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Invasive Plants of Santa Catalina Island, California, USA

This is a comprehensive list of common invasive exotic plants found on Santa Catalina Island, California, USA.

All 76

Tasmanian Blackwood ¹
Acacia melanoxylon

Onion-Leafed Asphodel ²
Asphodelus fistulosus

Cape Smilax ³
Asparagus asparagoides

Giant Reed ⁴
Arundo donax

Australian saltbush ⁵
Atriplex semibaccata

tree of heaven ⁶
Ailanthus altissima

Baby Sun-rose ⁷
Aptenia cordifolia

field mustard ⁸
Brassica rapa

Tara ⁹
Caesalpinia spinosa

European Searocket ¹⁰
Cakile maritima

Italian thistle ¹¹
Carduus pycnocephalus

Sea Fig ¹²
Carpobrotus chilensis

Red Valerian ¹³
Centranthus ruber

bull thistle ¹⁴
Cirsium vulgare

Pampas Grass ¹⁵
Cortaderia selloana

Black Mustard ¹⁶
Brassica nigra

Cornflower ¹⁷
Centaurea cyanus

Cotoneaster ¹⁸

Sea-Fig ¹⁹
Carpobrotus edulis

Orchard Grass ¹⁶
Dactylis glomerata

Artichoke Thistle ²⁰
Cynara cardunculus

California buckwheat ²¹
Eriogonum fasciculatum

Yellow Starthistle ²²
Centaurea solstitialis

Cape ivy ²³
Delairea odorata

Eucalyptus ²⁴

Flax-Leaved Broom ²⁵
Genista linifolia

perennial veldt grass ²⁶
Ehrharta calycina

French Broom ²⁷
Genista monspessulana

English ivy ²⁸
Hedera helix

Euphorbia regis-jubae ²⁹

Common Fig ³⁰
Ficus carica

Sweet Fennel ³¹
Foeniculum vulgare

Tangier Pea ³²
Lathyrus tingitanus

Sweet broom ³³
Genista stenopetala

Shortpod Mustard ³⁴
Hirschfeldia incana

Santa Cruz Island ironwood ³⁵
Lyonothamnus floribundus aspleniifolius

Sweet pea ³⁶
Lathyrus odoratus

Blue Statice ³⁷
Limonium sinuatum

Broad-leaved Everlasting-pea ³⁸
Lathyrus latifolius

Ngaio
Myoporum laetum

Mission Prickly-Pear ³⁹
Opuntia ficus-indica

Crystalline Ice Plant ⁴⁰
Mesembryanthemum crystallinum

white horehound ¹
Marrubium vulgare

Slender Iceplant ⁴¹
Mesembryanthemum nodiflorum

garden geranium ⁴²
Pelargonium × hortorum

Fountain Grass ⁴³
Pennisetum setaceum

tree tobacco ⁴⁴
Nicotiana glauca

Canary Island palm ⁴⁵
Phoenix canariensis

Knobcone Pine ³²
Pinus attenuata

Bermuda Buttercup ⁴⁶
Oxalis pes-caprae

Canary Island pine ⁴⁷
Pinus canariensis

Coulter pine ⁴⁸
Pinus coulteri

harding grass ⁴⁹
Phalaris aquatica

Bishop Pine ⁵⁰
Pinus muricata

Date Palm ⁵¹
Phoenix dactylifera

Monterey Pine ⁵²
Pinus radiata

Victorian Box ⁵³
Pittosporum undulatum

Aleppo Pine ⁵⁴
Pinus halepensis

stone pine ⁵⁵
Pinus pinea

Peruvian peppertree ⁵⁶
Schinus molle

Santa Rosa Island torrey pine ⁵⁷
Pinus torreyana insularis

Prickly Russian Thistle ⁵⁸
Salsola tragus

Himalayan Blackberry ¹¹
Rubus armeniacus

Castor Oil Plant ⁵⁹
Ricinus communis

African Wild Cassia ⁶⁰
Senna didymobotrya

Milk Thistle ⁶¹
Silybum marianum

Australian Tree Fern ⁶²
Cyathea cooperi

New Zealand Spinach ⁶³
Tetragonia tetragonoides

saltcedar ⁶⁴
Tamarix ramosissima

Salsify ³²
Tragopogon porrifolius

Mexican Fan Palm ⁶⁵
Washingtonia robusta

Greater Periwinkle ⁶⁶
Vinca major

California Fan Palm ⁸
Washingtonia filifera

Spanish Broom ⁶⁷
Spartium junceum

Mexican Feather Grass ⁶⁸
Stipa tenuissima

yuccas
Yucca

Edited by Benjamin J. Dion, Catalina Habitat Improvement and Restoration Program, and Jujuba719, some rights reserved (CC BY-ND)

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