbaceous, Perennial, Summer, Fall. Note: Invasive exotic. |
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| Family Asteraceae |
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Woolly Fishhooks
Ancistrocarphus filagineus Family: Asteraceae (SUNFLOWER). Other common names: false neststraw, hooked groundstar. Generic common name: NESTSTRAW, GROUNDSTAR, WOOLLY FISHHOOKS. Open Space near Ladyface Mountain: open patch in grassy meadow, April 2011. Characteristics: Native, White, Green, Small, Solitary, Simple, Herbaceous, Annual, Early Spring. |
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Mojave Sagebrush
Artemisia tridentata ssp. parishii Family: Asteraceae (SUNFLOWER). Other common names: Parish's sagebrush, big sagebrush. Generic common name: SAGEBRUSH. Upper Las Virgenes Canyon Open Space Preserve: coastal sage scrub, Oct 2011. Characteristics: Native, Yellow, Red, Small, Clusters, Simple, Woody, Perennial, Fall. |
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Hybrid Desertbroom
Baccharis sarothroides x pilularis Family: Asteraceae (SUNFLOWER). Other common names: Broom Baccharis. Generic common name: FALSE WILLOW, BACCHARIS. Los Angeles County Open Space: Canyonback Fire Road, chaparral, Sept 2009. Characteristics: Native, White, Small, Clusters, Simple, Woody, Perennial, Late Spring, Summer. This hybrid of two native species is actually an escaped cultivar with a form intermediate between its parents. |
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San Diego Viguiera
Bahiopsis laciniata TJM1: Viguiera laciniata. Family: Asteraceae (SUNFLOWER). Other common names: torhleaf goldeneye. Generic common name: GOLDENEYE. Malibu Creek State Park: near the Backbone Trail parking lot on Corral Canyon Road, chaparral, May 2010. Characteristics: Native, Yellow, Large, Solitary, Simple, Woody, Perennial, Early Spring, Late Spring, Summer. A California native used in landscaping, probably not native to the Santa Monica Mountains. |
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Woolly Distaff Thistle *
Carthamus lanatus Family: Asteraceae (SUNFLOWER). Generic common name: DISTAFF THISTLE. UCLA Stunt Ranch, disturbed grassland, June 2011. Characteristics: Non-Native, Yellow, Large, Solitary, Simple, Herbaceous, Annual, Late Spring. Note: Invasive exotic, NOXIOUS WEED. |
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Bachelor's Button *
Centaurea cyanus Family: Asteraceae (SUNFLOWER). Other common names: garden cornflower. Generic common name: KNAPWEED, STAR-THISTLE. Malibu Creek State Park: Cistern Trail, chaparral, June 2005. Characteristics: Non-Native, Blue, Large, Solitary, Simple, Herbaceous, Annual, Late Spring. Cultivar probably deliberately distributed by hikers. |
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Common Spikeweed
Centromadia pungens ssp. pungens TJM1: Hemizonia pungens. Family: Asteraceae (SUNFLOWER). Other common names: common tarweed. Generic common name: SPIKEWEED. Open Space near Seminole Hot Springs, open sunny ground in an oak woodland, July 2011. Characteristics: Native, Yellow, Medium, Solitary, Simple, Herbaceous, Annual, Late Spring, Summer. |
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Rush Skeleton Weed *
Chondrilla juncea TJM1: Not Listed. Family: Asteraceae (SUNFLOWER). Other common names: hogbite. Generic common name: CHONDRILLA. Palo Comado Canyon: Palo Comado Canyon Trail, oak savanna, June 2011. Characteristics: Non-Native, Yellow, Medium, Clusters, Simple, Herbaceous, Perennial, Summer. Note: Invasive exotic. |
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Garden Cosmos
Cosmos bipinnatus Family: Asteraceae (SUNFLOWER). May 2011. Characteristics: Native, Red, Large, Solitary, Simple, Herbaceous, Annual, Late Spring. Escaped cultivar. |
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Mojave Rabbitbrush
Ericameria nauseosa var. mohavensis TJM1: Chrysothamnus nauseosus ssp. mohavensis. Family: Asteraceae (SUNFLOWER). Other common names: rubber rabbitbrush. Generic common name: GOLDENBUSH, GOLDENWEED. October 2011. Characteristics: Native, Yellow, Small, Clusters, Simple, Woody, Perennial, Summer, Fall. A California native but probably not native to the Santa Monica Mountains. |
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Coast Tarweed
Madia sativa Family: Asteraceae (SUNFLOWER). Other common names: Chile tarweed. Generic common name: TARWEED. Private land near Old Topanga Road: sunny open area in oak woodland, Aug 2011. Characteristics: Native, Yellow, Medium, Clusters, Simple, Herbaceous, Annual, Late Spring, Summer. |
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Brewer's Ragwort
Packera breweri TJM1: Senecio breweri. Family: Asteraceae (SUNFLOWER). Generic common name: RAGWORT. Cheeseboro/Palo Comado Canyons: oak woodland, April 2010. Characteristics: Native, Yellow, Large, Clusters, Simple, Herbaceous, Annual, Early Spring, Late Spring. |
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Cotton Fireweed *
Senecio quadridentatus TJM1: Not Listed. TJM2: Senecio quadridentatus. Other scientific names: Erechtites quadridentata. Family: Asteraceae (SUNFLOWER). Other common names: cotton burnweed. Generic common name: GROUNDSEL, RAGWORT, BUTTERWEED. Topanga State Park: Eagle Springs Fire Road, chaparral, May 2011. Characteristics: Non-Native, Yellow, Small, Clusters, Simple, Herbaceous, Perennial, Late Spring. |
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Common Soliva *
Soliva sessilis Family: Asteraceae (SUNFLOWER). Other common names: field burrweed, lawn burrweed, South American soliva. Generic common name: BURRWEED. Private land near Rocky Oaks: trail margin in oak woodland, May 2011. Characteristics: Non-Native, Green, Small, Clusters, Solitary, Simple, Herbaceous, Annual, Late Spring. |
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| Family Boraginaceae |
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California popcornflower
Plagiobothrys collinus var. fulvescens Family: Boraginaceae (BORAGE). Other common names: Cooper's popcorn flower, rough-stemmed popcornflower. Generic common name: POPCORNFLOWER. Circle X Ranch: Mishe Mokwa Trail, thin soil on rocky outcrop. June 2010. Characteristics: Native, White, Small, Clusters, Simple, Herbaceous, Annual, Early Spring, Late Spring. |
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San Diego Popcorn Flower
Plagiobothrys collinus var. gracilis Family: Boraginaceae (BORAGE). Other common names: graceful popcorn flower, Cooper's popcorn flower. Generic common name: POPCORNFLOWER. Wildwood Park: Stagecoach Bluff Trail, thin-soiled open ground, Feb 2010. Characteristics: Native, White, Small, Clusters, Simple, Herbaceous, Annual, Early Spring. |
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| Family Brassicaceae |
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Prostrate Peppergrass
Lepidium strictum Family: Brassicaceae (MUSTARD). Other common names: upright pepperweed. Generic common name: PEPPERGRASS, PEPPERWORT, PEPPERWEED. China Flat Trail: Trailhead near Lindero Canyon Road, disturbed trail margin, May 2011. Characteristics: Native, Green, Small, Clusters, Odd, Simple, Herbaceous, Annual, Early Spring, Late Spring. |
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Tower Mustard
Turritis glabra TJM1: Arabis glabra. Family: Brassicaceae (MUSTARD). Other common names: tower rockcress. Generic common name: ROCKCRESS. Santa Ynez Canyon: Santa Ynez Canyon Trail, oak woodland, May 2011. Characteristics: Native, White, Small, Clusters, Odd, Simple, Herbaceous, Perennial, Early Spring, Late Spring. |
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| Family Bromeliaceae |
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Spanish Moss *
Tillandsia usneoides TJM1: Not Listed. TJM2: Not Listed. Family: Bromeliaceae (BROMELIAD). Other common names: old man’s beard. Generic common name: AIRPLANT. July 2011. Characteristics: Non-Native, Green, Small, Solitary, Simple, Herbaceous, Perennial, Summer. Occasionally seen in Franklin Canyon where it has probably been deliberately introduced. |
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| Family Campanulaceae |
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Rareflower Heterocodon
Heterocodon rariflorum Family: Campanulaceae (BELLFLOWER). Other common names: few-flowered heterocodon, western pearlflower. Generic common name: HETEROCODON. Castro Crest: Backbone Trail, riparian woodland, May 2009. Characteristics: Native, Blue, Small, Solitary, Simple, Herbaceous, Annual, Early Spring, Late Spring. I have yet to catch its tiny blue flowers (a "rare" event.) Often cleistogamous (i.e., flowers do not open). |
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Little Venus' Looking-glass
Triodanis biflora Family: Campanulaceae (BELLFLOWER). Other common names: small Venus' looking glass. Generic common name: VENUS LOOKING-GLASS. Castro Crest: Backbone Trail, oak woodland, April 2011. Characteristics: Native, Green, Blue, Small, Solitary, Simple, Herbaceous, Annual, Early Spring. |
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| Family Caryophyllaceae |
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Showy Baby's-breath *
Gypsophila elegans Family: Caryophyllaceae (PINK). Other common names: annual baby’s breath. Generic common name: BABY'S-BREATH. Malibu Creek State Park: Backbone Trail, oak woodland, May 2005. Characteristics: Non-Native, White, Medium, Clusters, Simple, Herbaceous, Annual, Late Spring. Cultivar probably deliberately distributed by hikers. |
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| Family Characeae |
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Chara Algae
Chara sp. Family: Characeae (STONEWORT). Division: Charophyta (STONEWORTS). Other common names: algae, stonewort algae, green algae. Generic common name: STONEWORT. Circle X Ranch: Canyon View Trail, shallow pools of intermittent streambed, August 2010. Characteristics: Native. Chara are members of the plant division Charophyta which are all freshwater pondweeds. |
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| Family Chenopodiaceae |
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Parish's glasswort
Arthrocnemum subterminale TJM1: Salicornia subterminalis. Family: Chenopodiaceae (GOOSEFOOT). Other common names: Parish's pickleweed. Generic common name: PICKLEWEED. Mugu Lagoon, salt marsh, Nov 2010. Characteristics: Native, Green, Small, Clusters, Simple, Woody, Perennial, Late Spring. Do not have flower pictures yet. |
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Four-wing Saltbush
Atriplex canescens var. canescens TJM1: Atriplex canescens ssp. canescens. Family: Chenopodiaceae (GOOSEFOOT). Other common names: shadscale, hoary saltbush. Generic common name: SALTBUSH, ORACH. Wildwood Park: Las Flores Trail, coastal sage scrub, Oct 2011. Characteristics: Native, Green, Small, Clusters, Simple, Woody, Perennial, Summer. A California native used in landscaping but probably not native to SMM. |
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Coulter’s Saltbush
Atriplex coulteri Family: Chenopodiaceae (GOOSEFOOT). Other common names: Coulter’s orach. Generic common name: SALTBUSH, ORACH. Malibu: coastal bluff, May 2011. Characteristics: Native, Green, Red, Small, Clusters, Odd, Simple, Herbaceous, Perennial, Early Spring. Status: CNPS List 1B.2. |
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Garden Beet *
Beta vulgaris ssp. maritima Family: Chenopodiaceae (GOOSEFOOT). Other common names: Sea Beet. Generic common name: BEET. Drier upper margin of salt marsh, July 2011. Characteristics: Non-Native, Green, Small, Clusters, Simple, Herbaceous, Perennial, Summer. |
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Pitseed Goosefoot *
Chenopodium berlandieri var. zschackei Family: Chenopodiaceae (GOOSEFOOT). Other common names: Zschack's goosefoot. Generic common name: PIGWEED, GOOSEFOOT. Day Canyon: drying bottom and margin of an ephemeral pool, July 2011. Characteristics: Non-Native, Green, Small, Clusters, Simple, Herbaceous, Annual, Late Spring, Summer, Fall. |
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Largeseed Goosefoot *
Chenopodium macrospermum Family: Chenopodiaceae (GOOSEFOOT). Other common names: coast goose. Generic common name: PIGWEED, GOOSEFOOT. Zuma Beach County Park, Zuma Lagoon, Oct 2011. Characteristics: Non-Native, Green, Small, Clusters, Simple, Herbaceous, Annual, Fall. |
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| Family Cistaceae |
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Pink Rockrose *
Cistus incanus TJM1: Cistus creticus. Other scientific names: Cistus villosus, Cistus incanus ssp. creticus. Family: Cistaceae (ROCK-ROSE). Other common names: hairy rockrose, Cretan rockrose. Generic common name: ROCK-ROSE. Malibu Creek State Park: riparian woodland east of Las Virgenes Cyn Rd, June 2009. Characteristics: Non-Native, Red, Large, Clusters, Solitary, Simple, Woody, Perennial, Late Spring. Cultivar infrequently encountered near urban landscaping. |
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| Family Convolvulaceae |
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South Coast False Bindweed
Calystegia macrostegia ssp. intermedia Family: Convolvulaceae (MORNING-GLORY). Other common names: island false bindweed. Generic common name: MORNING-GLORY, FALSE BINDWEED. Day Canyon: disturbed grassland, July 2011. Characteristics: Native, White, Large, Solitary, Simple, Herbaceous, Perennial, Early Spring, Late Spring. |
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Island Morning Glory
Calystegia macrostegia ssp. macrostegia Family: Convolvulaceae (MORNING-GLORY). Other common names: island false bindweed. Generic common name: MORNING-GLORY, FALSE BINDWEED. Disturbed road margin, July 2011. Characteristics: Native, White, Large, Solitary, Simple, Herbaceous, Perennial, Early Spring, Late Spring. |
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Asian Ponysfoot *
Dichondra micrantha Family: Convolvulaceae (MORNING-GLORY). Generic common name: PONYSFOOT. Paramount Ranch: sheltered margin of irrigated lawn, April 2011. Characteristics: Non-Native, White, Green, Small, Solitary, Simple, Herbaceous, Perennial, Late Spring, Summer. Cultivated as a ground cover. |
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| Family Crassulaceae |
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Canyon Dudleya
Dudleya cymosa ssp. cymosa Family: Crassulaceae (STONECROP). Other common names: canyon liveforever. Generic common name: DUDLEYA, LIVEFOREVER. Circle X Ranch: north-facing, steep rocky slope, April 2009. Characteristics: Native, Yellow, Red, Medium, Clusters, Simple, Herbaceous, Perennial, Early Spring. |
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Santa Monica Mountains Dudleya
Dudleya cymosa ssp. ovatifolia Family: Crassulaceae (STONECROP). Generic common name: DUDLEYA, LIVEFOREVER. Steep rock face, riparian, June 2011. Characteristics: Native, Yellow, Green, Medium, Clusters, Simple, Herbaceous, Perennial, Late Spring. Status: CNPS List 1B.2. |
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Palmer's Dudleya
Dudleya palmeri Family: Crassulaceae (STONECROP). Other common names: Palmer's liveforever. Generic common name: DUDLEYA, LIVEFOREVER. Malibu Canyon Road: steep roadcut, chaparral, June 2001. Characteristics: Native, Yellow, Red, Medium, Clusters, Simple, Herbaceous, Perennial, Late Spring. |
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Broadleaf Stonecrop
Sedum spathulifolium Family: Crassulaceae (STONECROP). Other common names: broadleaf sedum, Colorado stonecrop, spoon-leaved stonecrop. Generic common name: STONECROP. Malibu Creek State Park: steep rocky slopes above creek near Century Lake, chaparral, July 2011 (not a flowering date). Characteristics: Native, Yellow, Small, Clusters, Simple, Herbaceous, Perennial, Late Spring. No flower pictures. |
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| Family Cucurbitaceae |
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Field Pumpkin *
Cucurbita pepo var. pepo Family: Cucurbitaceae (GOURD). Other common names: squash, zucchini. Generic common name: GOURD, SQUASH. Rocky Oaks: disturbed area near the parking lot, July 2011. Characteristics: Non-Native, Yellow, Large, Solitary, Simple, Herbaceous, Annual, Late Spring, Summer. As with other species possessing a long history of cultivation it can take many forms. The common name for the variety shown here would be zucchini. |
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| Family Cyperaceae |
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Round-fruited Sedge
Carex globosa Family: Cyperaceae (SEDGE). Generic common name: SEDGE. March 2010. Characteristics: Native, Late Spring. |
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San Luis Obispo Sedge
Carex obispoensis Family: Cyperaceae (SEDGE). Generic common name: SEDGE. Malibu Creek State Park: Backbone Trail, chaparral, April 2010. Characteristics: Native, Late Spring. |
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Swamp Carex
Carex senta Family: Cyperaceae (SEDGE). Other common names: swamp sedge, rough sedge, western rough sedge. Generic common name: SEDGE. Circle X Ranch: Grotto Trail: intermittently flooded streambed, Feb 2010. Characteristics: Native, Early Spring. |
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Parish's Spikerush
Eleocharis parishii Family: Cyperaceae (SEDGE). Generic common name: SPIKERUSH. Wildwood Park: Las Flores Trail, creekside, riparian woodland, Aug 2011. Characteristics: Native, Herbaceous, Perennial, Summer. |
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Low Club Rush
Isolepis cernua TJM1: Scirpus cernuus. Family: Cyperaceae (SEDGE). Other common names: annual tule. Generic common name: BULRUSH. Leo Carrillo State Park: permanent wet seep just above the beach, May 2011. Characteristics: Native, Late Spring, Summer. |
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| Family Fabaceae |
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Dove Lupine
Lupinus bicolor Family: Fabaceae (PEA). Other common names: miniature lupine, bicolored lupine, annual lupine. Generic common name: LUPINE. Lake Eleanor Open Space: grassland, March 2010. Characteristics: Native, Red, Blue, Medium, Clusters, Odd, Herbaceous, Annual, Early Spring, Late Spring. |
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Slender Vetch
Vicia ludoviciana ssp. ludoviciana TJM1: Vicia ludoviciana var. ludoviciana. Family: Fabaceae (PEA). Other common names: deerpea vetch. Generic common name: VETCH. Castro Crest: Backbone Trail, riparian woodland, April 2010. Characteristics: Native, Red, Small, Clusters, Odd, Herbaceous, Annual, Early Spring, Late Spring. |
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| Family Hypericaceae |
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St. John’s Wort *
Hypericum canariense Family: Hypericaceae (ST. JOHN'S WORT, MANGOSTEEN). Other common names: Canary Island St. Johnswort. Generic common name: ST. JOHN'S WORT. Franklin Canyon, oak woodland, June 2011. Characteristics: Non-Native, Yellow, Large, Clusters, Simple, Woody, Perennial, Late Spring. |
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| Family Iridaceae |
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Yellow Water Iris *
Iris pseudacorus Family: Iridaceae (IRIS). Other common names: paleyellow iris, horticultural iris, yellow flag. Generic common name: IRIS. Cold Creek: creekbed. Characteristics: Non-Native, Yellow, Large, Solitary, Odd, Herbaceous, Perennial, Early Spring. Note: Invasive exotic, NOXIOUS WEED. |
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| Family Juncaceae |
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Southwestern Spiny Rush
Juncus acutus ssp. leopoldii Family: Juncaceae (RUSH). Generic common name: RUSH. Leo Carrillo State Park: coastal strand, May 2011. Characteristics: Native, Green, Red, Small, Clusters, Simple, Herbaceous, Perennial, Late Spring. |
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Baltic Rush
Juncus balticus FNA: Juncus arcticus var. balticus. Other scientific names: Juncus mexicanus. Family: Juncaceae (RUSH). Other common names: Mexican rush, wire rush, mountain rush. Generic common name: RUSH. Westlake Road: riparian woodland, June 2010. Characteristics: Native, Green, Red, Small, Clusters, Simple, Herbaceous, Perennial, Late Spring. A complex group, see discussion in the UCLA description. |
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Toad Rush
Juncus bufonius Family: Juncaceae (RUSH). Generic common name: RUSH. Circle X Ranch: Grotto Trail: riparian woodland in saturated soill, June 2011. Characteristics: Native, Green, Small, Clusters, Simple, Herbaceous, Annual, Late Spring. |
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Spreading Rush
Juncus patens Family: Juncaceae (RUSH). Generic common name: RUSH. Hondo Canyon: Backbone Trail, oak woodland, May 2011. Characteristics: Native, Green, Small, Clusters, Simple, Herbaceous, Perennial, Early Spring, Late Spring. |
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Brown Headed Rush
Juncus phaeocephalus Family: Juncaceae (RUSH). Generic common name: RUSH. Rancho Sierra Vista/Satwiwa: Near Equestrian parking lot, riparian woodland, Aug 2010. Characteristics: Native, Red, Small, Clusters, Simple, Herbaceous, Perennial, Summer. |
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Basket Rush
Juncus textilis Family: Juncaceae (RUSH). Other common names: mat rush. Generic common name: RUSH. Paramount Ranch: oak woodland near the creek, June 2007. Characteristics: Native, Green, Small, Clusters, Simple, Herbaceous, Perennial, Late Spring. |
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| Family Marsileaceae |
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Hairy Waterclover
Marsilea vestita ssp. vestita Family: Marsileaceae (MARSILEA). Generic common name: WATER-CLOVER. Day Canyon: drying bottom of an ephemeral pool, July 2011. Characteristics: Native. |
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| Family Moraceae |
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Edible Fig *
Ficus carica Family: Moraceae (MULBERRY). Other common names: common fig. Generic common name: FIG. Riparian woodland near China Flat Trail, May 2011. Characteristics: Non-Native, Green, Large, Solitary, Odd, Woody, Perennial, Early Spring, Late Spring. |
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| Family Myrtaceae |
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Red Gum *
Eucalyptus camaldulensis var. camaldulensis TJM1: Eucalyptus camaldulensis. Family: Myrtaceae (MYRTLE, WAX MYRTLE). Other common names: river red gum. Generic common name: GUM TREE. Peter Strauss Ranch: riparian zone near creek, June 2011. Characteristics: Non-Native, White, Medium, Large, Clusters, Simple, Woody, Perennial, Late Spring. Note: Invasive exotic, widely planted. |
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| Family Oleaceae |
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Chinese Privet *
Ligustrum lucidum Family: Oleaceae (OLIVE). Other common names: glossy privet. Generic common name: PRIVET. Old Meadows Park, Thousand Oaks: banks of a drainage ditch, July 2011. Characteristics: Non-Native, White, Small, Clusters, Simple, Woody, Perennial, Late Spring. Escaped cultivar. |
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Olive *
Olea europaea Family: Oleaceae (OLIVE). Generic common name: OLIVE. Private land near Mulholland and Kanan Roads: chaparral, May 2011. Characteristics: Non-Native, White, Small, Clusters, Simple, Woody, Perennial, Late Spring. |
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| Family Onagraceae |
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Drummond's Gaura *
Oenothera xenogaura TJM1: Gaura drummondii. Family: Onagraceae (EVENING PRIMROSE). Other common names: Drummond's beeblossom. Generic common name: EVENING PRIMROSE. Malibu Creek State Park: Phantom Trail, disturbed trail margin near landscaping, Aug 2011. Characteristics: Non-Native, Red, Medium, Clusters, Odd, Woody, Perennial, Summer. Note: has NOXIOUS WEED status. |
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| Family Orchidaceae |
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Chaparral Rein Orchid
Piperia cooperi Family: Orchidaceae (ORCHID). Other common names: Cooper's rein-orchid. Generic common name: PIPERIA, REIN ORCHID. Red Rock Canyon Park: Red Rock Canyon Road, chaparral, May 2011. Characteristics: Native, Green, Medium, Clusters, Odd, Herbaceous, Perennial, Early Spring. |
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| Family Plantaginaceae |
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Morrocan Toadflax
Linaria maroccana Family: Plantaginaceae (PLANTAIN). Generic common name: TOADFLAX. Circle X Ranch: Mishe Mokwa Trail, thin soiled grassland, May 2005. Characteristics: Native, White, Yellow, Red, Blue, Large, Clusters, Odd, Herbaceous, Annual, Early Spring. Garden escapee, probably deliberately spread by hikers. |
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Prairie Plantain
Plantago elongata Other scientific names: Plantago bigelovii. Family: Plantaginaceae (PLANTAIN). Other common names: long leaf plantain, annual coast plantago, coastal plantain, slender plantain. Generic common name: PLANTAIN. Triunfo Canyon Park: drying vernal pool near the reservoir, March 2010. Characteristics: Native, Green, Small, Clusters, Odd, Herbaceous, Annual, Early Spring. |
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| Family Poaceae |
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Redtop *
Agrostis gigantea Family: Poaceae (GRASS). Other common names: giant bentgrass, creeping bentgras. Generic common name: BENT GRASS. Upper Zuma Canyon: riparian woodland, Aug 2010. Characteristics: Non-Native. |
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Annual Quaking Grass *
Briza minor Family: Poaceae (GRASS). Other common names: lesser quakinggrass, little rattlesnake grass, little quakinggrass. Generic common name: QUAKING GRASS. July 2011. Characteristics: Non-Native. |
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California Brome
Bromus carinatus var. carinatus Family: Poaceae (GRASS). Other common names: mountain brome. Generic common name: BROME. Open Space near Ladyface Mountain: oak savanna, May 2011. Characteristics: Native. |
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Rescue Grass *
Bromus catharticus var. catharticus Family: Poaceae (GRASS). Generic common name: BROME. Rocky Oaks: disturbed area near parking lot, March 2011. Characteristics: Non-Native. |
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Woodland Brome *
Bromus pseudolaevipes Family: Poaceae (GRASS). Other common names: coast range brome, southern chinook brome. Generic common name: BROME. Latigo Canyon Road margin near Newton Canyon, oak woodland, June 2011. Characteristics: Non-Native. |
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Feather Finger Grass *
Chloris virgata Family: Poaceae (GRASS). Other common names: feather windmill-grass. Generic common name: WINDMILL GRASS. Sept 2009. Characteristics: Non-Native. |
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Bermuda Grass *
Cynodon dactylon Family: Poaceae (GRASS). Generic common name: BERMUDA GRASS, DOG'S-TOOTH GRASS . Peter Strauss Ranch: intermittently flooded gravel bed near creek, June 2011. Characteristics: Non-Native. |
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Durban Crowfoot *
Dactyloctenium aegyptium Family: Poaceae (GRASS). Other common names: crowfoot grass, Egyptian grass. Generic common name: CROWFOOT GRASS. Spring 2011. Characteristics: Non-Native. |
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Tall Fescue *
Festuca arundinacea FNA: Schedonorus arundinaceus. Other scientific names: Lolium arundinaceum. Family: Poaceae (GRASS). Generic common name: FESCUE, RYE GRASS. Paramount Ranch: low areas near the creek, June 2011. Characteristics: Non-Native. |
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Elmer Fescue
Festuca elmeri Family: Poaceae (GRASS). Other common names: coast fescue. Generic common name: FESCUE, RYE GRASS. May 2011. Characteristics: Native. Day Canyon: disturbed grassland, May 2011. |
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Perennial Ryegrass *
Festuca perennis TJM1: Lolium perenne. Other scientific names: Lolium multiflorum. Family: Poaceae (GRASS). Other common names: Italian ryegrass, annual ryegrass. Generic common name: FESCUE, RYE GRASS. Rocky Oaks: miscellaneous trails, disturbed grassland, June 2010. Characteristics: Non-Native. The combination of the previously separated annual and perennial species into this one species is discussed in the UCLA description. |
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Dwarf Barley
Hordeum depressum Family: Poaceae (GRASS). Other common names: low barley, alkali barley. Generic common name: BARLEY. Cheeseboro/Palo Comado Canyons: disturbed grassland, April 2008. Characteristics: Native. |
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Smooth Barley *
Hordeum murinum ssp. glaucum Family: Poaceae (GRASS). Other common names: foxtail. Generic common name: BARLEY. Jan 2010. Characteristics: Non-Native. |
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Barley *
Hordeum vulgare TJM1: Not Listed. Family: Poaceae (GRASS). Other common names: common barley, cultivated barley. Generic common name: BARLEY. Feb 2010. Characteristics: Non-Native. |
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Prairie Junegrass
Koeleria macrantha Family: Poaceae (GRASS). Generic common name: JUNE GRASS. Open Space near Ladyface Mountain: oak/grassland interface. Characteristics: Native. |
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Deergrass
Muhlenbergia rigens Family: Poaceae (GRASS). Generic common name: MUHLY. Rocky Oaks: Pond Trail, oak savannah, Sept 2011. Characteristics: Native. |
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Seashore Paspalum *
Paspalum vaginatum Family: Poaceae (GRASS). Generic common name: CROWNGRASS. Malibu Lagoon State Beach: tidal salt marsh, dec 2010. Characteristics: Non-Native. Note: Invasive exotic. |
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Feathertop *
Pennisetum villosum Family: Poaceae (GRASS). Generic common name: FOUNTAINGRASS. Pacific Coast Highway near Mugu State Park: disturbed road margin, July 2011. Characteristics: Non-Native. |
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Lesser Canarygrass *
Phalaris minor Family: Poaceae (GRASS). Other common names: littleseed canarygrass, Mediterranean canarygrass. Generic common name: CANARYGRASS. Day Canyon: disturbed grassland, May 2011. Characteristics: Non-Native. |
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Hooded Canarygrass *
Phalaris paradoxa Family: Poaceae (GRASS). Generic common name: CANARYGRASS. Day Canyon: disturbed grassland, May 2011. Characteristics: Non-Native. |
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Ditch Beardgrass *
Polypogon interruptus Family: Poaceae (GRASS). Other common names: ditch rabbitsfoot grass. Generic common name: BEARD GRASS, RABBITSFOOT GRASS. Leo Carrillo State Park: permanent wet seep just above the beach, May 2011. Characteristics: Non-Native. |
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Water Beardgrass *
Polypogon viridis TJM1: Agrostis viridis. Other scientific names: Agrostis semiverticillata. Family: Poaceae (GRASS). Other common names: green bentgrass, water bent. Generic common name: BEARD GRASS, RABBITSFOOT GRASS. Malibu Creek State Park: creekside near Mott Road, riparian woodland, June 2010. Characteristics: Non-Native. |
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Bur Bristle Grass *
Setaria adhaerens Family: Poaceae (GRASS). Other common names: tropical barbed bristlegrass. Generic common name: BRISTLEGRASS. Oct 2008. Characteristics: Non-Native. |
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Johnson Grass *
Sorghum halepense Family: Poaceae (GRASS). Generic common name: SORGHUM. Occasional weed especially where adequate moisture is available, May 2011. Characteristics: Non-Native. Note: has NOXIOUS WEED status in some locations. |
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Nodding Needlegrass
Stipa cernua TJM1: Nassella cernua. Family: Poaceae (GRASS). Generic common name: NEEDLEGRASS. Peter Strauss Ranch: Parking lot margin, May 2011. Characteristics: Native. |
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| Family Polygonaceae |
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Santa Catalina Island Buckwheat
Eriogonum giganteum var. giganteum Family: Polygonaceae (BUCKWHEAT). Other common names: Santa Catalina Island’s St. Catherine’s Lace. Generic common name: WILD BUCKWHEAT, BUCKWHEAT. Malibu Lagoon State Beach: trailside near tidal salt marsh, July 2011. Characteristics: Native, White, Small, Clusters, Simple, Woody, Perennial, Late Spring, Summer. Naturalized in Santa Monica Mountains (introduced California native). |
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Sheep Sorrel *
Rumex acetosella Family: Polygonaceae (BUCKWHEAT). Other common names: field sorrel. Generic common name: DOCK. Topanga State Park, Trippet Ranch: Eagle Springs Road, disturbed grassland, April 2011. Characteristics: Non-Native, Green, Red, Small, Clusters, Simple, Herbaceous, Perennial, Early Spring. |
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Bitter Dock *
Rumex obtusifolius Family: Polygonaceae (BUCKWHEAT). Other common names: broadleaf dock. Generic common name: DOCK. Agora Road: wet area in the road margin, March 2010. Characteristics: Non-Native, Green, Small, Clusters, Simple, Herbaceous, Perennial, Winter, Early Spring. |
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Yellow Dock
Rumex persicarioides TJM1: Not Listed. Family: Polygonaceae (BUCKWHEAT). Generic common name: DOCK. Day Canyon: drying bottom and margin of an ephemeral pool, May 2011. Characteristics: Native, Green, Small, Clusters, Odd, Simple, Herbaceous, Annual, Late Spring. |
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| Family Potamogetonaceae |
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Fennel-leaf Pondweed
Stuckenia pectinata TJM1: Potamogeton pectinatus. Family: Potamogetonaceae (PONDWEED). Other common names: sago pondweed. Generic common name: PONDWEED. Open water, July 2011. Characteristics: Native, Yellow, Small, Clusters, Odd, Simple, Herbaceous, Perennial, Late Spring. |
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| Family Rosaceae |
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Narrow-leaved Firethorn *
Pyracantha angustifolia Family: Rosaceae (ROSE). Other common names: slender firethorn, woolly firethorn. Generic common name: FIRETHORN. Santa Ynez Canyon: Santa Ynez Canyon Trail, oak woodland, May 2011. Characteristics: Non-Native, White, Small, Clusters, Simple, Woody, Perennial, Late Spring. |
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| Family Solanaceae |
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Jimson Weed *
Datura stramonium Family: Solanaceae (NIGHTSHADE, POTATO). Other common names: Toloache. Generic common name: JIMSON WEED, THORN-APPLE. Calleguas Creek: sandbar near CSUCI, July 2011. Characteristics: Non-Native, White, Large, Clusters, Simple, Herbaceous, Annual, Summer. |
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Tomatillo *
Physalis philadelphica Family: Solanaceae (NIGHTSHADE, POTATO). Other common names: tomate, Mexican groundcherry. Generic common name: GROUND-CHERRY. Developed picnic areas, Sept 2011. Characteristics: Non-Native, Yellow, Large, Solitary, Simple, Herbaceous, Annual, Late Spring, Summer. An escaped garden herb, probably unintentionally spread by picnickers. |
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Lanceleaf Nightshade *
Solanum lanceolatum Family: Solanaceae (NIGHTSHADE, POTATO). Other common names: orangeberry nightshade. Generic common name: NIGHTSHADE. Infrequently escaped cultivar of disturbed spaces, April 2011. Characteristics: Non-Native, Blue, Large, Clusters, Simple, Woody, Perennial, Early Spring, Late Spring. Note: has NOXIOUS WEED status. |
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| Family Verbenaceae |
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Bigbract Verbena
Verbena bracteata Family: Verbenaceae (VERVAIN). Other common names: bracted verbena, prostrate vervain. Generic common name: VERVAIN. Day Canyon: drying bottom and margin of an ephemeral pool, July 2011. Characteristics: Native, Red, Blue, Small, Clusters, Odd, Herbaceous, Annual, Late Spring, Summer. |
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Moss Verbena *
Verbena pulchella TJM1: Verbena tenuisecta. Other scientific names: Glandularia pulchella. Family: Verbenaceae (VERVAIN). Generic common name: VERVAIN. Oakbrook Community Park: Albertson Motorway, chaparral, disturbed road margin, May 2011. Characteristics: Non-Native, White, Blue, Medium, Large, Clusters, Simple, Herbaceous, Annual, Late Spring, Summer. Escaped cultivar generally found near urban landscaping. |
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| Family Vitaceae |
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Cultivated Grape *
Vitis vinifera Family: Vitaceae (GRAPE). Other common names: wine grape. Generic common name: GRAPE. Private land near Mulholland and Kanan Roads: oak woodlandl, June 2011. Characteristics: Non-Native, Green, Small, Clusters, Simple, Woody, Perennial, Late Spring. As with other species possessing a long history of cultivation it can take many forms. |
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| Family Zannichelliaceae |
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Common Poolmat
Zannichellia palustris Family: Zannichelliaceae (HORNED-PONDWEED). Other common names: grass-wrack. Generic common name: HORNED-PONDWEED. Circle X Ranch: Creekbed near Mishe Mokwa Trail, July 2011. Characteristics: Native, Green, Small, Clusters, Odd, Simple, Herbaceous, Annual, Late Spring, Summer. |
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