Channel Islands Restoration
A 501(c)(3) Nonprofit Organization
P.O. Box 91414 Santa Barbara, CA 93190
(805) 448-5726

Email: Islands@rain.org

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Channel Islands Restoration has experience with control
of the following non-native plant species:

 
Botanic Name Common Name Method Locations
Acacia longifolia golden wattle Cut and stump treat Coal Oil Point Reserve
Acacia melanoxylon blackwood acacia Cut and stump treat Santa Cruz Island
Albizia lophantha plume acacia Cut and stump treat/hand removal Santa Cruz Island
Anagallis arvensis scarlet pimpernel Hand-removal Various
Apium graveolens celery Hand-removal Santa Cruz Island
Arundo donax giant reed Foliar application/cut and stump treat Mainland Creeks/Santa Cruz Island
Asphodelus fistulosus onion weed Foliar treatment/solarization Coal Oil Point Reserve
Atriplex semibaccata Australian saltbush Hand-removal Santa Cruz Island
Brassica nigra black mustard Hand-removal Santa Cruz Island
Carduus pycnocephalus Italian thistle Foliar application/hand-removal Santa Cruz Island/various mainland locations
Carpobrotus species ice plant Solarization/hand-removal Coal Oil Point Reserve/Santa Cruz Island
Centaurea melitensis tocalote Foliar application Coal Oil Point Reserve/Santa Cruz Island
Centaurea solstitialis yellow star-thistle Foliar application Santa Cruz Island
Centranthus ruber red valerian Foliar application/hand removal Santa Cruz Island
Cirsium ochrocentrum yellowspine thistle Foliar application Santa Rosa Island
Cirsium vulgare bull thistle Hand-removal Santa Cruz Island/San Miguel Island
Conium maculatum poison hemlock Hand-removal/foliar application Santa Cruz Island/Goleta Slough
Convolvulus arvensis bindweed Foliar application Santa Cruz Island
Conyza canadensis horseweed hand-removal Coal Oil Point Reserve
Cortaderia selloana pampas grass Foliar application/hand-removal Santa Cruz Island, Elings Park, Coal Oil Point Reserve.
Delairea odorata Cape-ivy/German-ivy Foliar application/hand-removal Anacapa Island/Coal Oil Point Reserve/Arroyo Hondo Preserve/Carpinteria Creek
Ehrharta species veldt grass Foliar application Coal Oil Point Reserve/Santa Cruz Island
Erechtites glomerata Australasian fireweed Hand-removal Santa Cruz Island/San Miguel Island
Eucalyptus camaldulensis river red gum Cut and stump treat Santa Cruz Island
Eucalyptus globulus blue gum Cut and stump treat/hand-removal Santa Cruz Island/Coal Oil Point Reserve
Eucalyptus sideroxylon red iron bark Cut and stump treat Santa Cruz Island
Foeniculum vulgare sweet fennel Foliar application/hand-removal Santa Cruz Island
Galium aparine   Hand-removal Various locations
Gaura drummondii gaura Foliar application Santa Rosa Island
Geranium dissectum cutleaf geranium Foliar application Santa Rosa Island
Hedera canariensis Algerian ivy Foliar application/hand-removal Santa Cruz Island/Carpinteria Creek
Hirschfeldia incana short-podded mustard Hand-removal/foliar application Santa Cruz Island
Lepidium draba hoary cress Foliar application Santa Cruz Island
Marrubium vulgare horehound Hand-removal Santa Cruz Island
Medicago polymorpha bur-clover Hand-removal/foliar application Various mainland locations
Melilotus albus white sweet-clover Hand-removal/foliar application Santa Cruz Island
Melilotus indicus yellow sweet-clover Hand-removal/foliar application Santa Cruz Island
Mesembryanthemum Species iceplant Hand-removal Santa Cruz Island
Nicotiana glauca tree tobacco Hand-removal Santa Cruz Island
Olea europaea olive Hand-removal/cut and stump treat Santa Cruz Island
Oxalis pes-caprae Bermuda buttercup Foliar application Various mainland locations
Pelargonium X hortorum geranium Hand-removal Santa Cruz Island
Pennisetum clandestinum kikuyu grass Foliar application Santa Cruz Island
Phalaris aquatica Harding grass Foliar application/hand-removal Santa Cruz Island/Carpinteria Creek
Picris echioides bristly ox-tongue Hand-removal/solarization Coal Oil Point Reserve/Santa Cruz Island
Pinus pinea Italian stone pine Cut/injection Santa Cruz Island
Piptatherum miliaceum smilo grass; rice grass Hand-removal/foliar application Santa Cruz Island/various
Plantago species English Hand-removal/solarization/foliar application Various locations
Raphanus sativus wild radish Hand-removal/solarization/foliar application Various locations
Robinia pseudoacacia black locust Cut and stump treatment Santa Cruz Island
Rumex crispus curly dock Hand-removal Coal Oil Point Reserve/Santa Cruz Island
Salsola tragus Russian-thistle; tumbleweed Hand-removal Various locations
Schinus molle Peruvian pepper tree Cut and stump treatment Coal Oil Point Reserve/Santa Cruz Island
Silybum marianum milk thistle Hand-removal/foliar application Various locations
Sisymbrium officinale hedge mustard Hand-removal Santa Cruz Island
Solanum elaeagnifolium silver-leaved horse nettle Foliar application Santa Rosa Island/Santa Cruz Island
Sonchus species sow-thistle Hand-removal/solarization/foliar application Various locations
Tamarix ramosissima tamarisk Cut and stump treatment/hand-removal Coal Oil Point Reserve/Santa Cruz Island
Tetragonia tetragonioides New Zealand spinach Hand-removal Coal Oil Point Reserve
Torilis nodosa knotted hedge-parsley Hand-removal Various locations
Tragopogon porrifolius salsify; oyster plant Hand-removal Coal Oil Point Reserve
Ulmus x hollandica Dutch elm Cut and stump treatment Santa Cruz Island
Verbascum thapsus common mullein Hand-removal Santa Cruz Island
Vicia species vetch Hand-removal Various locations
Xanthium spinosum cocklebur Hand-removal Various locations