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Introduced Species In the Sacramento-San Joaquin Delta
Common Name Scientific Name
Barnyard grass Echinochloa crusgalli
Asparagus Asparagus officinalis
Water hyacinth Eichhornia crassipes
Oats Avena spp.
Ripgut grass Bromus diandrus
Pampas grass Cortaderia selloana, C. jubata
Bermuda grass Cynodon dactylon
Fescue Festuca spp.
Foxtail Hordeum stebbinsi
Barley Hordeum vulgare
Italian wildrye Lolium multiflorum
Knot grass Paspalum dilatatum
Canary grass Phalaris canariensis
Rabbitfoot grass Polypogon monspeliensis
Johnson grass Sorghum halpense
Milo Sorghum vulgare
Corn Zea mays
Pond weed Potamogeton sp.
Silver maple Acer saccharinum
California pepper Schinus molle
Poison hemlock Conium maculatum
Fennel Poeniculum vulgare
Oleander Nerium oleander
Periwinkle Vinca major
Horseweed Conyza canadensis
Common brass buttons Cotula coronopifolia
Cardoon Cynara cardunculus
Horseweed Erigeron canadensis
Prickly lettuce Lactuca serriola
Bristly oxtonque Picris echiodes
Milk thistle Silybum marianum
Sow thistle Sonchus spp.
Cocklebur Xanthium strumarium var. canadense
Mustard Brassica geniculata
Common yellow mustard Brassica campestris
Perennial peppergrass Lepidium latifolium
Wild radish Raphanus sativus
Australian saltbush Atriplex semibaccata
Mexican tea Chenopodium ambrosioides
Russian thistle Salsola kali
Field bindweed Convolvulus arvensis
Hedge bindweed Convolvulus sepium
Wild radish Raphamus sativus
Acacia Acacia sp.
Lotus Lotus uliginosus
White sweet clover Melilotus albus
Yellow sweet clover Melilotus indicus
Black locust Robinia pseudoacacia
Spanish broom Spartium junceum
Broad leaf filaree Erodium botrys
Parrot's feather Myriophyllum brasiliense
English walnut Juglans regia
Henbit Lamium spp.
Horehound Marrubium vulgare
Velvet leaf Arbutilon theophrasti
Hemp Cannabis sativa
Bottlebrush Callistemon spp.
Eucalyptus Eucalyptus spp.
Buckhorn plantain Plantago lanceolata
Common knotweed Polygonum aviculare
Water smartweed Polygonum amphibium
Curly dock Rumex crispus
Almond Prunus amygdalus
Himalaya-berry Rubus procerus
Weeping willow Salix babylonica
Common mullein Verbascum thapsus
Jimson weed Datura stramonium
Chinese elm Ulmus parviflora
Mat grass Lippia nodiflora
Puncture vine Tribulus terrestris
Hydra Cladonama uchidi
Amphipod Corophium alienense Caprella mutica
Isopod Dynoides dentisinus Ianiropsis serricaudis Cirolana arcuata
Cumace Hemileucon hinumensis
Copepod Oithona davisae Sinocalanus doerrii Limnocalanus sinensis Pseudodiaptomus marinus and P. forebesi
Bivalve Potamocorbula amurensis Theora fragilis
Other Clams
Asiatic clam Corbicula fluminea
Japanese cockle Tapes Japonica
Gem clam Gemma gemma
Grass shrimp Palaemon macrodactylus
Crayfish Pacifastacus leniucculus
Crayfish Procambarus clarkii
Mud crab Rhithropanopeus harrisi
Bullfrog Rana catesbeiana
Fish
Threadfin shad Dorosoma petenense
American shad Alosa sapidissima
Brown trout (sea-run) Salmo trutta
Golden shiner Notemigonus crysoleucas
Fathead minnow Pimephales promelas
Goldfish Carassius auratus
Carp Cyprinus carpio
Black bullhead Ictalurus melas
Brown bullhead Ictalurus nebulosus
Yellow bullhead Ictalurus natalis
White catfish Ictalurus catus
Channel catfish Ictalurus punctatus
Blue catfish Ictalurus furcatus
Rainwater killifish Lucania parva
Mosquito fish Gambusia affinis
Inland silverside Menidia audena
Threespine stickleback Gasterosteus aculaetus
Striped bass Morone saxatilis
Bluegill Lepomis macrochirus
Green sunfish Lepomis cyanellus
Redear sunfish Lepomis microlophus
Warmouth Lepomis gulosus
White crappie Pomoxis annularis
Black crappie Pomoxis nigromaculatus
Largemouth bass Micropterus salmoides
Small mouth bass Micropterus dolomieui
Bigscale logperch Percina macrolepida
Yellow perch Perca flavescens
Yellowfin goby Acanthogobius flavimanus
Chameleon goby Tridentiger trigonocephalus
Birds
Ring-necked pheasant Phasianus colchicus
Rock dove Columba livia
European starling Sturnus vulgaris
Mammals
Virginia opossum Didelphis virginiana
Muskrat Ondatra zibethicus
Black rat (roof rat) Rattus rattus
Norway rat Rattus norvegicus
House mouse Mus musculus
Feral cats and dogs Felis domesticus, Canis domesticus