Freshwater Plants in the Southeastern United States - A Recognition Guide for 133 Plants

Plants Within the Recognition Guide Listed Alphabetically:

    FLOATING PLANTS:

    Azolla caroliniana
    Carolina mosquito fern

    Brasenia schreberi
    water shield

    Landoltia punctata
    dotted duckweed

    Lemna valdiviana
    small duckweed

    Spirodela polyrhiza
    giant duckweed

    Wolffia columbiana
    Columbian watermeal

    Wolffiella floridana
    Florida mudmidget

    Eichhornia crassipes
    water-hyacinth

    Hydrocotyle umbellata
    many flowered marsh pennywort

    Limnobium spongia
    frog's-bit

    Marsilea mutica
    water clover

    Nelumbo lutea
    American lotus

    Nuphar advena
    spatterdock, cow-lily

    Nymphaea mexicana
    yellow water-lily

    Nymphaea odorata
    fragrant water-lily

    Nymphoides aquatica
    banana lily

    Nymphoides cordata
    little floating heart

    Nymphoides cristata
    crested floating heart

    Nymphoides indica
    water snowflake

    Pistia stratiotes
    water-lettuce

    Potamogeton diversifolius
    Illinois pondweed

    Potamogeton nodosus
    longleaf pondweed

    Salvinia minima
    common salvinia

    Salvinia molesta
    giant salvinia

    EMERSED PLANTS:

    Alternanthera philoxeroides
    alligator weed

    Bacopa caroliniana
    lemon bacopa

    Bacopa monnieri
    smooth water-hyssop

    Bidens laevis
    burr-marigold

    Bidens mitis
    marsh beggar-tick

    Canna flaccida
    golden canna

    Cephalanthus occidentalis
    button bush

    Ceratopteris pteridoides
    water-horn fern

    Cicuta maculata
    water hemlock

    Colocasia esculenta
    wild taro

    Crinum americanum
    string-lily

    Decodon verticillatus
    swamp loosestrife

    Echinodorus cordifolius
    creeping burhead stem

    Habenaria repens
    water-spider orchid

    Hymenocallis palmeri
    spider-lily

    Hypericum brachyphyllum
    coastal St. John's-wort

    Hypericum myrtifolium
    myrtleleaf St. John's-wort

    Ipomoea aquatica
    water-spinach

    Ipomoea fistulosa
    bush morning-glory

    Ludwigia arcuata
    Piedmont seedbox

    Ludwigia palustris
    marsh seedbox

    Ludwigia repens
    red ludwigia

    Ludwigia peruviana
    primrose-willow

    Ludwigia leptocarpa
    angle-stem primrose-willow

    Mikania scandens
    climbing hemp-weed

    Myriophyllum aquaticum
    parrot feather

    Orontium aquaticum
    golden club

    Peltandra virginica
    arrow arum

    Polygonum densiflorum
    dense-flower knotweed

    Polygonum hydropiperoides
    swamp smartweed

    Pontederia cordata
    pickerel weed

    Proserpinaca palustris
    marsh mermaid weed

    Proserpinaca pectinata
    cutleaf mermaid weed

    Rorippa floridana
    Florida watercress

    Rotala rotundifolia
    roundleaf toothcup

    Sagittaria graminea
    grassy arrowhead

    Sagittaria lancifolia
    lanceleaf arrowhead

    Sagittaria latifolia
    duck-potato

    Saururus cernuus
    lizard's-tail

    Solanum tampicense
    Tampico nightshade, wetland soda-apple

    Thalia geniculata
    fire flag, alligator flag

     

    GRASSES/SEDGES:

    Carex lupuliformis
    false hop sedge

    Carex stipata
    owlfruit sedge

    Cladium jamaicense
    sawgrass

    Cyperus articulatus
    jointed flat sedge

    Cyperus involucratus
    umbrella sedge

    Echinochloa walteri
    coast cockspur

    Eleocharis baldwinii
    roadgrass

    Eleocharis geniculata
    pantropic spikerush

    Eleocharis interstincta
    knotted spikerush

    Fuirena scirpoidea
    rush fuirena

    Fuirena pumila
    dwarf umbrella sedge

    Hymenachne amplexicaulis
    West Indian marsh grass

    Juncus effusus
    soft rush

    Leersia hexandra
    southern cut grass

    Luziola fluitans [formerly Hydrochloa caroliniensis]
    water grass

    Panicum dichotomiflorum
    fall panic grass

    Panicum hemitomon
    maidencane

    Panicum repens
    torpedo grass

    Panicum rigidulum
    redtop panic grass

    Paspalum distichum
    knot grass

    Paspalum repens (P. fluitans)
    water paspalum

    Paspalidium geminatum
    Egyptian paspalidium

    Phragmites australis
    common reed

    Rhynchospora latifolia
    giant whitetop

    Rhynchospora inundata
    inundated beakrush

    Rhynchospora tracyi
    Tracy's beakrush

    Sacciolepis striata
    American cupscale grass

    Scirpus bulrushes:

    Scirpus californicus
    southern bulrush

    Scirpus cubensis
    burhead sedge

    Scirpus cyperinus
    wool-grass

    Scirpus pungens (S. americanus)
    threesquare bulrush

    Scirpus validus
    soft-stem bulrush

    Scleria lacustris
    Wright's nut-rush

    Sparganium americanum
    bur-reed

    Spartina bakeri
    Baker's cord grass

    Typha species
    cat-tail

    Urochloa mutica
    para grass

    Zizania aquatica
    wild-rice

    Zizaniopsis miliacea
    giant cut grass

    SUBMERSED PLANTS:

    Algae species
    scum forming and plant-like

    Cabomba caroliniana
    fanwort

    Ceratophyllum demersum
    coontail

    Cryptocoryne becketti
    water trumpet

    Egeria densa
    Brazil waterweed

    Fontinalis species
    water moss

    Hydrilla verticillata
    hydrilla

    Hygrophila polysperma
    East Indian hygrophila

    Limnophila sessiliflora
    limnophila

    Mayaca fluviatilis
    bog moss

    Micranthemum umbrosum
    baby's-tears

    Myriophyllum heterophyllum
    water-milfoil

    Myriophyllum spicatum
    Eurasian water-milfoil

    Najas guadalupensis
    southern naiad

    Najas marina
    holly-leaf naiad

    Potamogeton pectinatus
    sago pondweed

    Ruppia maritima
    widgeon-grass

    Sagittaria filiformis (S. stagnorum)
    standing water arrowhead

    Sagittaria graminea
    grassy arrowhead

    Sagittaria kurziana
    spring-tape

    Sagittaria subulata
    awl-leaf arrowhead

    Utricularia foliosa
    flat-stemmed bladderwort

    Utricularia gibba
    tangled bladderwort

    Utricularia purpurea
    purple bladderwort

    Utricularia radiata
    floating bladderwort

    Vallisneria americana
    tape-grass