Washington State Department of Ecology > Water & shorelines > Freshwater studies > Lake water quality > Aquatic Plant Guide home > Species Index
Aquatic Plant Identification Manual for Washington's Freshwater Plants
Plant Species Index
These plants are listed alphabetically by scientific names. Scroll to A - G | H - M | N - P | R - Z
- Alisma gramineum (narrowleaf water-plantain)
- Alisma triviale (American water plantain)
- Azolla mexicana (Mexican water fern)
- Brasenia schreberi (water-shield)
- Cabomba caroliniana (fanwort)
- Callitriche hermaphroditica (autumnal water-starwort)
- Callitriche heterophylla (different-leaved water-starwort)
- Callitriche stagnalis (pond water-starwort)
- Callitriche verna (spring water-starwort)
- Carex spp. (sedge)
- Ceratophyllum demersum (coontail)
- Chara spp. (muskgrasses)
- Dulichium arundinaceum (three-way sedge)
- Egeria densa (Brazilian elodea)
- Eichhornia crassipes (water hyacinth)
- Elatine triandra (mudwort)
- Eleocharis acidcularis (needle spike-rush)
- Eleocharis parvula (small spike-rush)
- Elodea canadensis (common waterweed)
- Elodea nuttallii (Nuttall’s waterweed)
- Equisetum fluviatile (water horsetail
- Fontinalis antipyretica (common water moss)
- Gratiola ebracteata (bractless hedge-hyssop)
- Gratiola neglecta (American hedge-hyssop)
- Heteranthera dubia (water star-grass)
- Hippuris vulgaris (common mares-tail)
- Hydrilla verticillata (hydrilla)
- Hydrocotyle ranunculoides (water pennywort)
- Isoetes spp. (quillworts)
- Juncus spp. (rush)
- Juncus supiniformis (spreading rush)
- Lemna minor (lesser duckweed)
- Lemna trisulca (star duckweed)
- Lilaea scilloides (flowering quillwort)
- Limosella acaulis (mat mudwort)
- Limosella aquatica (water mudwort)
- Lobelia dortmanna (water lobelia)
- Ludwigia hexapetala (water primrose)
- Ludwigia palustris (water purslane)
- Lysimachia thyrsiflora (tufted loosestife)
- Lysimachia vulgaris (garden loosestrife)
- Lythrum salicaria (purple loosestrife)
- Marsilea vestita (pepperwort)
- Megalodonta beckii (water marigold)
- Menyanthes trifoliata (buckbean)
- Myosotis laxa (small-flowered forget-me-not)
- Myosotis scorpiodes (common forget-me-not)
- Myriophyllum aquaticum (parrotfeather milfoil)
- 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)
- Nasturtium officinale (water cress)
- Nitella sp. (nitella)
- Nuphar polysepalum (spatterdock)
- Nymphaea odorata (fragrant waterlily)
- Nymphoides peltata (yellow floating-heart)
- Phalaris arundinacea (reed canarygrass)
- Polygonum amphibium (water smartweed)
- Polygonum hydropiperoides (waterpepper)
- Potamogeton alpinus (alpine pondweed)
- Potamogeton amplifolious (big-leaf pondweed)
- Potamogeton crispus (curly leaf pondweed)
- Potamogeton epihydrus (ribbonleaf pondweed)
- Potamogeton filiformis (slender-leaved pondweed)
- Potamogeton foliosus (leafy pondweed)
- Potamogeton friesii (flat-stalked pondweed)
- Potamogeton gramineus (grass-leaved pondweed)
- Potamogeton illinoensis (Illinois pondweed)
- Potamogeton natans (floating-leaved pondweed)
- Potamogeton nodosus (longleaf 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)
- Potentilla palustris (marsh cinquefoil)
- Ranunculus aquatilis (white water-buttercup)
- Riccia fluitans (slender riccia)
- Ricciocarpus natans (purple-fringed riccia)
- Ruppia cirrhosa (ditch-grass)
- Ruppia maritima (widgeongrass)
- Sagittaria cuneata (duck potato)
- Sagittaria latifolia (duck potato)
- Scirpus acutus (hardstem bulrush)
- Scirpus subterminalis (water bulrush)
- Scirpus tabernaemontani (softstem bulrush)
- Sparganium angustifolium(narrow leaf bur-reed)
- Sparganium eurycarpum (giant bur-reed)
- Sphagnum spp. (peat moss)
- Spirodela polyrrhiza (giant duckweed)
- Subularia aquatica (awlwort)
- Trapa natans (water chestnut)
- Utricularia inflata (swollen bladderwort
- Utricularia vulgaris (common bladderwort)
- Vallisneria americana (tapegrass)
- Wolffia spp. (watermeal)
- Wolffiella gladiata (mud midget)
- Zannichellia palustris (horned pondweed)