Eudicots of Orange County, California

Compiled by Peter J. Bryant, School of Biological Sciences, University of California, Irvine, Irvine, CA 92697.
To comment, mailto:pjbryant@uci.edu. Glossary. Other sources
*, exotic species; Red background, invasive species on the RED ALERT Emergent Invasives list (California Native Plant Society, Orange County Chapter); +, listed species.

 
Adoxaceae: Elderberry  

Blue Elderberry,
Sambucus nigra ssp. caerulea		        
Aizoaceae: Ice Plants, Fig-marigolds

* Sea-Fig,
Carpobrotus chilensis
* Hottentot-Fig,
Carpobrotus edulis
* Rodondo creeper,
Drosanthemum floribundum
* Galenia,
Galenia pubescens
* Red Iceplant,
Malephora crocea

* Rocky Point Ice plant,
Malephora luteola
* Crystalline Iceplant,
Mesembryanthemum crystallinum
* Slender-leaved Iceplant, Mesembryanthemum nodiflorum
Western Sea-Purslane,
Sesuvium verrucosum
* New Zealand Spinach,
Tetragonia tetragonoides
Amaranthaceae: Amaranths

* Common Tumbleweed,
Amaranthus albus
* Mat Amaranth,
Amaranthus blitoides
* Purple amaranth,
Amaranthus blitum ssp. emarginatus
* Argentina Amaranth,
Amaranthus deflexus
Palmer's Amaranth,
Amaranthus palmeri

* Rough Pigweed,
Amaranthus retroflexus
* Clammy goosefoot,
Dysphania pumilio		  

Anacardiaceae: Sumacs or Cashews. Characteristics
 

Laurel Sumac,
Malosma laurina
* Pistachio,
Pistachia chinensis
Skunkbush,
Rhus trilobata (= Rhus aromatica)
Sugar Bush,
Rhus ovata
Lemonade Berry,
Rhus integrifolia
   

* Karee,
Searsia lancea
Western Poison Oak,
Toxicodendron diversilobum
* Peruvian Pepper Tree,
Schinus molle
* Chilean pepper tree,
Schinus polygamus
* Brazilian Pepper Tree,
Schinus terebinthifolius
Apiaceae: Carrot family Apocynaceae: Milkweeds      

Separate index page
Separate index page 		     
Araliaceae: Ivy family

California spikenard,
Aralia californica
Hoary Bowlesia,
Bowlesia incana
* Canarian Ivy,
Hedera canariensis
* European Ivy,
Hedera helix
Water Pennywort,
Hydrocotyle ranunculoides

* Lawn Marshpennywort,
Hydrocotyle sibthorpioides
Manyflower Marsh Pennywort, Hydrocotyle umbellata
Whorled Pennywort,
Hydrocotyle verticillata		    
Asteraceae: Sunflowers Bataceae: Saltworts Berberidaceae: Barberries Betulaceae: Birches and Alders

Separate index page
Saltwort,
Batis maritima
Shining Netvein Barberry,
Berberis dictyota
California Barberry,
Berberis pinnata
White Alder,
Alnus rhombifolia

Boraginaceae: Borages

Common Fiddleneck,
Amsinckia menziesii
Cleveland's Cryptantha,
Cryptantha clevelandii
Common Cryptantha,
Cryptantha intermedia
Coastal Cryptantha,
Cryptantha leiocarpa
Tejon Cryptantha,
Cryptantha microstachys

Pointed Cryptantha,
Cryptantha muricata var. jonesii
* Pride of Madeira,
Echium candicans
Whispering Bells,
Emmenanthe penduliflora
Thickleaf Yerba Santa,
Eriodictyon crassifolium
Hairy Yerba Santa,
Eriodictyon trichocalyx

Common eucrypta,
Eucrypta chrysanthemifolia
Palmer's Grappling Hook,
Harpagonella palmeri

Alkali heliotrope,
Heliotropium curassavicum
Mud Nama,
Nama stenocarpum
Baby blue-eyes,
Nemophila menziesii

Littlefoot Nemophila,
Nemophila pedunculata
Slender pectocarya,
Pectocarya linearis ssp. ferocula
Sleeping Combseed,
Pectocarya penicillata
Shortlobe Phacelia,
Phacelia brachyloba

Caterpillar phacelia,
Phacelia cicutaria

Davidson's Phacelia,
Phacelia davidsonii
Common Phacelia,
Phacelia distans
Largeflower Phacelia,
Phacelia grandiflora
+ Hubby's Phacelia,
Phacelia hubbyi
Imbricate Phacelia,
Phacelia imbricata ssp. patula

Wild Canterbury bells,
Phacelia minor
Parry's Phacelia,
Phacelia parryi
Branching phacelia,
Phacelia ramosissima
+ Star Phacelia,
Phacelia stellaris
Tansy phacelia,
Phacelia tanacetifolia

Blue Fiesta Flower,
Pholistoma auritum
Racemose Fiesta Flower,
Pholistoma racemosum
Adobe Popcornflower,
Plagiobothrys acanthocarpus
Valley Popcornflower,
Plagiobothrys canescens
California Popcorn Flower,
Plagiobothrys collinus

Rusty Popcorn flower,
Plagiobothrys nothofulvus
Slender Popcorn Flower,
Plagiobothrys tenellus
Poodledog Bush,
Turricula parryi		    
Brassicaceae: Mustards. Three Invasive Mustards

American Yellow Rocket,
Barbarea orthoceras
* Black mustard, Brassica nigra
* Field Mustard, Brassica rapa
* Sahara Mustard,
Brassica tournefortii
* Sea Rocket, Cakile maritima

* Shepherd's Purse,
Capsella bursa-pastoris
Milkmaids,
Cardamine californica
Little Western Bittercress,
Cardamine oligosperma
Slender-pod jewelflower,
Caulanthus heterophyllus
California Mustard,
Caulanthus lasiophyllus

Tansy mustard,
Descurainia pinnata
Western Wallflower,
Erysimum capitatum
* Short-podded mustard,
Hirschfeldia incana
* Lesser wartcress,
Lepidium didymum
* Whitetop,
Lepidium draba

Sand peppergrass,
Lepidium lasiocarpum
* Perennial peppergrass,
Lepidium latifolium
Shiny Peppergrass,
Lepidium nitidum
Veiny pepperweed,
Lepidium oblongum
* Clasping pepperweed,
Lepidium perfoliatum

* Sweet Alyssum,
Lobularia maritima
* Garden stock,
Matthiola incana
* Watercress,
Nasturtium officinale
* Wild radish,
Raphanus raphanistrum
* Wild radish,
Raphanus sativus

Bog Yellowcress,
Rorippa palustris
* Jim Hill Mustard,
Sisymbrium altissimum
* London Rocket,
Sisymbrium irio
* Hedge mustard,
Sisymbrium officinale
* Indian Hedgemustard,
Sisymbrium orientale

Fringe pod,
Thysanocarpus curvipes
Lace-pod (Fringe-pod),
Thysanocarpus laciniatus
Dobie pod,
Tropidocarpum gracile		    
Cactaceae: Cacti. Prickly Pear Comparisons

California Cholla,
Cylindropuntia californica
Coast Cholla (Coastal Cholla), Cylindropuntia prolifera
* Indian Fig Opuntia,
Opuntia ficus-indica
Coast Prickly Pear,
Opuntia littoralis
Oracle Cactus,
Opuntia oricola

Western Prickly Pear,
Opuntia x occidentalis
Red Flowered Prickly Pear,
Opuntia x vaseyi		      
Campanulaceae: Bellflowers      

Dunn's Lobelia,
Lobelia dunnii var. serrata
Southern bluecup,
Githopsis diffusa spp. candida		      
Caprifoliaceae: Honeysuckles

* Red Valerian,
Centranthus ruber
* Japanese honeysuckle,
Lonicera japonica
Southern Honeysuckle, Lonicera subspicata var. denudata
Common Snowberry,
Symphoricarpos albus
Spreading Snowberry,
Symphoricarpos mollis
Caryophyllaceae: Pinks

Sandcarpet,
Cardionema ramosissimum
* Hairy Rupturewort,
Herniaria hirsuta
Douglas' stitchwort,
Minuartia douglasii
California Manyseed,
Polycarpon depressum
* Four-leaved Allseed,
Polycarpon tetraphyllum

Western Pearlwort, Sagina decurrens ssp. occidentalis
Arctic Pearlwort,
Sagina saginoides
* Night-flowering Catchfly,
Silene coniflora
* Windmill pink,
Silene gallica
Fringed Indian Pink,
Silene laciniata

Lemmon's catchfly,
Silene lemmonii
San Francisco Campion,
Silene verecunda ssp. platyota
* Corn Spurry,
Spergula arvensis
* Boccone's Sand Spurry,
Spergularia bocconi
Sticky Sandspurry,
Spergularia macrotheca

Salt Marsh Sand Spurry,
Spergularia marina
* Hairy Sand Spurry,
Spergularia villosa
* Common Chickweed,
Stellaria media		  
Ceratophyllaceae: Hornworts      

Hornwort,
Ceratophyllum demersum		        
Chenopodiaceae: Goosefoots

Parish's glasswort,
Arthrocnemum subterminale
* River Saltbush,
Atriplex amnicola
Fourwing Saltbush,
Atriplex canescens
Coulter's saltbush,
Atriplex coulteri
* Waxy Saltbush,
Atriplex glauca

Quailbush (Big Saltbush, Brewer's Saltbush), Atriplex lentiformis
Beach saltbush,
Atriplex leucophylla
Lindley's Saltbush,
Atriplex lindleyi
+ Davidson's saltbush,
Atriplex pacifica
Triangle Orache,
Atriplex prostrata

Tumbling Saltbush,
Atriplex rosea
* Australian Saltbush,
Atriplex semibaccata
Bractscale,
Atriplex serenana
* Sprawling Saltbush,
Atriplex suberecta
Spearscale,
Atriplex triangularis

Wedgeleaf Saltbush,
Atriplex truncata
Watson's Saltbush,
Atriplex watsonii
* Five-hook Bassia,
Bassia hyssopifolia
Wild Beetroot,
Beta vulgaris
* Lamb's Quarters (Pigweed), Chenopodium album

Pitseed Goosefoot,
Chenopodium berlandieri
* Jerusalem Oak Goosefoot,
Chenopodium botrys
California goosefoot,
Chenopodium californicum
* Oak-leaved goosefoot,
Chenopodium glaucum
Largeseed Goosefoot,
Chenopodium macrospermum

* Nettle-leaved Goosefoot, Chenopodium murale
* Tasmanian Goosefoot,
Chenopodium pumilio
Winged Pigweed,
Cycloloma atriplicifolium
* Mexican Tea,
Dysphania ambrosioides
California saltbush,
Extriplex californica

* Burningbush,
Kochia scoparia
Dwarf saltwort,
Salicornia bigelovii
Woody Glasswort (Pacific
Pickleweed), Salicornia pacifica
Opposite Leaved Saltwort,
Salsola soda
* Prickly Russian Thistle,
Salsola tragus

+ California sea-blite,
Suaeda californica
+ Estuary Sea-blite,
Suaeda esteroa
+ Woolly sea-blite,
Suaeda taxifolia		    
Cistaceae: Rock Roses  

* Pink Rock Rose,
Cistus incanus
* Crimson-spotted Rock Rose,
Cistus ladanifer
* Sage-leaved Rock Rose,
Cistus salviifolius
California Rush Rose,
Crocanthemum scoparium		  
Cleomaceae: Capers Commelinaceae: Dayflowers  

Bladderpod,
Peritoma arborea
* Benghal Dayflower,
Commelina benghalensis
* Asiatic Dayflower,
Commelina communis		  
Convolvulaceae: Morning glories, Dodders and Dichondras

Morning Glory,
Calystegia macrostegia
Chaparral False Bindweed,
Calystegia occidentalis
Marsh Morning Glory,
Calystegia sepium
Beach Morning Glory,
Calystegia soldanella
* Field Bindweed,
Convolvulus arvensis

Small-Flowered Morning-Glory, Convolvulus simulans
Alkali Weed,
Cressa truxillensis
California dodder,
Cuscuta californica
Field dodder,
Cuscuta campestris
Saltmarsh Dodder,
Cuscuta pacifica

Canyon dodder,
Cuscuta subinclusa
Western Dichondra,
Dichondra occidentalis
Mile-a-minute Vine,
Ipomoea cairica
Blue Morning Glory,
Ipomoea indica
* Purple Morning Glory,
Ipomoea purpurea
Crassulaceae: Stonecrops

* Tree Aeonium,
Aeonium arboreum
* Haworth's Aeonium,
Aeonium haworthii
Pig's Ear,
Cotyledon orbiculata
Pygmy-weed,
Crassula aquatica
Pygmy-weed,
Crassula connata

* London pride, Crassula multicava
Jade Plant,
Crassula ovata
* Mossy Stonecrop,
Crassula tillaea
Blochman's Dudleya,
Dudleya blochmaniae
Santa Monica Mountains Dudleya,
Dudleya cymosa ssp. ovatifolia

Canyon Liveforever,
Dudleya cymosa ssp. pumila
Ladies' Fingers,
Dudleya edulis
Lanceleaf Dudleya,
Dudleya lanceolata
Many-stemmed Dudleya,
Dudleya multicaulis
Chalk Dudleya,
Dudleya pulverulenta

+ Laguna Beach Dudleya,
Dudleya stolonifera
Sticky Liveforever,
Dudleya viscida		      
Cucurbitaceae: Gourds

Datiscaceae: Datiscas. Characteristics

Watermelon,
Citrullus lanatus var. citroides
Wild Gourd (Coyote gourd),
Cucurbita foetidissima
Wild Cucumber (Manroot), Marah macrocarpus var. macrocarpus
Durango Root,
Datisca glomerata
 
Ericaceae: Heaths. Characteristics and species comparisons

Pacific Madrone,
Arbutus menziesii
Eastwood manzanita,
Arctostaphylos glandulosa
Bigberry manzanita,
Arctostaphylos glauca
Pringle Manzanita,
Arctostaphylos pringlei
Summer Holly,
Comarostaphylis diversifolia

Mission Manzanita,
Xylococcus bicolor		        
Euphorbiaceae: Spurges

California Copperleaf,
Acalypha californica
California Croton,
Croton californicus
Doveweed (Turkey mullein),
Croton setigerus
Rattlesnake weed,
Euphorbia albomarginata
Diamond Frost,
Euphorbia hypericifolia

* Gopher spurge (Mole plant),
Euphorbia lathyris
* Spotted Spurge,
Euphorbia maculata
Cliff Spurge,
Euphorbia misera
Petty Spurge (Cancer weed), Euphorbia peplus
Smallseed Sandmat,
Euphorbia polycarpa

* Matted sandmat,
Euphorbia serpens
Thymeleaf Sandmat, Euphorbia serpyllifolia var. serpyllifolia
Warty spurge,
Euphorbia spathulata
* Castor-bean,
Ricinis communis
* Chinese Tallow Tree,
Sapium sebiferum
Fabaceae: Legumes; Subfamily Faboideae: Characteristics

(Separate index page)		    
Fagaceae: Oaks. Characteristics

Coast Live Oak,
Quercus agrifolia
California Scrub Oak,
Quercus berberidifolia
Canyon Oak,
Quercus chrysolepis


Nuttall's Scrub Oak,
Quercus dumosa


Engelmann oak,
Quercus engelmannii

Holly Oak,
Quercus ilex
Oracle Oak,
Quercus X morehus
Valley Oak,
Quercus lobata
Interior Live Oak,
Quercus wislizenii		  
Frankeniaceae: Frankenias Garryaceae   Characteristics    

Alkali heath,
Frankenia salina
Pale Silk-Tassel,
Garrya flavescens
Canyon Silktassel,
Garrya veatchii
   
Gentianaceae: Gentians    

Catchfly Prairie Gentian,
Eustoma exaltatum
Parry's Deer Ears,
Frasera parryi
Canchalagua,
Zeltnera venusta		    
Geraniaceae: Geraniums

* Short-fruited filaree,
Erodium brachycarpum
* Long-beaked filaree,
Erodium botrys

* Red-stemmed filaree,
Erodium cicutarium
* White-stemmed filaree,
Erodium moschatum
Carolina crane's-bill,
Geranium carolinianum

* Cutleaf Geranium,
Geranium dissectum
* Dovesfoot Geranium,
Geranium molle		      
Grossulareaceae: Gooseberries and currants. Characteristics Easily confused Orange County gooseberries

Bitter Gooseberry,
Ribes amarum
Golden Currant,
Ribes aureum
Hillside Gooseberry,
Ribes californicum
White-flowered Currant,
Ribes indecorum
Chaparral Currant,
Ribes malvaceum, var. malvaceum

Chaparral Currant,
Ribes malvaceum, var. viridiflorum
Sierra Gooseberry,
Ribes roezlii
Fuchsia-flowered Gooseberry,
Ribes speciosum		    
Haloragaceae: Watermilfoils Hypericaceae: St. John's Worts Juglandaceae: Walnuts  

Shortspike watermilfoil, Myriophyllum sibiricum
* Canary Islands St. John's-wort,
Hypericum canariense
California Black Walnut,
Juglans californica
* English Walnut,
Juglans regia		  
Lamiaceae: Mints and Sages

+ San Miguel savory,
Clinopodium chandleri
* Henbit,
Lamium amplexicaule
+ Santa Ana Pitcher Sage,
Lepechinia cardiophylla
* Common Horehound,
Marrubium vulgare
* Spearmint,
Mentha spicata

* Peppermint,
Mentha x piperita
Mustang Mint,
Monardella breweri
Thickleaf Monardella,
Monardella hypoleuca
+ Hall's monardella,
Monardella micrantha ssp. hallii
Sierra Mint,
Pycnanthemum californicum

White Sage,
Salvia apiana
Chia,
Salvia columbariae
Purple Sage,
Salvia leucophylla
Black Sage,
Salvia mellifera
Hummingbird Sage,
Salvia spathacea

Miscellaneous sage hybrids
Sierra skullcap, Scutellaria
bolanderi ssp. austromontana
Danny's Scullcap,
Scutellaria tuberosa
Rigid hedge-nettle,
Stachys ajugoides var. rigida
California Hedge-nettle,
Stachys bullata

Rough hedge-nettle,
Stachys rigida ssp. quercetorum
Woolly Blue-curls,
Trichostema lanatum
Vinegar weed,
Trichostema lanceolatum
Parish's bluecurls,
Trichostema parishii		  
Linaceae: Flaxes Loasaceae  

* Scarlet Flax,
Linum grandiflorum
Chaparral Blazing Star,
Mentzelia micrantha		      
Lythraceae: Loosestrifes

Purple ammannia,
Ammannia coccinea
Grand redstem,
Ammannia robusta
California Loosestrife,
Lythrum californicum
* Hyssop loosestrife,
Lythrum hyssopifolia
* Pomegranate,
Punica granatum
Malvaceae: Mallows

Palmer's Indian Mallow,
Abutilon palmeri
California flannelbush, Fremontodendron californicum
* Pyramid Tree,
Lagunaria patersonia
Island Mallow,
Lavatera assurgentiflora
* Cornish Mallow,
Lavatera cretica

Yellowstem Bushmallow, Malacothamnus densiflorus
Bush Mallow,
Malacothamnus fasciculatus
* Bull Mallow,
Malva nicaeensis
* Cheeseweed,
Malva parviflora
Cretan Mallow,
Malva pseudolavatera

Alkali Mallow,
Malvella leprosa
* Common Mallow,
Malva sylvestris
* Carolina Bristlemallow,
Modiola caroliniana
Checker bloom,
Sidalcea malviflora
Few-leaved Checker Bloom,
Sidalcea sparsifolia
Montiaceae: Montias

Brewer's Redmaids,
Calandrinia breweri
Fringed Redmaids,
Calandrinia ciliata
+ Seaside Pussypaws,
Cistanthe maritima
Common Pussypaws,
Cisthante monandrum
Narrow-leaf Miner's Lettuce,
Claytonia parviflora ssp. parviflora

Miner's Lettuce,
Claytonia perfoliata ssp. perfoliata		        
Moraceae: Mulberries and Figs

Myrsinaceae: Primroses

  

White Mulberry,
Morus alba
* Scarlet Pimpernel,
Lysimachia arvensis		      
Myrtaceae: Myrtles and Eucalyptus

* River Red gum,
Eucalyptus camaldulensis
* Sugar Gum,
Eucalyptus cladocalyx
* Blue Gum,
Eucalyptus globulus
* Silver dollar gum,
Eucalyptus polyanthemos
* Coral Gum,
Eucalyptus torquata
Nyctaginaceae: Four o'clocks Abronia comparison

Red sand verbena,
Abronia maritima
Pink Sand Verbena (Beach Sand Verbena), Abronia umbellata
* Marvel of Peru,
Mirabilis jalapa
Wishbone bush,
Mirabilis laevis var. crassifolia		  
Oleaceae: Ashes, Olives, Lilacs, Privets. Characteristics

California Flowering-Ash,
Fraxinus dipetala
* Shamel Ash,
Fraxinus uhdei


Velvet Ash,
Fraxinus velutina

    
Onagraceae: Evening Primroses. Characteristics

Sun Cup,
Camissoniopsis bistorta
Beach evening primrose,
Camissoniopsis cheiranthifolia
Hairy Sun Cup,
Camissoniopsis hirtella
Jurupa Hills Sun Cup,
Camissoniopsis ignota
Small evening primrose,
Camissoniopsis micrantha

Strigulose evening primrose,
Camissonia strigulosa
Farewell-to-Spring,
Clarkia bottae
Canyon Clarkia,
Clarkia epilobioides
Purple Clarkia,
Clarkia purpurea ssp. quadrivulnera
Diamond Clarkia,
Clarkia rhomboidea

Ramona Clarkia,
Clarkia similis
Tall Willowherb,
Epilobium brachycarpum
California Fuchsia,
Epilobium canum
California Sun Cup,
Eulobus californicus
Fringed Willowherb, Epilobium
ciliatum ssp. ciliatum

* Creeping Water Primrose,
Ludwigia hexapetela
Yellow Water-primrose,
Ludwigia peploides		 L. repens (introduced invasive). Possibly established in the San Diego Creek Channel, but not confirmed. Generally 4 petals per flower.
California Evening Primrose,
Oenothera californica
Hooker's Evening Primrose,
Oenothera elata

Showy Evening Primrose,
Oenothera speciosa		        
Orobanchaceae: Broomrapes Castilleja comparisons

Clustered Broomrape,
Aphyllum fasciculatum
Parish's Broomrape,
Aphyllum parishii ssp. parishii
Broomrape,
Aphyllum sp.
Possibly undescribed species, Aphyllum sp.
Coast Paintbrush,
Castilleja affinis ssp. affinis

Desert Indian Paintbrush,
Castilleja applegatei spp. martinii
Dense-flowered Indian Paintbrush, Castilleja densiflorus
Purple Owl's Clover,
Castilleja exserta ssp. exserta
Woolly Paintbrush,
Castilleja foliosa
Lesser Indian Paintbrush,
Castilleja minor

Salt Marsh Bird's Beak,
Cordylanthus maritimus
Stiffbranch Bird's Beak,
Cordylanthus rigidus
Indian Warrior,
Pedicularis densiflora		    
Oxalidaceae: Woodsorrels Paeoniaceae: Peonies

White Oxalis,
Oxalis albicans
* Creeping Woodsorrel,
Oxalis corniculata
* Pink Shamrock,
Oxalis corymbosa
* Bermuda Buttercup,
Oxalis pes-caprae
California Peony,
Paeonia californica
Papaveraceae: Poppies

Bush Poppy,
Dendromecon rigida
Golden Ear-drops,
Ehrendorferia chrysantha
White eardrops,
Ehrendorferia ochroleuca
Tufted Poppy,
Eschscholzia caespitosa
California Poppy,
Eschscholzia californica

Small-flowered Meconella,
Meconella denticulata
Western Poppy,
Papaver californicum
Wind Poppy,
Papaver heterophyllum
Coulter's Matilija Poppy,
Romneya coulteri		  
Phrymaceae: Lopseed and Monkeyflowers

Sticky Monkeyflower,
Diplacus aurantiacus
Widethroat Yellow Monkeyflower,
Diplacus brevipes
+ Cleveland's Bush Monkeyflower, Diplacus clevelandii
Scarlet Monkeyflower,
Erythranthe cardinalis
Many-flowered Monkeyflower,
Erythranthe floribunda
Phrymaceae: Lopseed and Monkeyflowers (cont.) Phytolaccaceae: Pokeweeds Pittosporaceae: Pittosporums

Seep Monkey flower,
Erythranthe guttatus
Downy Monkey flower,
Mimetanthe pilosa
American Pokeweed,
Phytolacca americana
* Mexican Pokeweed,
Phytolacca heterotepala
* Victorian Box Tree,
Pittosporum undulatum
Plantaginaceae: Plantains

Coulter's Snapdragon,
Antirrhinum coulterianum
Twining Snapdragon,
Antirrhinum kelloggii
Violet Snapdragon, Antirrhinum nuttallianum, ssp. nuttallianum
Nuttall's Snapdragon, Antirrhinum nuttallianum spp. subsessile
Water Hyssop,
Bacopa monnieri

Two-headed Water Starwort, Callitriche heterophylla
Winged Water Starwortt,
Callitriche marginata
Southern Chinese Houses,
Collinsia concolor
Purple Chinese Houses,
Collinsia heterophylla
Parry's Blue-eyed Mary,
Collinsia parryi

Yellow Bush Penstemon,
Keckiella antirrhinoides
Heart-leaved Bush Penstemon, Keckiella cordifolia
Sharpleaf Cancerwort,
Kickxia elatine
Roundleaf Cancerwort,
Kickxia spuria
Canada Toadflax,
Linaria canadensis

Blue Toadflax,
Nuttallanthus texanus
Scarlet Bugler,
Penstemon centranthifolius
Grinnell's Penstemon,
Penstemon grinnellii
Foothill Penstemon,
Penstemon heterophyllus
Showy Penstemon,
Penstemon spectablis

* French Psyllium,
Plantago areneria
Slender Plantain,
Plantago elongata
California plantain,
Plantago erecta
* English Plantain,
Plantago lanceolata
* Common Plantain,
Plantago major

Woolly Plantain,
Plantago ovata
* Water Speedwell,
Veronica anagallis-aquatica		      
Platanaceae: Sycamores      

Western Sycamore,
Platanus racemosa
* London Plane Tree,
Platanus × hispanica		      
Plumbaginaceae: Leadworts

California Sea Lavender,
Limonium californicum
* European Sea Lavender,
Limonium duriusculum
* Perez's Sea Lavender,
Limonium perezii
* Algerian Sea Lavender,
Limonium ramosissimum
* Wavy Leaf Sea Lavender,
Limonium sinuatum

Polemoniaceae: Phloxes. Characteristics


Straggling Gilia,
Allophyllum divaricatum
Blue False-gilia,
Allophyllum glutinosum
Giant Woolly Star,
Eriastrum densifolium
Sapphire Wool Star,
Eriastrum sapphirinum
California Gilia,
Gilia achilleifolia

Los Angeles Gilia,
Gilia angelensis
Globe or Blue-headed Gilia,
Gilia capitata
Bird's-eye Gilia,
Gilia tricolor
Whisker-brush,
Leptosiphon ciliatus
Many-flowered Linanthus,
Leptosiphon floribundus

Smooth Many-flowered Linanthus, Leptosiphon floribundus
Flax-flowered Linanthus,
Leptosiphon liniflorus
Prickly Phlox,
Linanthus californicus
Ground Pink,
Linanthus dianthiflorus
Coast Baby-star,
Linanthus parviflorus

Hollyleaf Navarretia,
Navarretia atractyloides
Hooked Navarretia,
Navarretia hamata
Prostrate pincushionplant,
Navarretia prostrata
Southern Gilia,
Saltugilia australis		  
Polygalaceae: Milkworts        

Sierra milkwort,
Polygala cornuta		      
Polygonaceae: Buckwheats and relatives

Fringed Spineflower,
Chorizanthe fimbriata
+ Peninsular Spineflower,
Chorizanthe leptotheca
Knotweed Spineflower,
Chorizanthe polygonoides
Prostrate Spineflower,
Chorizanthe procumbens
Turkish Rugging,
Chorizanthe staticoides

* Devil's Thorn,
Emex spinosa
Long-stemmed Buckwheat (Wand Buckwheat), Eriogonum elongatum
California Buckwheat, Eriogonum fasciculatum spp. fasciculatum
Leafy Buckwheat, Eriogonum fasciculatum ssp. foliolosum
Saint Catherine's Lace,
Eriogonum giganteum

Slender Woolly Buckwheat,
Eriogonum gracile
* San Miguel Island Buckwheat, Eriogonum grande rubescens
Few-flowered Naked Buckwheat, Eriogonum nudum var. pauciflorum
Bluff (Dune, Seacliff) Buckwheat, Eriogonum parvifolium
Rock Buckwheat,
Eriogonum saxatile

Thurber's Buckwheat,
Eriogonum thurberi
Wright's Buckwheat, Eriogonum wrightii var. subscaposum
Leather spineflower,
Lastarriaea coriacea
+ Coast Woolly Heads,
Nemacaulis denudata
Longroot Smartweed,
Persicaria amphibia

* Silver-sheath knotweed,
Polygonum argyrocoleon
* Willow or Pale Smartweed,
Persicaria (= Polygonum) lapathifolia
Common Knotgrass,
Polygonum aviculare
* Lady's Thumb, Persicaria (= Polygonum) maculosa (= vulgaris)
Dotted Knotweed,
Persicaria punctata

Granny's Hairnet (Threadstem), Pterostegia drymarioides
* Sharp Dock,
Rumex conglomeratus
* Curly Dock,
Rumex crispus
Wild Rhubarb,
Rumex hymenosepalus
Golden Dock,
Rumex maritimus

Willow Dock,
Rumex salicifolius		        
Portulacaceae: Purslanes   Primulaceae: Primroses

Common Purslane,
Portulaca oleracea
Chaffweed,
Lysimachia minima
Padre's Shooting Star,
Primula clevelandii

Ranunculaceae: Buttercups

Pipestems, Clematis lasiantha
Note on Clematis species
Virgin's Bower,
Clematis ligusticifolia
Ropevine,
Clematis pauciflora
Scarlet Larkspur,
Delphinium cardinale
Parry's Larkspur,
Delphinium parryi

Blue Larkspur,
Delphinium patens


California Buttercup,
Ranunculus californicus

 Desert Buttercup, Ranunculus cymbalaria, occurs along the Santa Ana river and was found at Upper Newport Bay in 1966.
Delicate Buttercup,
Ranunculus hebecarpus
Western Buttercup,
Ranunculus occidentalis

Meadow Rue,
Thalictrum fendleri (male)
Meadow Rue,
Thalictrum fendleri (female)		      
Rhamnaceae: Buckthorns. Characteristics and leaf comparisons

Hoary-leaved Ceanothus,
Ceanothus crassifolius
Deer Brush,
Ceanothus integerrimus
Chaparral Whitethorn,
Ceanothus leucodermis
Bigpod Ceanothus,
Ceanothus megacarpus
Hairy Ceanothus,
Ceanothus oliganthus

Greenbark Ceanothus,
Ceanothus spinosus
Woollyleaf Ceanothus,
Ceanothus tomentosus
California Coffee Berry,
Frangula californica
* Italian Buckthorn,
Rhamnus alaternus
Redberry Buckthorn,
Rhamnus crocea

Holly-leaved Redberry,
Rhamnus ilicifolia
     
Rosaceae: Roses. Characteristics

Chamise, Adenostoma
fasciculatum var. fasciculatum
San Diego Chamise, Adenostoma fasciculatum var. obtusifolium
Redshanks,
Adenostoma sparsifolium
Western lady's mantle,
Aphanes occidentalis
California or Birch-leaf Mountain Mahogany, Cercocarpus betuloides

Smooth Mountain Mahogany, Cercocarpus minutiflorus
Sticky Cinquefoil,
Drymocallis glandulosa
Ocean Spray,
Holodiscus discolor
Small-leaved Cream Bush, Holodiscus microphyllus var. microphyllus
Mesa Horkelia,
Horkelia cuneata

Toyon,
Heteromeles arbutifolia
Holly-leaved Cherry,
Prunus ilicifolia ssp. ilicifolia
California (Wild) Rose,
Rosa californica
* Himalayan Blackberry,
Rubus armeniacus
California Blackberry,
Rubus ursinus
Rubiaceae: Madders. Characteristics

Common Bedstraw,
Galium aparine
Narrow-leaved Bedstraw,
Galium angustifolium
Climbing Bedstraw,
Galium nuttallii spp. nuttallii
Climbing Bedstraw,
Galium porrigens
* Field Madder,
Sherardia arvensis
Rutaceae: Rues        

Bush Rue,
Cneoridium dumosum		        
Salicaceae: Cottonwoods and Willows. Characteristics and species comparison.

Fremont Cottonwood,
Populus fremontii ssp. fremontii
Black Cottonwood,
Populus trichocarpa		      

Narrow-leaved Willow (Sandbar
Willow), Salix exigua
Black Willow (Goodding's Willow),
Salix gooddingii
Red Willow,
Salix laevigata
Pacific Willow,
Salix lasiandra
Arroyo Willow,
Salix lasiolepis
Sapindaceae: Maples      

Big-leaf Maple,
Acer macrophyllum
* Goldenrain tree,
Koelreuteria paniculata		      

Saxifragaceae: Saxifrages. Characteristics

Roundleafed Brookfoam,
Boykinia rotundifolia
Parry's Jepsonia (Coast Jepsonia), Jepsonia parryi
Woodland Star,
Lithophragma affine ssp. mixtum
California Saxifrage, Micranthes (Saxifraga) californica		  
Scrophulariaceae: Figworts (Add: Butterfly bush, * Buddleja davidii)  

Yellowseed False Pimpernel,
Lindernia dubia


* Mousehole Tree,
Myoporum laetum
California Figwort (Bee Plant), Scrophularia californica
* Common Mullein,
Verbascum thapsus
* Twiggy Mullein,
Verbascum virgatum

Neckweed,
Veronica peregrina ssp. xalapensis		        
Simaroubaceae: Quassias      

Tree of Heaven,
Ailanthus altissima		        

Solanaceae: Nightshades. Characteristics; Note on Genus Solanum

* Long-Spined Thorn Apple,
Datura ferox


* Jimson Weed,
Datura stramonium
Sacred Datura (Tolguacha),
Datura wrightii
Baja desert-thorn,
Lycium brevipes var hassei
California Boxthorn,
Lycium californicum

Tomato,
Lycopersicon esculentum
Cleveland's Tobacco,
Nicotiana clevelandii
* Tree Tobacco,
Nicotiana glauca
Indian Tobacco,
Nicotiana quadrivalvis
Seaside Petunia,
Petunia parviflora

Thick-leaved Ground-cherry,
Physalis crassifolia
* Lily of the Valley Vine,
Salpichroa origanifolia
* Small-flowered (White) Nightshade, Solanum americanum
* Chilean Nightshade,
Solanum crispum
Douglas' Nightshade,
Solanum douglasii

Silverleaf Nightshade,
Solanum elaeagnifolium
* Buffalo Berry,
Solanum rostratum
Purple Nightshade,
Solanum xanti 		   
Styracaceae :Storaxes Tamaricaceae: Tamarisk family

Theophrastaceae: Theophrasta family

 Tropaeolaceae: Tropaeolum family

Drug Snowbell,
Styrax redivivus
* Chinese Tamarisk,
Tamarix chinensis
* Tamarisk,
Tamarix ramosissima
Water Pimpernel,
Samolus parviflorus
* Garden Nasturtium,
Tropaeolum majus
Ulmaceae: Elms Urticaceae: Nettles. Characteristics

* Chinese Elm,
Ulmus parvifloria
Western Nettle (Annual Stinging Nettle), Hesperocnide tenella
Rillita Pellitory,
Parietaria hespera
Hoary (Stinging) Nettle,
Urtica dioica ssp. holosericea
* Dwarf Nettle,
Urtica urens
Valerianaceae: Valerians      

Red Valerian,
Centranthus ruber
Longspur Seablush,
Plectritis ciliosa		    
Verbenaceae: Vervains. Characteristics  

Turkey-tangle Frog-fruit, Phyla nodiflora var. nodiflora
Bigbract Verbena,
Verbena bracteata
Western Verbena, Verbena lasiostachys var. lasiostachys
Common Vervain,
Verbena officinalis		  
Violaceae: Violets Viscaceae: Mistletoes. Characteristics

California Golden Violet
(Johnny-Jump-up), Viola pedunculata
Oak Yellow Violet,
Viola purpurea ssp. quercetorum
Shelton's Violet,
Viola sheltonii
Hairy (Oak) Mistletoe, Phoradendron serotinum ssp. tomentosum
Big-leaf (Sycamore) Mistletoe, Phoradendron serotinum ssp. macrophyllum
Vitaceae: Grapes   Zygophyllaceae: Caltrops

Southern California Wild Grape,
Vitis girdiana
* Common Grape Vine,
Vitis vinifera
 
* Caltrop,
Tribulus terrestris		  

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