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July 2018
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PLANT SPECIES
 
Catalina Island is home to more than 400 native plants, and 200 non-native plants. This is a guide to the most commonly seen plant species. This is not a list of all plant species on the island.

While many of Catalina Island's native plants are also found on mainland California, there are a number of unique species that either occur only on Catalina Island (seven endemic species) or occur on two or more of Southern and Baja California's offshore islands but not on the mainland (twenty six Island endemic species).

Thanks to past and present staff for the photos used. 

Acknowledgements and Disclaimer 
Sort by: Common Name Scientific Name Color
1
Catalina Island mountain-mahogany   Cercocarpus traskiae   1
Island rush-rose   Crocanthemum greenei   1
Lyon???_??s pentachaeta   Pentachaeta lyonii   1
Santa Cruz Island rockcress   Sibara filifolia   1
B
Maritime larkspur   Delphinium parryi subsp. maritimum   Blue
Blue dicks   Dichelostemma capitatum   Blue
Dunn's lobelia   Lobelia dunnii var. serrata   Blue
Lyon???_??s phacelia   Phacelia lyonii   Blue
Western blue-eyed-grass   Sisyrinchium bellum   Blue
Gum trees   Eucalyptus spp.   Brown
F
California maidenhair   Adiantum jordanii   Fern
Wood fern   Dryopteris arguta   Fern
N
Scaly tree fern   Sphaeropteris cooperi   No visible color, very small flower
Dune bent grass   Agrostis pallens   No visible color, very small flower
Nodding needle grass   Stipa cernua   No visible color, very small flower
Foothill needle grass   Stipa lepida   No visible color, very small flower
Beach bur-sage   Ambrosia chamissonis   No visible color, very small flower
Smilo grass   Stipa miliacea var. miliacea   No visible color, very small flower
Purple needle grass   Stipa pulchra   No visible color, very small flower
Everlasting neststraw   Stylocline gnaphaloides   No visible color, very small flower
Woolly seablite   Suaeda taxifolia   No visible color, very small flower
California sagebrush   Artemisia californica   No visible color, very small flower
Mugwort   Artemisia douglasiana   No visible color, very small flower
Pickleweed   Arthrocnemum subterminale   No visible color, very small flower
Coulter???_??s saltbush   Atriplex coulteri   No visible color, very small flower
Beach saltbush   Atriplex leucophylla   No visible color, very small flower
Australian saltbush   Atriplex semibaccata   No visible color, very small flower
Southern cattail   Typha domingensis   No visible color, very small flower
Slender wild oat   Avena barbata   No visible color, very small flower
Broad-leaved cattail   Typha latifolia   No visible color, very small flower
Hoary nettle   Urtica gracilis subsp. holosericea   No visible color, very small flower
Sea beet   Beta vulgaris subsp. maritima   No visible color, very small flower
Saltmarsh bulrush   Bolboschoenus maritimus subsp. paludosus   No visible color, very small flower
California fan palm   Washingtonia robusta   No visible color, very small flower
Spiny cocklebur   Xanthium spinosum   No visible color, very small flower
Cocklebur   Xanthium strumarium   No visible color, very small flower
Ripgut brome   Bromus diandrus   No visible color, very small flower
Red brome   Bromus madritensis subsp. rubens   No visible color, very small flower
Shepherd???_??s purse   Capsella bursa-pastoris   No visible color, very small flower
Trigonous sedge   Carex triquetra   No visible color, very small flower
Island mountain-mahogany   Cercocarpus betuloides var. blancheae   No visible color, very small flower
California goosefoot   Chenopodium californicum   No visible color, very small flower
Nettle-leaf goosefoot   Chenopodium murale   No visible color, very small flower
Miner???_??s lettuce   Claytonia perfoliata subsp. mexicana   No visible color, very small flower
Turkey-mullein   Croton setiger   No visible color, very small flower
Bermuda grass   Cynodon dactylon   No visible color, very small flower
Western dichondra   Dichondra occidentalis   No visible color, very small flower
Salt grass   Distichlis spicata   No visible color, very small flower
Giant wild-rye   Elymus condensatus   No visible color, very small flower
Smooth scouring rush   Equisetum laevigatum   No visible color, very small flower
Giant horsetail   Equisetum telmateia subsp. braunii   No visible color, very small flower
Petty spurge   Euphorbia peplus   No visible color, very small flower
California orach   Extriplex californica   No visible color, very small flower
Rattail sixweeks grass   Festuca myuros   No visible color, very small flower
Edible fig   Ficus carica   No visible color, very small flower
Narrowly leaved bedstraw   Galium angustifolium subsp. angustifolium   No visible color, very small flower
Goose grass   Galium aparine   No visible color, very small flower
Santa Catalina Island bedstraw   Galium catalinense subsp. catalinense   No visible color, very small flower
Nuttall???_??s island bedstraw   Galium nuttallii subsp. insulare   No visible color, very small flower
Bobtail barley   Hordeum intercedens   No visible color, very small flower
Smooth barley   Hordeum murinum subsp. glaucum   No visible color, very small flower
Southwestern spiny rush   Juncus acutus subsp. leopoldii   No visible color, very small flower
Goldentop   Lamarckia aurea   No visible color, very small flower
Shining peppergrass   Lepidium nitidum   No visible color, very small flower
California cottonrose   Logfia filaginoides   No visible color, very small flower
Little California melica   Melica imperfecta   No visible color, very small flower
California adder???_??s-tongue   Ophioglossum californicum   No visible color, very small flower
Pellitory   Parietaria hespera var. hespera   No visible color, very small flower
Coffee fern   Pellaea andromedifolia   No visible color, very small flower
Goldback fern   Pentagramma triangularis subsp. triangularis   No visible color, very small flower
Silverback fern   Pentagramma triangularis subsp. viscosa   No visible color, very small flower
Harding grass   Phalaris aquatica   No visible color, very small flower
Canary Island palm   Phoenix canariensis   No visible color, very small flower
Canary Island pine   Pinus canariensis   No visible color, very small flower
Aleppo pine   Pinus halepensis   No visible color, very small flower
Chaparral rein-orchid   Piperia cooperi   No visible color, very small flower
Rattail plantain   Plantago coronopus   No visible color, very small flower
California plantain   Plantago erecta   No visible color, very small flower
One-sided blue grass   Poa secunda subsp. secunda   No visible color, very small flower
California dissanthelium   Poa thomasii   No visible color, very small flower
Common knotweed   Polygonum aviculare subsp. depressum   No visible color, very small flower
California polypody   Polypodium californicum   No visible color, very small flower
Ditch beard grass   Polypogon interruptus   No visible color, very small flower
Black cottonwood   Populus trichocarpa   No visible color, very small flower
Woodland threadstem   Pterostegia drymarioides   No visible color, very small flower
Macdonald oak   Quercus _macdonaldii   No visible color, very small flower
Island scrub oak   Quercus pacifica   No visible color, very small flower
Island oak   Quercus tomentella   No visible color, very small flower
Island redberry   Rhamnus pirifolia   No visible color, very small flower
Curly dock   Rumex crispus   No visible color, very small flower
Santa Catalina figwort   Scrophularia villosa   No visible color, very small flower
Bigelow's spike-moss   Selaginella bigelovii   No visible color, very small flower
O
California poppy   Eschscholzia californica   Orange
Fire poppy   Papaver californicum   Orange
Scarlet pimpernel   Lysimachia arvensis   Orange/blue
P
Red sand-verbena   Abronia maritima   Pink
Boccone's sand-spurrey   Spergularia bocconi   Pink
Sticky sand-spurrey   Spergularia macrotheca var. macrotheca   Pink
Creeping snowberry   Symphoricarpos mollis   Pink
Saltcedar   Tamarix ramosissima   Pink
Salsify   Tragopogon porrifolius   Pink
Pinpoint clover   Trifolium gracilentum   Pink
Small-head clover   Trifolium microcephalum   Pink
Tomcat clover   Trifolium willdenovii   Pink
California centaury   Zeltnera venusta   Pink
Red maids   Calandrinia menziesii   Pink
Sea fig   Carpobrotus chilensis   Pink
Turkish rugging   Chorizanthe staticoides   Pink
Redstem filaree   Erodium cicutarium   Pink
Greenstem filaree   Erodium moschatum   Pink
Alkali heath   Frankenia salina   Pink
True baby stars   Leptosiphon bicolor   Pink
Hairy honeysuckle   Lonicera hispidula   Pink
Santa Catalina Island bush-mallow   Malacothamnus fasciculatus var. catalinensis   Pink
Malva rosa   Malva assurgentiflora subsp. glabra   Pink
Saltmarsh fleabane   Pluchea odorata var. odorata   Pink
Sugar bush   Rhus ovata   Pink
California rose   Rosa californica   Pink
Sleepy catchfly   Silene antirrhina   Pink
Windmill pink   Silene gallica   Pink
Narrow-leaf milkweed   Asclepias fascicularis   Pink/white
Wallace???_??s nightshade   Solanum wallacei   Purple
Perezia   Acourtia microcephala   Purple
Nuttall???_??s snapdragon   Antirrhinum nuttallianum subsp. subsessile   Purple
Vinegar weed   Trichostema lanceolatum   Purple
Venus looking-glass   Triodanis biflora   Purple
Slender vetch   Vicia hassei   Purple
Deerpea vetch   Vicia ludoviciana subsp. ludoviciana   Purple
Greater periwinkle   Vinca major   Purple
Chaparral cluster-lily   Brodiaea jolonensis   Purple
Purple owl's-clover   Castilleja exserta   Purple
Cobwebby thistle   Cirsium occidentale var. occidentale   Purple
Bull thistle   Cirsium vulgare   Purple
Seaside cistanthe   Cistanthe maritima   Purple
Wine cup clarkia   Clarkia purpurea subsp. quadrivulnera   Purple
Trask???_??s yerba santa   Eriodictyon traskiae subsp. traskiae   Purple
Nevin's gilia   Gilia nevinii   Purple
Fragrant pitcher sage   Lepechinia fragrans   Purple
Ground pink   Linanthus dianthiflorus   Purple
Silver bush lupine   Lupinus albifrons var. albifrons   Purple
Miniature lupine   Lupinus bicolor   Purple
Bajada lupine   Lupinus concinnus   Purple
Stinging lupine   Lupinus hirsutissimus   Purple
Arroyo lupine   Lupinus succulentus   Purple
Truncate lupine   Lupinus truncatus   Purple
Santa Catalina Island desert-thorn   Lycium brevipes var. hassei   Purple
Wishbone bush   Mirabilis laevis var. crassifolia   Purple
Blue toadflax   Nuttallanthus texanus   Purple
Caterpillar phacelia   Phacelia cicutaria var. hispida   Purple
White fiesta flower   Pholistoma racemosum   Purple
Milk thistle   Silybum marianum   Purple
Wild onion   Allium praecox   Purple/white
Cud-weed aster   Corethrogyne filaginifolia   Purple/white
Island shooting star   Primula clevelandii var. insularis   Purple/white
Radish   Raphanus sativus   Purple/white/yellow/pink
R
Aphanisma   Aphanisma blitoides   Red
Indian paintbrush   Castilleja affinis subsp. affinis   Red
Woolly paintbrush   Castilleja foliolosa   Red
Coast cholla   Cylindropuntia prolifera   Red
California fuchsia   Epilobium canum subsp. canum   Red
Island buckwheat   Eriogonum grande var. grande   Red
Showy island snapdragon   Gambelia speciosa   Red
Heart-leaved penstemon   Keckiella cordifolia   Red
Scarlet monkeyflower   Mimulus cardinalis   Red
Santa Catalina Island currant   Ribes viburnifolium   Red
Castor bean   Ricinus communis   Red
Red bush monkeyflower   Mimulus aurantiacus   Red/orange
Red valerian   Centranthus ruber   Red/pink
Wine red wild sweetpea   Lathyrus vestitus var. alefeldii   Red/purple
W
Yarrow   Achillea millefolium   White
Chamise   Adenostoma fasciculatum   White
Common chickweed   Stellaria media   White
Mayweed   Anthemis cotula   White
Wild celery   Apiastrum angustifolium   White
Santa Catalina Island manzanita   Arctostaphylos catalinae   White
Fringepod   Thysanocarpus laciniatus   White
Knotted hedge-parsley   Torilis arvensis   White
Poison oak   Toxicodendron diversilobum   White
Bridal creeper   Asparagus asparagoides   White
Coyote brush   Baccharis pilularis subsp. consanguinea   White
Mule fat   Baccharis salicifolia subsp. salicifolia   White
Bowlesia   Bowlesia incana   White
Mission manzanita   Xylococcus bicolor   White
Catalina mariposa lily   Calochortus catalinae   White
Morning-glory   Calystegia macrostegia subsp. macrostegia   White
Milk maids   Cardamine californica   White
Feltleaf ceanothus   Ceanothus arboreus   White
Island ceanothus   Ceanothus megacarpus var. insularis   White
Big-pod ceanothus   Ceanothus megacarpus var. megacarpus   White
Soap plant   Chlorogalum pomeridianum   White
Willow-herb clarkia   Clarkia epilobioides   White
Western virgin's bower   Clematis ligusticifolia   White
Summer holly   Comarostaphylis diversifolia subsp. planifolia   White
Pampas grass   Cortaderia selloana   White
Alkali weed   Cressa truxillensis   White
Catalina crossosoma   Crossosoma californicum   White
White forgive-me-not   Cryptantha intermedia   White
Wiggins' cryptantha   Cryptantha wigginsii   White
Jimson weed   Datura wrightii   White
Rattlesnake weed   Daucus pusillus   White
Flax-leaved fleabane   Erigeron bonariensis   White
St. Catherine's lace   Eriogonum giganteum var. giganteum   White
Chaparral gilia   Gilia angelensis   White
Palmer's grapplinghook   Harpagonella palmeri   White
Alkali heliotrope   Heliotropium curassavicum var. oculatum   White
Toyon   Heteromeles arbutifolia   White
Oceanspray   Holodiscus discolor var. discolor   White
Island jepsonia   Jepsonia malvifolia   White
California box-thorn   Lycium californicum   White
Santa Catalina Island ironwood   Lyonothamnus floribundus subsp. floribundus   White
Cliff aster   Malacothrix saxatilis var. tenuifolia   White
Laurel sumac   Malosma laurina   White
Wild cucumber   Marah macrocarpa   White
Horehound   Marrubium vulgare   White
Crystalline iceplant   Mesembryanthemum crystallinum   White
Slender-leaved iceplant   Mesembryanthemum nodiflorum   White
Santa Catalina Island monkeyflower   Mimulus traskiae   White
Water cress   Nasturtium officinale   White
Narrow-toothed pectocarya   Pectocarya linearis subsp. ferocula   White
Emory???_??s rock daisy   Perityle emoryi   White
Mock orange   Pittosporum undulatum   White
Popcorn flower   Plagiobothrys canescens   White
Catalina cherry   Prunus ilicifolia subsp. lyonii   White
Two-tone everlasting   Pseudognaphalium biolettii   White
California everlasting   Pseudognaphalium californicum   White
California chicory   Rafinesquia californica   White
Lemonade berry   Rhus integrifolia   White
Coulter's matilija poppy   Romneya coulteri   White
California blackberry   Rubus ursinus   White
Arroyo willow   Salix lasiolepis   White
Russian thistle   Salsola australis   White
White sage   Salvia apiana   White
Black sage   Salvia mellifera   White
Peruvian pepper tree   Schinus molle   White
White Douglas???_?? nightshade   Solanum douglasii   White
Small-flowered morning-glory   Convolvulus simulans   White/pink
Wand chicory   Stephanomeria virgata subsp. virgata   White/purple
Sea rocket   Cakile maritima   White/purple
Cheeseweed   Malva parviflora   White/purple
Cliff spurge   Euphorbia misera   White/red
Weedy cudweed   Pseudognaphalium luteoalbum   White/yellow
Y
California goldenrod   Solidago velutina subsp. californica   Yellow
Prickly sow thistle   Sonchus asper subsp. asper   Yellow
Common sow thistle   Sonchus oleraceus   Yellow
Island broom   Acmispon dendroideus var. dendroideus   Yellow
Spanish broom   Spartium junceum   Yellow
Coastal lotus   Acmispon maritimus var. maritimus   Yellow
Common fiddleneck   Amsinckia intermedia   Yellow
Rattleweed   Astragalus trichopodus var. lonchus   Yellow
Silverpuffs   Uropappus lindleyi   Yellow
Velvet cactus   Bergerocactus emoryi   Yellow
Common goldenstar   Bloomeria crocea   Yellow
Johnny-jump-up   Viola pedunculata   Yellow
Black mustard   Brassica nigra   Yellow
California brickellbush   Brickellia californica   Yellow
Tocalote   Centaurea melitensis   Yellow
Nevin's woolly sunflower   Constancea nevinii   Yellow
Brass-buttons   Cotula coronopifolia   Yellow
Peak rush-rose   Crocanthemum scoparium   Yellow
Island tarplant   Deinandra clementina   Yellow
Common tarplant   Deinandra fasciculata   Yellow
Channel island tree poppy   Dendromecon harfordii   Yellow
Catalina liveforever   Dudleya virens subsp. hassei   Yellow
Island green dudleya   Dudleya virens subsp. insularis   Yellow
Bush sunflower   Encelia californica   Yellow
Palmer???_??s goldenbush   Ericameria palmeri var. pachylepis   Yellow
Golden-yarrow   Eriophyllum confertiflorum var. confertiflorum   Yellow
Island poppy   Eschscholzia ramosa   Yellow
Fennel   Foeniculum vulgare   Yellow
Dyer???_??s greenwold   Genista linifolia   Yellow
Saw-toothed goldenbush   Hazardia squarrosa var. grindelioides   Yellow
Telegraph weed   Heterotheca grandiflora   Yellow
Shortpod mustard   Hirschfeldia incana   Yellow
Smooth cat???_??s-ear   Hypochaeris glabra   Yellow
Menzies coast goldenbush   Isocoma menziesii var. menziesii   Yellow
Common goldfields   Lasthenia gracilis   Yellow
Tidy-tips   Layia platyglossa   Yellow
Giant coreopsis   Leptosyne gigantea   Yellow
Threadstem tarweed   Madia exigua   Yellow
Gumweed   Madia gracilis   Yellow
Pineapple weed   Matricaria discoidea   Yellow
California burclover   Medicago polymorpha   Yellow
Sourclover   Melilotus indicus   Yellow
Creek monkeyflower   Mimulus guttatus   Yellow
Tree tobacco   Nicotiana glauca   Yellow
Mission prickly-pear   Opuntia ficus-indica   Yellow
Short-lobed broomrape   Orobanche bulbosa   Yellow
Bermuda buttercup   Oxalis pes-caprae   Yellow
Bladderpod   Peritoma arborea var. globosa   Yellow
Blue elderberry   Sambucus nigra subsp. caerulea   Yellow
Sanicle   Sanicula arguta   Yellow
Pacific sanicle   Sanicula crassicaulis   Yellow
Silver clover   Acmispon argophyllus var. argenteus   Yellow/orange
Large-flowered lotus   Acmispon grandiflorus var. grandiflorus   Yellow/orange
Coastal prickly pear   Opuntia littoralis   Yellow/orange
 

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