Delta Region Areawide Aquatic Weed Project
Delta Region Areawide Aquatic Weed Project
Delta Region Areawide Aquatic Weed Project
University of California
Delta Region Areawide Aquatic Weed Project

Aquatic weeds

Alligatorweed
Alternanthera philoxeroides

Alligatorweed_fig2

Coontail
Ceratophyllum demersum

Coontail

Cabomba
Cabomba caroliniana

Cabomba

Eurasian watermilfoil
Myriophyllum spicatum

Eurasian watermilfoil

Brazilian egeria
Egeria densa

Curlyleaf pondweed
Potamogeton crispis

 

Giant reed
Arundo donax 

 

South American spongeplant
Limnobium laevigatum

 

Water hyacinth
Eichhornia crassipes

 

Waterprimroses
Ludwigia spp.

 

Other aquatic and emergent weeds

Alligatorweed

Alternanthera philoxeroides

 

American pondweed

Potamogeton nodosus

 

Brazilian egeria

Egeria densa

 

Bulrush

Scirpus acutus

 

Cattails

Typha spp.

 

Chara

Chara spp.

 

Common elodea

Elodea canadensis

 

Common reed

Phragmites australis

 

Coontail

Ceratophyllum demersum

 

Curlyleaf pondweed

Potamogeton crispus

 

Duckweed, duckmeat

Lemna, Spirodella, Wolffia

 

Egeria, Brazilian

Egeria densa

 

Elodea, common

Elodea canadensis

 

Eurasian watermilfoil

Myriophyllum spicatum

 

Fanwort

Cabomba caroliniana

 

Floating pennywort

Hydrocotyle ranunculoides

 

Floating pondweeds

 

 

Floatingheart, yellow

Nymphoides peltata

 

Floatingleaf pondweed

Potamogeton natans

 

Flowering rush

Butomus umbellatus

 

Fragrant waterlily

Nymphaea odorata

 

Frogbit, smooth

Limnobium laevigatum

 

Giant reed

Arundo donax

 

Giant salvinia

Salvinia molesta

 

Horned pondweed

Zannichellia palustris

 

Hydrilla

Hydrilla verticillata

 

Illinois pondweed

Potamogeton illinoensis

 

Iris, yellowflag

Iris pseudacorus

 

Leafy pondweed

Potamogeton foliosus

 

Mosquitofern

Azolla spp.

 

Naiads

Najas spp.

 

Nitella  

Nitella spp.

 

Oxygenweed

Lagorosiphon major

 

Parrotfeather

Myriophyllum aquaticum

 

Pennywort, floating

Hydrocotyle ranunculoides

 

Pondlily, yellow

Nuphar lutea

 

Pondweed, American

Potamogeton nodosus

 

Pondweed, curlyleaf

Potamogeton crispus

 

Pondweed, floatingleaf

Potamogeton natans

 

Pondweed, horned

Zannichellia palustris

 

Pondweed, Illinois

Potamogeton illinoensis

 

Pondweed, leafy

Potamogeton foliosus

 

Pondweed, Sago

Stuckenia pectinata

 

Pondweeds, floating

 

 

Pondweeds, submerged

 

 

Reed, common

Phragmites australis

 

Reed, giant

Arundo donax

 

Rush, flowering

Butomus umbellatus

 

Sago pondweed

Stuckenia pectinata

 

Salvinia, giant

Salvinia molesta

 

Smooth frogbit

Limnobium laevigatum

 

Speedwell, water

Veronica anagallis-aquatica

 

Submerged pondweeds

 

 

Tule

Scirpus acutus

 

Water speedwell

Veronica anagallis-aquatica

 

Waterchestnut

Trapa natans

 

Waterhyacinth

Eichornia crassipes

 

Waterlily, fragrant

Nymphaea odorata

 

Watermeals

Lemna, Spirodella, Wolffia

 

Watermilfoil, Eurasian

Myriophyllum spicatum

 

Waterprimroses

Ludwigia spp.

 

Watershield

Brasenia schreberi

 

Yellow floatingheart

Nymphoides peltata

 

Yellow pondlily

Nuphar lutea

 

Yellowflag iris

Iris pseudacorus

 

 

 

 


     
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