| Season |
|
|
|
Acanthaceae |
Acanthus Family |
| S |
Justicia americana |
Water Willow |
| S |
Ruellia caroliniensis |
Wild Petunia |
|
|
|
|
Amaranthaceae |
Amaranthus Family |
| S |
Amaranthus spinosus |
Spiny Amaranthus |
|
|
|
|
Apiaceae |
Parsley Family |
| S-F |
Angelica venenosa |
Hairy Angelica |
| S |
Cicuta maculata |
Poison Water Hemlock |
| S |
Cryptotaenia canadensis |
Honewort |
| S |
Daucus carota |
Queen Anne's Lace |
| S |
Osmorhiiza claytoni |
Hairy Sweet Cicely |
| S |
Sanicula canadensis |
Black Snakeroot |
|
|
|
|
Apocynaceae |
Dogbane Family |
| S |
Apocynum androsaemifolium |
Spreading Dogbane |
|
|
|
|
Araliaceae |
Gensing Family |
| Sp |
Aralia nudicaulis |
Wild Sarsaparilla |
| S |
Aralia racemosa |
American Spikenard |
|
|
|
|
Aristolochiaceae |
Birthwort Family |
| Sp |
Asarum canadense |
Canada Wild Ginger |
| Sp |
Hexastylis virginica |
Evergreen Wild Ginger |
|
|
|
|
Asclepiadaceae |
Milkweed Family |
| S |
Asclepias amplexicaulis |
Clasping Milkweed |
| S |
Asclepias incarnata |
Swamp Milkweed |
| Sp-S |
Asclepias syriaca |
Common Milkweed |
| S-F |
Asclepias verticillata |
Whorled Milkweed |
| S |
Asclepias viridiflora |
Green-flowered Milkweed |
|
|
|
|
Asteraceae |
Composite Family |
| S-F |
Achillea millefolium |
Yarrow |
| S-F |
Ageratina altissima |
White Snakeroot |
| S-F |
Ambrosia artemisiifolia |
Ragweed |
| S-F |
Ambrosia trifida |
Giant Ragweed |
| Sp |
Antennaria plantaginifolia |
Pussytoes |
| S-F |
Arctium minus |
Burdock |
| F |
Aster cordifolius |
Blue Wood Aster |
| S-F |
Aster divaricatus |
White Wood Aster |
| F |
Aster lateriflorus |
Starved Aster |
| S-F |
Aster puniceus |
Purple-stemmed Aster |
| F |
Aster vimineus |
Small Wood Aster |
| S-F |
Bidens bipinnata |
Spanish Needles |
| F |
Bidens cernua |
Nodding Beggar-Ticks |
| S-F |
Bidens frondosa |
Beggar-Ticks |
| F |
Bidens tripartita |
Beggar-Ticks |
| S-F |
Carduus lanceolata |
Common Thistle |
| S-F |
Centaurea maculosa |
Spotted Knapweed |
| S |
Chondrilla juncea |
Skeletonweed |
| S-F |
Chrysanthemum leucanthemum |
Ox-eye Daisy |
| Sp-S |
Chrysogonum virginianum |
Golden Star |
| S-F |
Cichorium intybus |
Chicory |
| S-F |
Cirsium discolor |
Field Thistle |
| S-F |
Cirsium pumilum |
Pasture Thistle |
| S-F |
Cirsium vulgare |
Bull Thistle |
|
Coreopsis verticillata |
Whorled Tickseed |
| S-F |
Eclipta alba |
Yerba de Tado |
| S |
Elephantopus carolinianus |
Elephant's foot |
| S-F |
Erichtites hieracifolia |
Fireweed |
| S |
Erigeron annuus |
Daisy Fleabane |
| S-F |
Erigeron canadensis |
Horseweed |
| S |
Erigeron strigosus |
Daisy Fleabane |
| S-F |
Eupatoriadelphus fistulosus |
Common Joe-Pye-Weed |
| S-F |
Eupatorium album |
White Throughwort |
| S-F |
Eupatorium perfoliatum |
Boneset |
| S-F |
Galinsoga quadriradiata |
Devil's Delight |
| S-F |
Gnaphalium obtusifolium |
Rabbit Tobacco |
| S-F |
Gnaphalium purpureum |
Purplish Cudweed |
| F |
Helianthus strumosus |
Pale-leaved Sunflower |
| S-F |
Heterotheca mariana |
Golden Aster |
| Sp-S |
Hieracium caespitosum |
Field Hawkweed |
| S |
Hieracium paniculatum |
Woodland Hawkweed |
| Sp |
Hieracium pilosella |
Mouse-ear Hawkweed |
| S-F |
Hieracium venosum |
Rattlesnake Weed |
| S-F |
Pyrrhopappus carolinianus |
False Dandelion |
| S |
Rudbeckia hirta |
Black-eyed Susan |
| S |
Rudbeckia laciniata |
Tall Coneflower |
| Sp-S |
Senecio anonymus |
Ragwort |
| Sp |
Senecio aureus |
Golden Ragwort |
| S-F |
Sericocarpus asteroides |
Toothed White-topped Aster |
| F |
Solidago bicolor |
Silverrod |
| S-F |
Solidago caesia |
Wreath Goldenrod |
| F |
Solidago canadensis |
Tall Goldenrod |
| F |
Solidago erecta |
Slender Goldenrod |
| F |
Solidago gigantea |
Late Goldenrod |
|
Solidago nemoralis |
Oldfield Goldenrod |
| F |
Solidago odora |
Sweet Goldenrod |
| Sp-F |
Taraxacum officinale |
Dandelion |
| S-F |
Tragopogon pratensis |
Yellow Goatsbeard |
| S-F |
Verbesina alternifolia |
Wingstem |
|
Verbesina occidentalis |
Crown-beard |
| S-F |
Vernonia noveboracensis |
New York Ironweed |
|
|
|
|
Balsaminaceae |
Jewelweed Family |
| S-F |
Impatiens capensis |
Jewelweed |
|
|
|
|
Berberidaceae |
Barberry Family |
| Sp |
Podophyllum peltatum |
May Apple; Mandrake |
|
|
|
|
Boraginaceae |
Borage Family |
| Sp |
Lithospermum arvense |
Corn Gromwell |
| Sp |
Mertensia virginica |
Virginia Bluebells |
|
|
|
|
Brassicaceae |
Mustard Family |
| Sp |
Arabadopsis thaliana |
Mouse-ear Cress |
| Sp |
Arabis canadensis |
Sicklepod |
| Sp |
Barbarea vulgaris |
Winter Cress |
| Sp |
Brassica rapa |
Turnip |
| Sp |
Capsella bursa-pastoris |
Shepherd's Purse |
| Sp |
Cardamine hirsuta |
Hairy Bittercress |
| Sp-S |
Cardamine pensylvanica |
Pennsylvania Bittercress |
| Sp |
Lepidium campestre |
Field Cress |
| Sp-S |
Lepidium virginicum |
Peppergrass |
| S-F |
Rorippa palustris |
March Yellow Cress |
| Sp-S |
Sisymbrium altissumum |
Tumble Mustard |
| Sp-S |
Thlaspi arvense |
Field Pennycress |
|
|
|
|
Callitrichaceae |
|
|
Callitriche heterophylla |
Larger Water Starwort |
|
|
|
|
Campanulaceae |
Bluebell Family |
| F |
Lobelia cardinalis |
Cardinal Flower |
| S-F |
Lobelia inflata |
Indian Tobacco |
| S |
Lobelia spicata |
Spiked Lobelia |
| S |
Triodanis perfoliata |
Venus' Looking Glass |
|
|
|
|
Caryophyllaceae |
Pink Family |
| S |
Dianthus armeria |
Deptford Pink |
| Sp |
Holosteum umbellatum |
Jagged Chickweed |
| Sp-S |
Scleranthus annuus |
Knawel |
| S |
Silene antirrhina |
Sleepy Catchfly |
| Sp-S |
Silene caroliniana |
Wild Pink |
| Sp-F |
Stellaria media |
Common Chickweed |
| Sp-S |
Stellaria pubera |
Giant Chickweed |
|
|
|
|
Chenopodiaceae |
Goosefoot Family |
| S-F |
Chenopodium album |
Lamb's Quarters |
| S-F |
Chenopodium ambrosioides |
Mexican Tea |
|
|
|
|
Cistaceae |
Rockrose Family |
| S |
Lechea racemulosa |
Pinweed |
|
|
|
|
Ericaeae |
Heath Family |
| S |
Chimaphila maculata |
Striped (or Spotted) Wintergreen |
| S |
Chimaphila umbellata |
Pipsissewa |
| Sp |
Epigaea repens |
Trailing Arbutus |
| Sp-S |
Lyonia ligustrina |
Maleberry |
| S-F |
Monotropa hypopithys |
Pinesap |
| S |
Monotropa uniflora |
Indian Pipe |
| S |
Pyrola rotundifolia |
American Wintergreen |
|
|
|
|
Euphorbiaceae |
Spurge Family |
| S-F |
Acalypha rhomboidea |
Three-seeded Mercury |
| S |
Euphorbia corollata |
Flowering Spurge |
| S-F |
Euphorbia maculata |
Eyebane |
|
|
|
|
Fabaceae |
Pea Family |
| S-F |
Amphicarpa bracteata |
Hog-Peanut |
| S-F |
Apios americana |
Groundnut |
| S |
Cassia chamaecrista |
Partridge Pea |
| S |
Cassia marilandica |
Wild Senna |
| S |
Clitoria mariana |
Butterfly Pea |
| S-F |
Desmodium canescens |
Tick-trefoil |
| S-F |
Desmodium nudiflorum |
Tick-trefoil |
| S-F |
Desmodium paniculatum |
Tick-trefoil |
| S-F |
Desmodium rotundifolium |
Prostrate Tick-trefoil |
| S-F |
Lespedeza cuneata |
Sericea |
| S-F |
Lespedeza hirta |
Hairy Bushclover |
| S-F |
Lespedeza procumbens |
Trailing Bushclover |
| S-F |
Lespedeza repens |
Creeping Bushclover |
| S-F |
Lespedeza striata |
Japan Bushclover |
| S |
Medicago sativa |
Alfalfa |
| S |
Melilotus alba |
White Sweetclover |
| S |
Tephrosia virginiana |
Goat's Rue |
| Sp-F |
Trifolium arvense |
Rabbitsfoot Clover |
| Sp-F |
Trifolium campestre |
Low Hop Clover |
| S-F |
Trifolium dubium |
Least Hop Clover |
| Sp-F |
Trifolium pratense |
Red Clover |
| Sp-S |
Vicia satvia |
Common Vetch |
| Sp-F |
Trifolium repens |
White Clover |
| Sp-S |
Wisteria sinensis |
Wisteria |
|
|
|
|
Fumariaceae |
Fumitory Family |
| Sp-S |
Corydalis flavula |
Yellow Corydalis |
|
|
|
|
Geraniaceae |
Geranium Family |
| Sp-F |
Erodium cicutarium |
Storksbill |
| Sp-F |
Geranium carolinianum |
Carolina Crane's Bill |
| Sp |
Geranium maculatum |
Wild Geranium |
|
|
|
|
Gentianaceae |
|
| S |
Sabatia angularis |
Rose Pink |
|
|
|
|
Hypericaceae |
St. Johnswort Family |
| S |
Hypericum hypericoides |
Pineweed |
| S |
Hypericum mutilum |
Dwarf St. Johnswort |
| S |
Hypericum perforatum |
Common St. Johnswort |
| S |
Hypericum punctatum |
Spotted St. Johnswort |
|
|
|
|
Lamiaceae |
Mint Family |
| S |
Collinsonia canadensis |
Horse Balm |
| S |
Cunila origanoides |
Dittany |
| S |
Hedeoma pulegioides |
American Pennyroyal |
| Sp |
Lamium amplexicaule |
Henbit |
| Sp |
Lamium purpureum |
Purple Dead Nettle |
| S |
Lycopus virginicus |
Virginia Bugleweed |
|
Mentha piperita |
Peppermint |
| S |
Monarda fistulosa |
Wild Bergamot |
| S |
Monarda punctata |
Horsemint |
| S |
Nepeta cataria |
Catnip |
| S |
Perilla frutescens |
Beefsteak Plant |
| S |
Prunella vulgaris |
Heal-All |
| S |
Pycanthemum tenuifolium |
Narrow-leaved Mountain Mint |
| Sp |
Salvia lyrata |
Lyre-leaved Sage |
| S |
Satureja vulgaris |
Basil |
| S |
Scutellaria elliptica |
Hairy Skullcap |
| S |
Scutellaria integrifolia |
Hyssop Skullcap |
| S-F |
Scutellaria lateriflora |
Mad-dog Skullcap |
| Sp-S |
Scutellaria serrata |
Showy Skullcap |
| S |
Trichostema dichotomum |
Blue Curls |
|
|
|
|
Linaceae |
Flax Family |
| S |
Linum virginianum |
Yellow Flax |
|
|
|
|
Loranthaceae |
Mistletoe Family |
| F |
Phoradendron serotinum |
Mistletoe |
|
|
|
|
Malvaceae |
Mallow Family |
| Sp-F |
Malva neglecta |
Common Mallow |
| S-F |
Abutilon theophrasti |
Pie-print; Velvetleaf |
|
|
|
|
Onagraceae |
Evening Primrose Family |
| S |
Circaea lutetiana |
Enchanter's Nightshade |
| S |
Epilobium coloratum |
Purple-leaved Willow-herb |
| S |
Ludwigia alternifolia |
Seedbox |
| S-F |
Ludwigia decurrens |
Primrose Willow |
| S-F |
Ludwigia palustris |
Marsh Purslane |
| S |
Oenothera biennis |
Evening Primrose |
|
|
|
|
Orobancaceae |
Broomrape Family |
| Sp-S |
Conophosis americana |
Squawroot |
|
Epifagus virginiana |
Beech Drops |
|
|
|
|
Oxalidaceae |
Wood Sorrel Family |
| Sp-F |
Oxalis dillenii |
Upright Yellow Wood Sorrel |
| Sp-S |
Oxalis violacea |
Violet Wood Sorrel |
|
|
|
|
Papaveraceae |
Poppy Family |
| Sp |
Sanguinaria canadensis |
Bloodroot |
|
|
|
|
Phrymaceae |
Lopseed Family |
| S |
Phryma leptostachya |
Lopseed |
|
|
|
|
Phytolaccaceae |
Pokeweed Family |
| S |
Phytolacca americana |
Pokeweed |
|
|
|
|
Plantaginaceae |
Plantain Family |
| Sp |
Plantago aristata |
Bracted Plantain |
| Sp-F |
Plantago lanceolata |
Narrow-leaved Plantain |
| Sp-F |
Plantago virginica |
Dwarf Plantain |
|
|
|
|
Polygonaceae |
Buckwheat Family |
| Sp-F |
Polygonum arifolium |
Halberd-leaved Tearthumb |
| S-F |
Polygonum aviculare |
Knotweed |
| S-F |
Polygonum cespitosum |
Asiatic Water Pepper |
| S-F |
Polygonum hydropiper |
Common Smartweed |
| S-F |
Polygonum pensylvanicum |
Pennsylvania Smartweed |
| S-F |
Polygonum persicaria |
Lady's Thumb |
| S-F |
Polygonum punctatum |
Water Smartweed |
| S-F |
Polygonum sagittatum |
Arrowleaf Tearthumb |
| S-F |
Polygonum virginiana |
Virginia Knotweed |
| Sp-F |
Rumex acetosella |
Sheep Sorrel |
|
|
|
|
Primulaceae |
Primrose Family |
| S |
Lysimachia ciliata |
Fringed Loosestrife |
| Sp-S |
Lysimachia quadrifolia |
Whorled Loosestrife |
|
|
|
|
Ranunculaceae |
Buttercup Family |
| S |
Anemone virginiana |
Thimbleweed |
| Sp |
Anemonella thalictroides |
Rue Anemone |
| S |
Cimifuga racemosa |
Black Cohosh |
| Sp |
Hepatica americana |
Hepatica |
| Sp-S |
Ranunculus abortivus |
Kidney-leaved Buttercup |
| Sp-S |
Ranunculus bulbosus |
Common Buttercup |
| Sp-S |
Thalictrum revolutum |
Meadowrue |
|
|
|
|
Rosaceae |
Rose Family |
| Sp-S |
Alchemilla microcarpa |
A winter annual |
| Sp-S |
Aruncus dioicus |
Goatsbeard |
| Sp-S |
Duchesnia indica |
Indian Strawberry |
| Sp-S |
Fragaria virginiana |
Wild Strawberry |
| S |
Geum canadense |
White Avens |
| Sp-S |
Gillenia trifoliatus |
Indian Physic |
| Sp-F |
Potentilla canadensis |
Canada Cinquefoil |
| S |
Potentilla norvegica |
Rough Cinquefoil |
| S |
Potentilla recta |
Upright Cinquefoil |
|
|
|
|
Rubiaceae |
Madder Family |
| S |
Diodia teres |
Rough Buttonweed |
| Sp-S |
Galium aparine |
Cleavers |
| Sp-S |
Galium circaezans |
Wild Licorice |
| S |
Galium pilosum |
Hairy Bedstraw |
| Sp-S |
Galium tinctorium |
Clayton's Bedstraw |
| Sp-S |
Galium triflorum |
Sweet-scented Bedstraw |
| Sp |
Houstonia caerulea |
Bluets |
| Sp-S |
Houstonia longifolia |
Long-leaved Summer Bluets |
| Sp-S |
Houstonia purpurea |
Large Summer Bluets |
| S |
Mitchella repens |
Partridgeberry |
|
|
|
|
Saxifragaceae |
Saxifrage Family |
| Sp |
Chrysosplenium americanum |
Golden Saxifrage |
| Sp-S |
Heuchera americana |
Alum Root |
| S |
Penthorum sedoides |
Ditch Stonecrop |
| Sp |
Saxifraga virginiensis |
Early Saxifrage |
|
|
|
|
Scrophulariaceae |
Figwort Family |
| S |
Aureolaria flava |
Smooth yellow Foxglove |
| S-F |
Chelone glabra |
Turtlehead |
| S-F |
Gratiola neglecta |
Clammy Hedge Hyssop |
| S-F |
Linaria vulgaris |
Butter-and-Eggs |
| S |
Mimulus ringens |
Common Monkeyflower |
| S |
Scrophularia marilandica |
Maryland Figwort |
| S |
Verbascum thapsus |
Common Mullein |
| Sp-S |
Veronica arvensis |
Corn Speedwell |
| Sp-S |
Veronica officinialis |
Common Speedwell |
| Sp-F |
Veronica persica |
Persian Speedwell |
|
|
|
|
Solanaceae |
Nightshade Family |
| S-F |
Datura stramonium |
Jimson Weed |
| S |
Solanum carolinense |
Horsenettle |
|
|
|
|
Urticaceae |
Nettle Family |
| S |
Bochmeia cylindrica |
False Nettle |
| S-F |
Pilea pumila |
Clearweed |
|
|
|
|
Valerianaceae |
Valerian Family |
| S |
Valerianella locusta |
Blue Corn Salad |
| Sp |
Valerianella olitoria |
Corn Salad |
|
|
|
|
Verbenaceae |
Vervain Family |
| S |
Verbena urticifolia |
White Vervain |
|
|
|
|
Violaceae |
Violet Family |
| Sp |
Viola palmata |
Common Blue Violet |
| Sp |
Viola pedata |
Bird’s-foot Violet |
| Sp |
Viola rafinesquii |
Field Pansy |
|
|
|
|
Vitacea |
Vine Family |
| S |
Parthenocissus quinquifolia |
Virginia Creeper |
| Sp-S |
Vitis labrusca |
Fox Grape |
| Sp-S |
Vitis riparia |
Riverbank Grape |
| Sp-S |
Vitis vulpina |
Winter Grape |
| S |
Rumex crispus |
Curly Dock |
