An On-line Version of an Aquatic Plant Identification Manual for Washington's Freshwater Plants

Submersed Plants  


Submersed Plant Icon
Submersed plants are usually found entirely underwater, but the flowers and fruits may rise above the water surface. Submersed species are rooted in the sediment and have underwater leaves. They can grow from shallow water to depths greater than ten meters in very clear water. 

Each submersed plant listed below is linked to a written description which is in turn linked to photographs and line drawings. 
Cabomba carolinina - Fanwort
Callitriche hermaphroditica - Autumnal Water-starwort
Callitriche heterophylla - Different-leaved Water-starwort
Callitriche stagnalis - Pond Water-starwort
Callitriche verna - Spring Water-starwort
Ceratophyllum demersum - Coontail
Egeria densa - Brazilian Elodea
Elodea canadensis - Common Waterweed
Elodea nuttallii - Nuttall's Waterweed
Heterantera dubia - Water Star-grass
Hydrilla verticillata - Hydrilla
Isoetes spp. - Quillworts 
Lilaea scilloides - Flowering Quillwort
Limosella acaulis - Mat Mudwort
Limosella aquatica - Water Mudwort
Lobelia dortmanna - Water Lobelia
Megalodonta beckii - Water Marigold
Myriophyllum hippuroides - Western Milfoil
Myriophyllum quitense - Andean Milfoil
Myriophyllum sibericum - Northern Milfoil
Myriophyllum spicatum - Eurasian Watermilfoil
Myriophyllum verticillatum - Whorled Milfoil 
Najas flexilis - Slender Water-nymph
Najas guadalupensis - Common Water-nymph
Potamogeton crispus - Curly Leaf Pondweed
Potamogeton filiformis - Slender-leaved Pondweed
Potamogeton friesii - Flat-stalked Pondweed
Potamogeton foliosus - Leafy Pondweed
Potamogeton obtusifolius - Blunt-leaved Pondweed
Potamogeton pectinatus - Sago Pondweed
Potamogeton praelongus - White-stemmed Pondweed
Potamogeton pusillus  - Small Pondweed
Potamogeton richardsonii - Richardson's Pondweed
Potamogeton robbinsii - Fern-leaf Pondweed
Potamogeton vaginatus - Sheathing Pondweed
Potamogeton zosteriformis - Flat-stem Pondweed
Ranunculus aquatilis - White Water-buttercup
Ruppia cirrhosa - Ditch-grass
Ruppia maritima - Wigeongrass
Scirpus subterminalis - Water Bulrush
Subularia aquatica - Awlwort
Utricularia inflata - Swollen Bladderwort
Utricularia vulgaris - Common Bladderwort
Vallisneria americana - Tapegrass
Zannichellia palustris - Horned Pondweed

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