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Elizabeth's Wildflower Blog

hunting in the Maryland piedmont (mostly)

Elizabeth's Wildflower Blog

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  • Plant List (binomial)
    • Acer negundo
    • Acer rubrum
    • Actaea racemosa
    • Ageratina altissima var. altissima
    • Ageratina aromatica
    • Agrimonia gryposepala
    • Agrimonia parviflora
    • Alisma subcordatum
    • Allium canadense
    • Allium cernuum
    • Allium tricoccum
    • Ambrosia trifida
    • Amphicarpaea bracteata
    • Anaphalis margaritacea
    • Andropogon gerardii
    • Anemone americana
    • Anemone quinquefolia
    • Anemone virginiana
    • Antennaria plantaginifolia
    • Aplectrum hyemale
    • Apocynum cannabinum
    • Arabidopsis lyrata ssp. lyrata
    • Aralia nudicaulis
    • Arisaema triphyllum
    • Aronia melanocarpa
    • Aruncus dioicus
    • Asarum canadense
    • Asclepias incarnata
    • Asclepias quadrifolia
    • Asclepias syriaca
    • Asclepias verticillata
    • Asclepias viridiflora
    • Asimina triloba
    • Baptisia australis
    • Bidens bipinnata
    • Bidens cernua
    • Bidens frondosa
    • Bidens polylepis
    • Boechera laevigata
    • Caltha palustris
    • Campsis radicans
    • Cardamine angustata
    • Cardamine bulbosa
    • Cardamine concatenata
    • Carex grayi
    • Catalpa speciosa
    • Caulophyllum thalictroides
    • Ceanothus americanus
    • Cephalanthus occidentalis
    • Cerastium arvense
    • Cercis canadensis
    • Chaerophyllum tainturieri var. tainturieri
    • Chamaecrista fasciculata
    • Chasmanthium latifolium
    • Chimaphila maculata
    • Chionanthus virginicus
    • Chrysosplenium americanum
    • Circaea lutetiana
    • Claytonia virginica
    • Clinopodium vulgare
    • Clitoria mariana
    • Collinsonia canadensis
    • Comandra umbellata
    • Commelina virginica
    • Conoclinium coelestinum
    • Conopholis americana
    • Conyza canadensis
    • Coreopsis tripteris
    • Coreopsis verticillata
    • Cornus florida
    • Corydalis flavula
    • Cryptotaenia canadensis
    • Cunila origanoides
    • Cuscuta gronovii
    • Cynanchum laeve
    • Cypripedium acaule
    • Desmodium canescens
    • Desmodium paniculatum
    • Dicentra canadensis
    • Dicentra cucullaria
    • Dichanthelium clandestinum
    • Diodella teres
    • Diodia virginiana var. virginiana
    • Dioscorea villosa
    • Dirca palustris
    • Eclipta prostrata
    • Elephantopus carolinianus
    • Elymus hystrix
    • Epifagus virginiana
    • Epigaea repens
    • Erechtites hieraciifolius var. hieraciifolius
    • Erigenia bulbosa
    • Erythronium albidum
    • Erythronium americanum
    • Eubotrys racemosa
    • Euonymus americanus
    • Eupatorium godfreyanum
    • Eupatorium hyssopifolium
    • Eupatorium perfoliatum
    • Eupatorium serotinum
    • Eupatorium sessilifolium
    • Eupatorium torreyanum
    • Euphorbia corollata
    • Eurybia divaricata
    • Eurybia macrophylla
    • Euthamia graminifolia
    • Eutrochium purpureum
    • Galearis spectabilis
    • Galium aparine
    • Galium circaezans
    • Galium concinnum
    • Gaultheria procumbens
    • Geranium carolinianum var. carolinianum
    • Geranium maculatum
    • Geranium robertianum ssp. robertianum
    • Geum canadense var. canadense
    • Geum vernum
    • Goodyera pubescens
    • Hamamelis virginiana
    • Helenium autumnale
    • Helenium flexuosum
    • Helianthus decapetalus
    • Helianthus divaricatus
    • Helianthus tuberosus
    • Heracleum maximum
    • Heteranthera dubia
    • Heuchera americana
    • Hibiscus laevis
    • Hibiscus moscheutos
    • Hieracium gronovii
    • Hieracium venosum
    • Houstonia caerulea
    • Houstonia longifolia
    • Houstonia purpurea
    • Hydrangea arborescens
    • Hydrophyllum canadense
    • Hydrophyllum virginianum
    • Hylodesmum glutinosum
    • Hylodesmum nudiflorum
    • Hylotelephium telephioides
    • Hypericum gentianoides
    • Hypericum hypericoides
    • Hypericum mutilum
    • Hypericum prolificum
    • Hypericum punctatum
    • Hypopitys monotropa
    • Hypoxis hirsuta
    • Ilex opaca
    • Ilex verticillata
    • Impatiens capensis
    • Impatiens pallida
    • Ionactis linariifolia
    • Ipomoea lacunosa
    • Ipomoea pandurata
    • Iris versicolor/Iris virginica
    • Isotria verticillata
    • Jeffersonia diphylla
    • Juglans nigra
    • Justicia americana
    • Kalmia latifolia
    • Krigia dandelion
    • Laportea canadensis
    • Lespedeza repens
    • Lespedeza virginica
    • Lindera benzoin
    • Lindernia dubia
    • Liparis liliifolia
    • Liriodendron tulipifera
    • Lobelia cardinalis
    • Lobelia inflata
    • Lobelia siphilitica var. siphilitica
    • Ludwigia alternifolia
    • Ludwigia decurrens
    • Lycopus uniflorus
    • Lycopus virginicus
    • Lysimachia ciliata
    • Lysimachia quadrifolia
    • Lysimachia terrestris
    • Magnolia macrophylla
    • Maianthemum canadense
    • Maianthemum racemosum ssp. racemosum
    • Medeola virginiana
    • Menispermum canadense
    • Mentha arvensis
    • Mertensia virginica
    • Micranthes virginiensis
    • Mikania scandens
    • Mimulus alatus
    • Mimulus ringens var. ringens
    • Mitchella repens
    • Mitella diphylla
    • Monarda clinopodia
    • Monarda fistulosa
    • Monotropa uniflora
    • Myosotis verna
    • Nuphar advena
    • Obolaria virginica
    • Oenothera biennis
    • Oenothera perennis
    • Opuntia humifusa var. humifusa
    • Orobanche uniflora
    • Osmorhiza claytonii
    • Osmorhiza longistylis
    • Ostrya virginiana
    • Oxalis dillenii
    • Oxalis grandis
    • Oxalis stricta
    • Oxalis violacea
    • Packera anonyma
    • Packera aurea
    • Panax trifolius
    • Passiflora lutea
    • Penstemon digitalis
    • Penstemon hirsutus
    • Persicaria amphibia
    • Persicaria virginiana
    • Phacelia covillei
    • Phacelia dubia
    • Phacelia purshii
    • Phlox divaricata
    • Phlox paniculata
    • Phlox subulata
    • Phryma leptostachya
    • Phyla lanceolata
    • Physostegia virginiana
    • Phytolacca americana
    • Podophyllum peltatum
    • Polygala polygama
    • Polygala sanguinea
    • Polygonatum biflorum var. biflorum
    • Polygonatum biflorum var. canaliculatum
    • Polymnia canadensis
    • Pontederia cordata
    • Potentilla canadensis
    • Potentilla simplex
    • Prunella vulgaris
    • Prunus virginiana
    • Pseudognaphalium obtusifolium
    • Pycnanthemum tenuifolium
    • Ranunculus abortivus
    • Ranunculus hispidus
    • Ranunculus hispidus var. nitidus
    • Ranunculus recurvatus
    • Rhododendron periclymenoides
    • Rhus copallinum
    • Robinia pseudoacacia
    • Rosa carolina var. carolina
    • Rubus odoratus
    • Rudbeckia hirta var. pulcherrima
    • Rudbeckia laciniata
    • Ruellia caroliniensis
    • Sabatia angularis
    • Sagittaria latifolia
    • Salvia lyrata
    • Sambucus nigra ssp. canadensis
    • Sanguinaria canadensis
    • Sanicula odorata
    • Sassafras albidum
    • Saururus cernuus
    • Scutellaria elliptica
    • Scutellaria nervosa
    • Sedum ternatum
    • Senna hebecarpa
    • Sicyos angulatus
    • Silene caroliniana ssp. pensylvanica
    • Silene stellata
    • Sisyrinchium angustifolium
    • Sisyrinchium mucronatum
    • Smallanthus uvedalia
    • Smilax rotundifolia
    • Solanum carolinense
    • Solidago bicolor
    • Solidago caesia
    • Solidago flexicaulis
    • Solidago racemosa
    • Spiraea alba
    • Staphylea trifolia
    • Stellaria pubera
    • Strophostyles umbellata
    • Stylophorum diphyllum
    • Stylosanthes biflora 
    • Symphyotrichum cordifolium
    • Symphyotrichum ericoides
    • Symphyotrichum lanceolatum
    • Symphyotrichum patens
    • Symphyotrichum shortii
    • Symplocarpus foetidus
    • Teucrium canadense
    • Thalictrum coriaceum
    • Thalictrum dioicum
    • Thalictrum pubescens
    • Thalictrum thalictroides
    • Thyrsanthella difformis
    • Tipularia discolor
    • Toxicodendron radicans
    • Tradescantia virginiana
    • Trichostema dichotomum
    • Trillium cernuum
    • Trillium sessile
    • Triodanis perfoliata
    • Typha latifolia
    • Uvularia perfoliata
    • Uvularia sessilifolia
    • Vaccinium stamineum
    • Valeriana pauciflora
    • Veratrum viride
    • Verbena hastata
    • Verbena urticifolia
    • Verbesina alternifolia
    • Verbesina occidentalis
    • Vernonia noveboracensis
    • Veronicastrum virginicum
    • Viburnum acerifolium
    • Viburnum prunifolium
    • Viola cucullata
    • Viola palmata
    • Viola primulifolia
    • Viola pubescens var. pubescens
    • Viola pubescens var. scabriuscula
    • Viola sagittata var. ovata
    • Viola sororia
    • Viola striata
    • Zizia aurea
  • Plant List (common names)
  • Three Views

Persicaria amphibia

formerly Polygonum amphibium

Common Names
water smartweed

Family
Polygonaceae

Habitat
shallow water and wet soils, in sun

Observed Blooming
mid August to late September, 2017

Conservation
no issues

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