Habitat key and links F = Field LW = Low, Wet Woods LD = Low, Dry Woods HD = High, Dry Woods Sw = Cypress Swamp

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Achillea millefolium

Asteraceae

Common yarrow

F

May

Agrimonia rostellata

Rosaceae

Woodland agrimony

LD

July-August

Agrostis sp

Poaceae

(redtop grass, but green?)

LW

August

Alliaria petiolata

Brassicaceae

Garlic mustard

F

April

Ambrosia artemisiifolia

Asteraceae

Common ragweed

F

August

Andropogon virginicus

Poaceae

Broom sedge

F

August

Apocynum cannabinum

Apocynaceae

Indian hemp

F

June

Aralia racemosa

Araliaceae

American spikenard

HD

July

Arisaema dracontium

Araceae

Green dragon

LW/HD

May

Arisaema triphyllum

Araceae

Jack-in-the-pulpit

HD

May

Asclepias incarnata

Asclepiadaceae

Swamp milkweed

F (wet)

August

Asclepias purpurascens

Asclepiadaceae

Purple milkweed

LD

May-June

Aster ericoides

Asteraceae

Heath aster

F

August-September

Aster pilosus

Asteraceae

Frost-weed aster

LW

September

Bidens aristosa

Asteraceae

Western tickseed sunflower

F

August

Bidens discoidea

Asteraceae

Swamp beggar-tick

Sw

August-September

Blephilia hirsuta

Lamiaceae

Hairy wood-mint

HD

June-August

Boehmeria cylindrica

Urticaceae

False nettle

LW/LD

July-August

Boltonia asteroides

Asteraceae

False aster

F

August

Campanula americana

Campanulaceae

Tall bellflower

HD

July-August

Campsis radicans

Bignoniaceae

Trumpet creeper

F

June-July

Cardamine bulbosa

Brassicaceae

Spring cress

LW

April

Cassia fasciculata

Caesalpiniaceae

Partridge pea

F

July-August

Cephalanthus occidentalis

Rubiaceae

Buttonbush

Sw

June

Chasmanthium latifolium

Poaceae

Spangle grass; sea oats

LD

June-October

Cicuta maculata

Apiaceae

Water hemlock

LW

July-August

Circaea lutetiana

Onagraceae

Enchanter's nightshade

HD

May-June

Cirsium discolor

Asteraceae

Field thistle

F

August-September

Claytonia virginica

Portulacaceae

Spring beauty

HD

March-April

Conyza canadensis

Asteraceae

Horseweed

F

August-September

Corydalis flavula

Papaveraceae

Yellow corydalis

HD

April

Cryptotaenia canadensis

Apiaceae

Honewort

LD/HD

June

Cuscuta gronovii

Cuscutaceae

Dodder

F

August-September

Cynoglossum virginianum

Boraginaceae

Hound's tongue;
wild comfrey

HD

April

Daucus carota

Apiaceae

Queen Anne's lace

F

July-August

Dentaria laciniata

Brassicaceae

Cut-leaved toothwort

HD

March-April

Desmodium glabellum

Fabaceae

Tick trefoil

LW

August

Desmodium glutinosum

Fabaceae

Pointed tick trefoil

HD

June-July

Desmodium paniculatum

Fabaceae

Panicled tick trefoil

F

August

Dianthus armeria

Caryophyllaceae

Deptford pink

F

June

Dioscorea villosa

Dioscoreaceae

Wild yam

HD

June

Erigeron sp.

Asteraceae

(fleabanes)

F

June-August

Eupatorium coelestinum

Asteraceae

Mistflower

LW

August

Eupatorium perfoliatum

Asteraceae

True boneset

F

August

Eupatorium purpureum

Asteraceae

Purple Joe-pye weed

HD

July-August

Eupatorium rugosum

Asteraceae

White snakeroot

HD

August-September

Eupatorium serotinum

Asteraceae

Late or false boneset

F

August

Euphorbia corollata

Euphorbiaceae

Flowering spurge

LW

August

Euthamia graminifolia

Asteraceae

Grass-leaved goldenrod

F (wet)

August

Galium aparine

Rubiaceae

Cleavers

LW/LD

May-June

Galium sp.

Rubiaceae

Bedstraw

LD

May-June

Galium triflorum

Rubiaceae

Sweet-scented bedstraw

LW

June

Geranium carolinianum

Geraniaceae

Wild cranesbill

F

May

Geranium maculatum

Geraniaceae

Wild geranium

HD

April

Geum canadense

Rosaceae

White avens

LD

June-August

Gnaphalium obtusifolium

Asteraceae

Old-field balsam

F

August

Hackelia virginiana

Boraginaceae

Stickseed

LW/HD

July

Hedyotis purpurea
var. calycosum

Rubiaceae

Houstonia; bluets (white)

LW

May

Helianthus divaricatus

Asteraceae

Woodland sunflower

LD

July-August

Helianthus microcephalus

Asteraceae

Small wood sunflower

HD

August

Helianthus sp.

Asteraceae

unidentified sunflower

F

July

Hottonia inflata

Primulaceae

Featherfoil

Sw

May

Hymenocallis caroliniana

Liliaceae

Spider-lily

LD

August

Hypericum punctatum

Hypericaceae

Spotted St. John's-wort

F

July

Impatiens capensis

Balsaminaceae

Spotted (orange) jewel-weed

LW/LD

June-August

Ipomoea pandurata

Convolvulaceae

Wild potato vine

F

July-August

Krigia biflora

Asteraceae

Dwarf dandelion

LW

May

Lactuca sp.

Asteraceae

Tall blue lettuce

LD

August-September

Lamium sp.

Lamiaceae

Dead nettle

F

March-April

Laportea canadensis

Urticaceae

Wood nettle; Canada nettle

LW/LD

July-August

Leersia lenticularis

Poaceae

Catchfly grass

LW

August

Lemna sp.

Lemnaceae

Duckweed

Sw

Lespedeza virginiana

Fabaceae

Slender bush clover

F

August

Lindera benzoin

Lauraceae

Spicebush

HD

March-April

Lithospermum latifolium

Boraginaceae

American gromwell

HD

April-May

Lobelia cardinalis

Lobeliaceae

Cardinal flower

LW

August

Lobelia inflata

Lobeliaceae

Indian tobacco

LD

July

Lonicera japonica

Caprifoliaceae

Japanese honeysuckle

F

May

Ludwigia alternifolia

Onagraceae

Seedbox

LW

July

Lycopus rubellus

Lamiaceae

Stalked water horehound

F (wet)

August

Mertensia virginica

Boraginaceae

Virgina bluebell; Va. cowslip

HD

April

Mimulus alatus

Scrophulariaceae

Monkey flower

LW

August

Myosotis verna

Boraginaceae

Scorpion grass

F

May

Oenothera biennis

Onagraceae

Evening primrose

LD (F)

June (August)

Oxalis sp.

Oxalidaceae

Yellow wood sorrel

F/HD

May-August

Parthenocissus quinquefolia

Vitaceae

Virginia creeper

LW/HD

Passiflora lutea

Passifloraceae

Yellow passionflower

F

July

Penstemon alluviorum

Scrophulariaceae

Lowland beardstongue

LW

May

Penthorum sedoides

Saxifragaceae

Ditch stonecrop

LW

August

Phegopteris hexagonoptera

Thelypteridaceae

Broad beech fern

HD

Phlox glaberrima

Polemoniaceae

Smooth phlox

LW

May-August

Phryma leptostachya

Phrymaceae

Lopseed

L/HD

June-July

Phytolacca americana

Phytolaccaceae

Pokeweed

HD

June-July

Pilea pumila

Urticaceae

Clearweed

HD

August

Plantago major

Plantaginaceae

Common plantain

F

July

Podophyllum peltatum

Berberidaceae

Mayapple

HD

April-May

Polygonum hydropiperoides

Polygonaceae

Mild water pepper

LW

August-September

Polygonum pennsylvanicum

Polygonaceae

Pennsylvania smartweed

F (wet)

August

Polygonum virginianum

Polygonaceae

Virginia knotweed

LD/HD

July-August

Porteranthus stipulatus

Rosaceae

Indian physic

LD

May-June

Potentilla simplex

Rosaceae

Common cinquefoil

LW

May

Prunella vulgaris

Lamiaceae

Self-heal; heal all

F/LD

July-August

Pycnanthemum tenuifolium

Lamiaceae

Slender mountain-mint

LW/D

June-July

Ranunculus flabellaris

Ranunculaceae

Yellow water buttercup

LW

April

Ranunculus septentrionalis

Ranunculaceae

Swamp buttercup

Sw

April

Rosa multiflora

Rosaceae

Multiflora rose

F

May

Rosa palustris

Rosaceae

Swamp rose

Sw

June

Rosa setigera

Rosaceae

Prairie rose

F

June

Rubus sp.

Rosaceae

Blackberry

F

May

Ruellia strepens

Acanthaceae

Smooth ruellia; wild petunia

LD

May

Sanicula canadensis

Apiaceae

Canadian black snakeroot

LD

May

Sanicula gregaria

Apiaceae

Common snakeroot

LD

May

Saururus cernuus

Saururaceae

Lizard's tail

Sw

June

Scrophularia marilandica

Scrophulariaceae

Maryland figwort

HD

July-August

Senecio glabellus

Asteraceae

Butterweed

LD

April-May

Setaria glauca

Poaceae

Foxtail

F/LD

August-September

Silene stellata

Caryophyllaceae

Starry campion

LD

June-August

Smilacina racemosa

Liliaceae

False Solomon's seal

LD/HD

April-May

Solanum carolinense

Solanaceae

Horse nettle

F

July

Solidago caesia

Asteraceae

Woodland goldenrod

HD

September-October

Solidago canadensis

Asteraceae

Tall goldenrod

F

August-September

Solidago juncea

Asteraceae

Early goldenrod

F

July

Solidago nemoralis

Asteraceae

Gray goldenrod

LD

August-September

Stachys tenuifolia

Lamiaceae

Smooth hedge-nettle

HD

June-August

Taraxacum officinale

Asteraceae

Common dandelion

F

January-December

Thalictrum thalictroides

Ranunculaceae

Rue anemone

HD

April

Toxicodendron radicans

Anacardiaceae

Poison ivy

LW/HD

May

Trifolium pratense

Fabaceae

Red clover

F

June

Trifolium repens

Fabaceae

White clover

F

July-August

Triodanis perfoliata

Campanulaceae

Venus' looking-glass

F

May-June

Uvularia sessilifolia

Liliaceae

Sessile-leaved bellwort

HD

April

Verbena urticifolia

Verbenaceae

White vervain

LD/HD

June-August

Verbesina alternifolia

Asteraceae

Wingstem; yellow ironweed

HD

August-September

Verbesina helianthoides

Asteraceae

Yellow crownbeard

LD

June

Vernonia fasciculata

Asteraceae

Ironweed

LW

August

Viola eriocarpa

Violaceae

Smooth yellow violet

HD

April

Viola papilionacea

Violaceae

Common violet

LW/D

April

Agrimony, woodland
American ipecac
American spikenard
Aster, false
Aster, frost-weed
Aster, heath
Avens, white

Agrimonia rostellata
Porteranthus stipulatus
Aralia racemosa
Boltonia asteroides
Aster pilosus
Aster ericoides
Geum canadense

Beardstongue, lowland
Bedstraw
Bedstraw, sweet-scented
Bellflower, tall
Bellwort, sessile-leaved
Blackberry
Bluebell, Virginia
Boneset, false or late
Boneset, purple
Boneset, true
Broad beech fern
Broom sedge
Bush clover, slender
Buttercup, swamp
Buttercup, yellow water
Butterweed
Buttonbush

Penstemon alluviorum
Galium sp.
Galium triflorum
Campanula americana
Uvularia sessilifolia
Rubus sp.
Mertensia virginica
Eupatorium serotinum
Eupatorium purpureum
Eupatorium perfoliatum
Phegopteris hexagonoptera
Andropogon virginicus
Lespedeza virginiana
Ranunculus septentrionalis
Ranunculus flabellaris
Senecio glabellus
Cephalanthus occidentalis

Cardinal flower
Cinquefoil, common
Clearweed
Cleavers
Clover, red
Clover, white
Comfrey, wild
Corydalis, yellow
Cowslip, Virginia
Cranesbill, Carolina or wild
Cress, spring

Lobelia cardinalis
Potentilla simplex
Pilea pumila
Galium aparine
Trifolium pratense
Trifolium repens
Cynoglossum virginianum
Corydalis flavula
Mertensia virginica
Geranium carolinianum
Cardamine bulbosa

Dandelion, common
Dandelion, dwarf or false
Dead nettle
Deptford pink
Ditch stonecrop
Dodder
Duckweed

Taraxacum officinale
Krigia biflora
Lamium sp.
Dianthus armeria
Penthorum sedoides
Cuscuta gronovii
Lemna sp.

Enchanter's nightshade
Evening primrose

False aster
False nettle
False Solomon's seal
Featherfoil
Fern, broad beech
Field thistle
Figwort, late or Maryland
Fleabane

Circaea lutetiana
Oenothera biennis

Boltonia asteroides
Boehmeria cylindrica
Smilacina racemosa
Hottonia inflata
Phegopteris hexagonoptera
Cirsium discolor
Scrophularia marilandica
Erigeron sp.

Garlic mustard
Geranium, wild
Goldenrod, early
Goldenrod, grass-leaved
Goldenrod, gray
Goldenrod, tall
Goldenrod, woodland
Grass, catchfly
Grass, foxtail
Grass, scorpion
Grass, spangle
Green dragon
Gromwell, American

Alliaria petiolata
Geranium maculatum
Solidago juncea
Euthamia graminifolia
Solidago nemoralis
Solidago canadensis
Solidago caesia
Leersia lenticularis
Setaria glauca
Myosotis verna
Chasmanthium latifolium
Arisaema dracontium
Lithospermum latifolium

Hairy wood-mint
Heal-all
Hedge-nettle, smooth
Hemlock, water
Honewort
Honeysuckle, Japanese
Horehound, stalked water
Horse nettle
Horseweed
Hound's tongue
Houstonia

Blephilia hirsuta
Prunella vulgaris
Stachys tenuifolia
Cicuta maculata
Cryptotaenia canadensis
Lonicera japonica
Lycopus rubellus
Solanum carolinense
Conyza canadensis
Cynoglossum virginianum
Hedyotis purpurea var. calycosum

Indian hemp
Indian physic
Indian tobacco
Ironweed

Jack-in-the-pulpit
Jewel-weed, spotted (orange)
Joe-pye weed, purple

Lettuce, tall blue
Lizard's tail
Lobelia
Lopseed

Apocynum cannabinum
Porteranthus stipulatus
Lobelia inflata
Vernonia altissima

Arisaema triphyllum
Impatiens capensis
Eupatorium purpureum

Lactuca sp.
Saururus cernuus
Lobelia inflata
Phryma leptostachya

Mayapple
Mild water pepper
Milkweed, purple
Milkweed, swamp
Mistflower
Monkey flower
Mountain-mint, slender

Podophyllum peltatum
Polygonum hydropiperoides
Asclepias purpurascens
Asclepias incarnata
Eupatorium coelestinum
Mimulus alatus
Pycnanthemum tenuifolium

Nettle, dead
Nettle, false
Nettle, horse
Nettle, wood or Canada

Old-field balsam

Partridge pea
Passionflower, yellow
Phlox, smooth
Plantain, common
Poison ivy
Pokeweed

Queen Anne's lace

Lamium sp.
Boehmeria cylindrica
Solanum carolinense
Laportea canadensis

Gnaphalium obtusifolium

Cassia fasciculata
Passiflora lutea
Phlox glaberrima
Plantago major
Toxicodendron radicans
Phytolacca americana

Daucus carota

Ragweed, common
Rose, multiflora
Rose, prairie
Rose, swamp
Rue anemone
Ruellia, smooth

Ambrosia artemisiifolia
Rosa multiflora
Rosa setigera
Rosa palustris
Thalictrum thalictroides
Ruellia strepens

St. John's-wort, spotted
Scorpion grass
Sea oats
Seedbox
Self-heal
Snakeroot, Canadian black
Snakeroot, common
Snakeroot, white
Solomon's seal, false
Spicebush
Spider-lily
Spikenard, American
Spring beauty
Spring cress
Spurge, flowering
Starry campion
Stickseed
Stinging nettle
Sunflower, small wood
Sunflower, woodland
Swamp beggar-tick

Hypericum punctatum
Myosotis verna
Chasmanthium latifolium
Ludwigia alternifolia
Prunella vulgaris
Sanicula canadensis
Sanicula gregaria
Eupatorium rugosum
Smilacina racemosa
Lindera benzoin
Hymenocallis caroliniana
Aralia racemosa
Claytonia virginica
Cardamine bulbosa
Euphorbia corollata
Silene stellata
Hackelia virginiana
Laportea canadensis
Helianthus microcephalus
Helianthus divaricatus
Bidens discoidea

Thistle, field
Tickseed, Western tickseed sunflower
Tick trefoil
Tick trefoil, panicled
Tick trefoil, pointed
Toothwort, cut-leaved
Trumpet creeper

Cirsium discolor
Bidens aristosa
Desmodium glabellum
Desmodium paniculatum
Desmodium glutinosum
Dentaria laciniata
Campsis radicans

Venus's looking-glass
Vervain, white
Violet, common
Violet, smooth yellow
Virginia bluebell
Virginia cowslip
Virginia creeper
Virginia knotweed

Triodanis perfoliata
Verbena urticifolia
Viola papilionacea
Viola eriocarpa
Mertensia virginica
Mertensia virginica
Parthenocissus quinquefolia
Polygonum virginianum

Water hemlock
White snakeroot
Wild cranesbill
Wild petunia
Wild potato vine
Wingstem
Wood-mint, hairy
Wood nettle

Cicuta maculata
Eupatorium rugosum
Geranium carolinianum
Ruellia strepens
Ipomoea pandurata
Verbesina alternifolia
Blephilia hirsuta
Laportea canadensis

Yam, wild
Yarrow
Yellow corydalis
Yellow crownbeard
Yellow ironweed
Yellow passionflower
Yellow wood sorrel

Dioscorea villosa
Achillea millefolium
Corydalis flavula
Verbesina helianthoides
Verbesina alternifolia
Passiflora lutea
Oxalis sp.

Bald cypress
Cottonwood, swamp
Hickory, shagbark
Locust, black
Oak, overcup
Oak, cherrybark
Oak, post
Pawpaw
Persimmon
Sweet gum
Tulip poplar

Taxodium distichum
Populus heterophylla
Carya ovata
Robinia pseudoacacia
Quercus lyrata
Quercus pagoda
Quercus stellata
Asimina triloba
Diospyros virginiana
Liquidambar styraciflua
Liriodendron tulipifera

(Twin Swamps has many more trees than those listed here. I hope to expand the list in the future)