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

 

Plant Species Index

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 (Nuttallís 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 (Richardsonís 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)


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