Blue Ridge Mountains
	Bull Run Mountains
	marsh
	Lichen species
	Sach's Bridge
	Rock Creek
	US 340 bridge
	Serpentine Grassland
	Potomac River
	Corvus corax
	stone bridge
	Joe
	Vulpes vulpes
	horses
	old field
	Eumeces fasciatus
	sunset
	Great Smoky Mountains
	Plains
	Luna moth
	Pterourus glaucus
	Appalachian forest in spring
	Phyla lanceolata
	Triticum sp.	Poaceae
Adam's needle	Yucca filamentosa	Agavaceae
Allegheny stonecrop	Hylotelephium telephioides	Crassulaceae
American beech	Fagus grandifolia	Fagaceae
American bladdernut	Staphylea trifolia	Staphyleaceae
American chestnut	Castanea dentata	Fagaceae
American elm	Ulmus americana	Ulmaceae
American germander	Teucrium canadense	Lamiaceae
American hazelnut	Corylus americana	Betulaceae
American holly	Ilex opaca	Aquifoliaceae
American hornbeam	Carpinus caroliniana	Betulaceae
American sycamore	Platanus occidentalis	Platanaceae
Appalachian gooseberry	Ribes rotundifolium	Grossulariaceae
arrowleaf tearthumb	Polygonum sagittatum	Polygonaceae
Atlantic white cedar	Chamaecyparis thyoides	Cupressaceae
balsam fir	Abies balsamea	Pinaceae
balsam ragwort	Packera paupercula	Asteraceae
bearberry	Arctostaphylos uva-ursi	Ericaceae
bearded beggarticks	Bidens aristosa	Asteraceae
bigtooth aspen	Populus grandidentata	Salicaceae
birdfoot violet	Viola pedata	Violaceae
black birch	Betula lenta	Betulaceae
black huckleberry	Gaylussacia baccata	Ericaceae
black raspberry	Rubus occidentalis	Rosaceae
black walnut	Juglans nigra	Juglandaceae
black willow	Salix nigra	Salicaceae
blackeyed Susan	Rudbeckia hirta	Asteraceae
blackgum	Nyssa sylvatica	Cornaceae
blackhaw	Viburnum prunifolium	Caprifoliaceae
blue scorpion-weed	Phacelia ranunculacea	Hydrophyllaceae
blue vervain	Verbena hastata	Verbenaceae
blue wood aster	Symphyotrichum cordifolium	Asteraceae
bluets	Houstonia caerulea	Rubiaceae
borage	Borago officinalis	Boraginaceae
bottlebrush buckeye	Aesculus parviflora	Hippocastanaceae
bottlebrush grass	Elymus hystrix	Poaceae
Bowman's root	Gillenia trifoliata	Rosaceae
boxelder	Acer negundo	Aceraceae
bracted plantain	Plantago aristata	Plantaginaceae
bristly greenbrier	Smilax tamnoides	Smilacaceae
broadleaf arrowhead	Sagittaria latifolia	Alismataceae
broomsedge	Andropogon virginicus	Poaceae
bushy bluestem	Andropogon glomeratus	Poaceae
butterbur	Petasites hybridus	Compositae
buttercup scorpion-weed	Phacelia covillei	Hydrophyllaceae
butterfly weed	Asclepias tuberosa	Asclepiadaceae
Canada anemone	Anemone canadensis	Ranunculaceae
Canada St. Johnswort	Hypericum canadense	Clusiaceae
Canadian white violet	Viola canadensis	Violaceae
Carolina wild petunia	Ruellia caroliniensis	Acanthaceae
cat greenbrier	Smilax glauca	Smilacaceae
cat's ear	Hypochaeris radicata	Asteraceae
catawba rhododendron	Rhododendron catawbiense	Ericaceae
catberry	Ilex mucronata	Aquifoliaceae
chestnut oak	Quercus prinus	Fagaceae
chicory	Cichorium intybus	Asteraceae
chinkapin	Castanea pumila	Fagaceae
chokecherry	Prunus virginiana	Rosaceae
cinnamon fern	Osmunda cinnamomea	Osmundaceae
cliff stonecrop	Sedum glaucophyllum	Crassulaceae
colicroot	Aletris farinosa	Liliaceae
common cowparsnip	Heracleum maximum	Apiaceae
common evening primrose	Oenothera biennis	Onagraceae
common fleabane	Erigeron philadelphicus	Asteraceae
common fumitory	Fumaria officinalis	Fumariaceae
common goldstar	Hypoxis hirsuta	Liliaceae
common greenbrier	Smilax rotundifolia	Smilacaceae
common milkweed	Asclepias syriaca	Asclepiadaceae
common mullein	Verbascum thapsus	Scrophulariaceae
common ninebark	Physocarpus opulifolius	Rosaceae
common persimmon	Diospyros virginiana	Ebenaceae
common reed	Phragmites australis	Poaceae
common winterberry	Ilex verticillata	Aquifoliaceae
corkwood	Leitneria floridana	Leitneriaceae
corn salad	Valerianella locusta	Valerianaceae
cow vetch	Vicia cracca	Fabaceae
creeping juniper	Juniperus horizontalis	Cupressaceae
creeping phlox	Phlox stolonifera	Polemoniaceae
crested iris	Iris cristata	Iridaceae
crownvetch	Securigera varia	Fabaceae
Culver's root	Veronicastrum virginicum	Scrophulariaceae
Curtiss' milkwort	Polygala curtissii	Polygalaceae
cutleaf coneflower	Rudbeckia laciniata	Asteraceae
cutleaf toothwort	Cardamine concatenata	Brassicaceae
deerberry	Vaccinium stamineum	Ericaceae
dense blazing star	Liatris spicata	Asteraceae
Deptford pink	Dianthus armeria	Caryophyllaceae
devil's walkingstick	Aralia spinosa	Araliaceae
downy serviceberry	Amelanchier arborea	Rosaceae
dutchman's breeches	Dicentra cucullaria	Fumariaceae
dwarf cinquefoil	Potentilla canadensis	Rosaceae
dwarf dandelion	Krigia virginica	Asteraceae
dwarf ginseng	Panax trifolius	Araliaceae
dwarf iris	Iris verna	Iridaceae
early lowbush blueberry	Vaccinium pallidum	Ericaceae
early saxifrage	Saxifraga virginiensis	Saxifragaceae
eastern hemlock	Tsuga canadensis	Pinaceae
eastern prickly pear	Opuntia humifusa	Cactaceae
eastern redcedar	Juniperus virginiana	Cupressaceae
elderberry	Sambucus nigra	Caprifoliaceae
European centaury	Centaurium erythraea	Gentianaceae
fairywand	Chamaelirium luteum	Liliaceae
false hellebore	Veratrum viride	Liliaceae
false mermaid	Floerkea proserpinacoides	Limnanthaceae
fernleaf false foxglove	Aureolaria pedicularia	Scrophulariaceae
field chickweed	Cerastium arvense	Caryophyllaceae
field thistle	Cirsium discolor	Asteraceae
fireweed	Chamerion angustifolium	Onagraceae
five-leaved bittercress	Cardamine pentaphyllos	Brassicaceae
flame azalea	Rhododendron calendulaceum	Ericaceae
flat-topped aster	Doellingeria umbellata	Asteraceae
flowering dogwood	Cornus florida	Cornaceae
flowering spurge	Euphorbia corollata	Euphorbiaceae
flypoison	Amianthium muscitoxicum	Liliaceae
foamflower	Tiarella cordifolia	Saxifragaceae
forget-me-not	Myosotis scorpioides	Boraginaceae
foxglove beardtongue	Penstemon digitalis	Scrophulariaceae
Fraser fir	Abies fraseri	Pinaceae
fringed bindweed	Polygonum cilinode	Polygonaceae
fringetree	Chionanthus virginicus	Oleaceae
gamagrass	Tripsacum dactyloides	Poaceae
garden phlox	Phlox paniculata	Polemoniaceae
gaywings	Polygala paucifolia	Polygalaceae
giant bindweed	Calystegia silvatica	Convolvulaceae
giant bur-reed	Sparganium eurycarpum	Sparganiaceae
giant cane	Arundinaria gigantea	Poaceae
goat's beard	Aruncus dioicus	Rosaceae
golden drop	Onosma arenaria	Boraginaceae
golden ragwort	Packera aurea	Asteraceae
golden tickseed	Coreopsis tinctoria	Asteraceae
goose tongue	Plantago maritima	Plantaginaceae
grassleaf blazing star	Liatris pilosa	Asteraceae
gray beardtongue	Penstemon canescens	Scrophulariaceae
gray birch	Betula populifolia	Betulaceae
greater purple fringed orchid	Platanthera grandiflora	Orchidaceae
greater scented liverwort	Conocephalum conicum	Conocephalaceae
green and gold	Chrysogonum virginianum	Asteraceae
green ash	Fraxinus pennsylvanica	Oleaceae
green milkweed	Asclepias viridiflora	Asclepiadaceae
hackberry	Celtis occidentalis	Ulmaceae
hairy alumroot	Heuchera villosa	Saxifragaceae
hairy bittercress	Cardamine hirsuta	Brassicaceae
hairy Solomon's seal	Polygonatum pubescens	Liliaceae
hairy-jointed meadow parsnip	Thaspium barbinode	Apiaceae
halberdleaf yellow violet	Viola hastata	Violaceae
heartleaf golden Alexanders	Zizia aptera	Apiaceae
hedge maple	Acer campestre	Aceraceae
hepatica	Hepatica nobilis	Ranunculaceae
hobblebush	Viburnum lantanoides	Caprifoliaceae
hog-peanut	Amphicarpaea bracteata	Fabaceae
hollow joe-pye weed	Eupatoriadelphus fistulosus	Asteraceae
hophornbeam	Ostrya virginiana	Betulaceae
horsenettle	Solanum carolinense	Solanaceae
Indian cucumber root	Medeola virginiana	Liliaceae
Indian paintbrush	Castilleja coccinea	Scrophulariaceae
Indian tobacco	Lobelia inflata	Campanulaceae
indigo bush	Amorpha fruticosa	Fabaceae
Jack in the pulpit	Arisaema triphyllum	Araceae
Jacob's ladder	Polemonium reptans	Polemoniaceae
Japanese mazus	Mazus pumilus	Scrophulariaceae
joe pye weed	Eupatorium purpureum	Asteraceae
large-flowered bellwort	Uvularia grandiflora	Liliaceae
large-flowered tickseed	Coreopsis grandiflora	Asteraceae
larger blue flag	Iris versicolor	Iridaceae
lateflowering thoroughwort	Eupatorium serotinum	Asteraceae
leatherwood	Dirca palustris	Thymelaeaceae
lesser purple fringed orchid	Platanthera psycodes	Orchidaceae
little bluestem	Schizachyrium scoparium	Poaceae
lizard's tail	Saururus cernuus	Saururaceae
loblolly pine	Pinus taeda	Pinaceae
long-headed poppy	Papaver dubium	Papaveraceae
longbract frog orchid	Dactylorhiza viridis	Orchidaceae
longleaf groundcherry	Physalis longifolia	Solanaceae
longleaf starwort	Stellaria longifolia	Caryophyllaceae
lyre-leaved rock cress	Arabis lyrata	Brassicaceae
mapleleaf viburnum	Viburnum acerifolium	Caprifoliaceae
marginal woodfern	Dryopteris marginalis	Dryopteridaceae
marsh fleabane	Pluchea odorata	Asteraceae
Maryland goldenaster	Chrysopsis mariana	Asteraceae
Maryland meadowbeauty	Rhexia mariana	Melastomataceae
Mayapple	Podophyllum peltatum	Berberidaceae
meadow beauty	Rhexia virginica	Melastomataceae
meadowsweet	Spiraea alba	Rosaceae
minniebush	Menziesia pilosa	Ericaceae
miterwort	Mitella diphylla	Saxifragaceae
mockernut hickory	Carya alba	Juglandaceae
monkey flower	Mimulus ringens	Scrophulariaceae
moss phlox	Phlox subulata	Polemoniaceae
mountain andromeda	Pieris floribunda	Ericaceae
mountain anemone	Anemone lancifolia	Ranunculaceae
mountain bellwort	Uvularia puberula	Liliaceae
mountain laurel	Kalmia latifolia	Ericaceae
mountain maple	Acer spicatum	Aceraceae
multiflora rose	Rosa multiflora	Rosaceae
musk thistle	Carduus nutans	Asteraceae
naked-flowered tick trefoil	Desmodium nudiflorum	Fabaceae
narrow-leaved gentian	Gentiana linearis	Gentianaceae
New England aster	Symphyotrichum novae-angliae	Asteraceae
New York aster	Symphyotrichum novi-belgii	Asteraceae
New York ironweed	Vernonia noveboracensis	Asteraceae
nodding lady's tresses	Spiranthes cernua	Orchidaceae
nodding onion	Allium cernuum	Liliaceae
nodding wakerobin	Trillium flexipes	Liliaceae
northern bush honeysuckle	Diervilla lonicera	Caprifoliaceae
northern red oak	Quercus rubra	Fagaceae
Nuttall's lobelia	Lobelia nuttallii	Campanulaceae
oak	Quercus sp.	Fagaceae
oakleaf hydrangea	Hydrangea quercifolia	Hydrangeaceae
orange hawkweed	Hieracium aurantiacum	Asteraceae
orange milkwort	Polygala lutea	Polygalaceae
oysterleaf	Mertensia maritima	Boraginaceae
painted trillium	Trillium undulatum	Liliaceae
pale flax	Linum bienne	Linaceae
pale smartweed	Polygonum lapathifolium	Polygonaceae
pasture rose	Rosa carolina	Rosaceae
pearly everlasting	Anaphalis margaritacea	Asteraceae
pencil flower	Stylosanthes biflora	Fabaceae
Pennsylvania bittercress	Cardamine pensylvanica	Brassicaceae
pignut hickory	Carya glabra	Juglandaceae
pink lady's slipper	Cypripedium acaule	Orchidaceae
pinxterbloom azalea	Rhododendron periclymenoides	Ericaceae
plantain-leaved pussytoes	Antennaria plantaginifolia	Asteraceae
pleatleaf knotweed	Polygonum tenue	Polygonaceae
poison hemlock	Conium maculatum	Apiaceae
poison ivy	Toxicodendron radicans	Anacardiaceae
poke milkweed	Asclepias exaltata	Asclepiadaceae
pokeweed	Phytolacca americana	Phytolaccaceae
pond cypress	Taxodium ascendens	Cupressaceae
porcelainberry	Ampelopsis brevipedunculata	Vitaceae
possumhaw	Viburnum nudum	Caprifoliaceae
prairie dropseed	Sporobolus heterolepis	Poaceae
prairie fleabane	Erigeron strigosus	Asteraceae
prairie violet	Viola pedatifida	Violaceae
prairie willow	Salix humilis	Salicaceae
primrose-leaved violet	Viola x primulifolia	Violaceae
purple clematis	Clematis occidentalis	Ranunculaceae
purple coneflower	Echinacea purpurea	Asteraceae
purple false foxglove	Agalinis purpurea	Scrophulariaceae
purple milkweed	Asclepias purpurascens	Asclepiadaceae
purple pitcherplant	Sarracenia purpurea	Sarraceniaceae
purple-flowering raspberry	Rubus odoratus	Rosaceae
purplehead sneezeweed	Helenium flexuosum	Asteraceae
quaking aspen	Populus tremuloides	Salicaceae
Queen Anne's lace	Daucus carota	Apiaceae
rabbit-foot clover	Trifolium arvense	Fabaceae
ramps	Allium tricoccum	Liliaceae
rattlesnakeweed	Hieracium venosum	Asteraceae
red chokeberry	Photinia pyrifolia	Rosaceae
red clover	Trifolium pratense	Fabaceae
red columbine	Aquilegia canadensis	Ranunculaceae
red elderberry	Sambucus racemosa	Caprifoliaceae
red maple	Acer rubrum	Aceraceae
red spruce	Picea rubens	Pinaceae
redosier dogwood	Cornus sericea	Cornaceae
rock sandwort	Minuartia michauxii	Caryophyllaceae
rose mallow	Hibiscus moscheutos	Malvaceae
rose pogonia	Pogonia ophioglossoides	Orchidaceae
rosebay rhododendron	Rhododendron maximum	Ericaceae
rosepink	Sabatia angularis	Gentianaceae
royal fern	Osmunda regalis	Osmundaceae
rue anemone	Thalictrum thalictroides	Ranunculaceae
rugosa rose	Rosa rugosa	Rosaceae
salad burnet	Sanguisorba minor	Rosaceae
sassafras	Sassafras albidum	Lauraceae
scaly blazing star	Liatris squarrosa	Asteraceae
seaside goldenrod	Solidago sempervirens	Asteraceae
sedge	Carex sp.	Cyperaceae
seedbox	Ludwigia alternifolia	Onagraceae
Seneca snakeroot	Polygala senega	Polygalaceae
sessile-leaved bellwort	Uvularia sessilifolia	Liliaceae
shagbark hickory	Carya ovata	Juglandaceae
shooting star	Dodecatheon meadia	Primulaceae
shortleaf pine	Pinus echinata	Pinaceae
showy aster	Eurybia spectabilis	Asteraceae
showy orchis	Galearis spectabilis	Orchidaceae
silver maple	Acer saccharinum	Aceraceae
skunk cabbage	Symplocarpus foetidus	Araceae
slender blue-eyed grass	Sisyrinchium mucronatum	Iridaceae
small cranberry	Vacciniun oxycoccos	Ericaceae
small green wood orchid	Platanthera clavellata	Orchidaceae
small skullcap	Scutellaria parvula	Lamiaceae
small white violet	Viola macloskeyi	Violaceae
small-flowered buttercup	Ranunculus abortivus	Ranunculaceae
smooth oxeye	Heliopsis helianthoides	Asteraceae
smooth rockcress	Arabis laevigata	Brassicaceae
smooth serviceberry	Amelanchier laevis	Rosaceae
smooth Solomon's seal	Polygonatum biflorum	Liliaceae
snow on the mountain	Euphorbia marginata	Euphorbiaceae
southern arrowwood	Viburnum dentatum	Caprifoliaceae
southern magnolia	Magnolia grandiflora	Magnoliaceae
southern wood violet	Viola hirsutula	Violaceae
spicebush	Lindera benzoin	Lauraceae
spoonleaf sundew	Drosera intermedia	Droseraceae
spotted beebalm	Monarda punctata	Lamiaceae
spotted deadnettle	Lamium maculatum	Lamiaceae
spreading dogbane	Apocynum androsaemifolium	Apocynaceae
spring beauty	Claytonia virginica	Portulacaceae
squirrel corn	Dicentra canadensis	Fumariaceae
staggerbush	Lyonia mariana	Ericaceae
striped maple	Acer pensylvanicum	Aceraceae
sugar maple	Acer saccharum	Aceraceae
sulphur cinquefoil	Potentilla recta	Rosaceae
summer grape	Vitis aestivalis	Vitaceae
summersweet	Clethra alnifolia	Clethraceae
swamp azalea	Rhododendron viscosum	Ericaceae
swamp bay	Persea palustris	Lauraceae
swamp candles	Lysimachia terrestris	Primulaceae
swamp chestnut oak	Quercus michauxii	Fagaceae
swamp milkweed	Asclepias incarnata	Asclepiadaceae
swamp rose	Rosa palustris	Rosaceae
swamp thistle	Cirsium muticum	Asteraceae
swee white violet	Viola blanda	Violaceae
sweet autumn clematis	Clematis terniflora	Ranunculaceae
sweet azalea	Rhododendron arborescens	Ericaceae
sweet everlasting	Pseudognaphalium obtusifolium	Asteraceae
sweetbay magnolia	Magnolia virginiana	Magnoliaceae
sweetgum	Liquidambar styraciflua	Hamamelidaceae
swollen bladderwort	Utricularia inflata	Lentibulariaceae
Table Mountain pine	Pinus pungens	Pinaceae
tall meadow rue	Thalictrum pubescens	Ranunculaceae
taperleaf water horehound	Lycopus rubellus	Lamiaceae
tassel rue	Trautvetteria caroliniensis	Ranunculaceae
tawny cottongrass	Eriophorum virginicum	Cyperaceae
thimbleweed	Anemone virginiana	Ranunculaceae
thinleaf sunflower	Helianthus decapetalus	Asteraceae
three-lobe violet	Viola triloba	Violaceae
toadshade	Trillium sessile	Liliaceae
trumpet creeper	Campsis radicans	Bignoniaceae
trumpet honeysuckle	Lonicera sempervirens	Caprifoliaceae
tuliptree	Liriodendron tulipifera	Magnoliaceae
twistedstalk	Streptopus lanceolatus	Liliaceae
umbrella magnolia	Magnolia tripetala	Magnoliaceae
Venus' looking-glass	Triodanis perfoliata	Campanulaceae
Venus' pride	Houstonia purpurea	Rubiaceae
Virginia bluebells	Mertensia virginica	Boraginaceae
Virginia marsh St. Johnswort	Triadenum virginicum	Clusiaceae
Virginia waterleaf	Hydrophyllum virginianum	Hydrophyllaceae
water parsnip	Sium suave	Apiaceae
water willow	Justicia americana	Acanthaceae
watercress	Nasturtium officinale	Brassicaceae
white ash	Fraxinus americana	Oleaceae
white avens	Geum canadense	Rosaceae
white bergamot	Monarda clinopodia	Lamiaceae
white clintonia	Clintonia umbellulata	Liliaceae
white hair leather flower	Clematis albicoma	Ranunculaceae
white oak	Quercus alba	Fagaceae
white snakeroot	Ageratina altissima	Asteraceae
white spruce	Picea glauca	Pinaceae
white trillium	Trillium grandiflorum	Liliaceae
white trout lily	Erythronium albidum	Liliaceae
whorled loosestrife	Lysimachia quadrifolia	Primulaceae
whorled rosinweed	Silphium trifoliatum	Asteraceae
wild bleeding heart	Dicentra eximia	Fumariaceae
wild blue phlox	Phlox divaricata	Polemoniaceae
wild calla	Calla palustris	Araceae
wild geranium	Geranium maculatum	Geraniaceae
wild ginger	Asarum canadense	Aristolochiaceae
wild lupine	Lupinus perennis	Fabaceae
wild pink	Silene caroliniana	Caryophyllaceae
wild potato vine	Ipomoea pandurata	Convolvulaceae
wild quinine	Parthenium integrifolium	Asteraceae
wild rice	Zizania aquatica	Poaceae
winged monkey flower	Mimulus alatus	Scrophulariaceae
winter heath	Erica carnea	Ericaceae
witch-hazel	Hamamelis virginiana	Hamamelidaceae
wood anemone	Anemone nemorosa	Ranunculaceae
wood lily	Lilium philadelphicum	Liliaceae
wood vetch	Vicia caroliniana	Fabaceae
woodland stonecrop	Sedum ternatum	Crassulaceae
woodland sunflower	Helianthus divaricatus	Asteraceae
woolly ragwort	Packera tomentosa	Asteraceae
yellow birch	Betula alleghaniensis	Betulaceae
yellow corydalis	Corydalis flavula	Fumariaceae
yellow false indigo	Baptisia tinctoria	Fabaceae
yellow iris	Iris pseudacorus	Iridaceae
yellow lady's slipper	Cypripedium parviflorum	Orchidaceae