| Family |
Taxon |
Common Name | Photographs |
| Alismataceae |
Sagittaria latifolia Willd. |
broad-leaved arrow-head, common arrow-head, duck-potato, wapato |
|
| Amaranthaceae |
Amaranthus albus L. |
prostrate pigweed, tumble pigweed, tumbleweed, tumbleweed amaranth, white amaranth |
|
| Apiaceae |
Cicuta maculata L. |
common water-hemlock, spotted water-hemlock |
|
| Apiaceae |
Oxypolis rigidior (L.) Raf. |
common water-dropwort, stiff cowbane |
|
| Araliaceae |
Aralia racemosa L. |
American spikenard, life-of-man |
|
| Asclepiadaceae |
Asclepias syriaca L. |
common milkweed, silkweed |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Asteraceae |
Ambrosia artemisiifolia L. |
annual bur-sage, common ragweed, short ragweed |
|
| Asteraceae |
Anthemis cotula L. |
dog-fennel, mayweed, stinking chamomile, stinking-cotula |
|
| Asteraceae |
Artemisia biennis Willd. |
biennial sage-wort, biennial wormwood |
|
| Asteraceae |
Aster lanceolatus Willd. |
eastern lined aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. var. simplex (Willd.) A.G.Jones |
branched panicled aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. X A. lateriflorus (L.) Britton |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. pilosus Willd. |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. puniceus L. |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Bidens coronata (L.) Britton |
northern tickseed-sunflower, tall swamp marigold |
|
| Asteraceae |
Bidens vulgata Greene |
big devil's beggar-ticks, tall beggar-ticks |
|
| Asteraceae |
Cichorium intybus L. |
blue-sailors, chicory |
|
| Asteraceae |
Cirsium arvense (L.) Scop. |
Canada thistle, creeping thistle, field thistle |
|
| Asteraceae |
Conyza canadensis (L.) Cronquist var. canadensis |
Canadian horseweed, fleabane, hogweed |
|
| Asteraceae |
Coreopsis palmata Nutt. |
finger tickseed, prairie coreopsis, prairie tickseed, stiff tickseed |
|
| Asteraceae |
Eupatorium rugosum Houtt. var. rugosum |
white snakeroot |
|
| Asteraceae |
Helianthus giganteus L. |
giant sunflower, swamp sunflower, tall sunflower |
|
| Asteraceae |
Heliopsis helianthoides (L.) Sweet |
false sunflower, ox-eye, sunflower-everlasting |
|
| Asteraceae |
Heliopsis helianthoides (L.) Sweet var. helianthoides |
false sunflower, ox-eye, smooth ox-eye, sunflower-everlasting |
|
| Asteraceae |
Hieracium aurantiacum L. |
devil's-paintbrush, grim-the-collier, orange hawkweed, red daisy |
|
| Asteraceae |
Solidago canadensis L. |
Canadian goldenrod, common goldenrod |
|
| Asteraceae |
Solidago canadensis L. var. hargeri Fernald |
Canadian goldenrod, Harger's goldenrod |
|
| Asteraceae |
Solidago speciosa Nutt. |
showy goldenrod |
|
| Asteraceae |
Solidago speciosa Nutt. var. rigidiuscula Torr. & A.Gray |
showy goldenrod |
|
| Asteraceae |
Taraxacum officinale Weber |
common dandelion |
|
| Betulaceae |
Alnus incana (L.) Moench subsp. rugosa (Du Roi) R.T.Clausen |
mountain alder, speckled alder, swamp alder |
|
| Betulaceae |
Betula pumila L. |
bog birch, dwarf birch, swamp birch |
|
| Brassicaceae |
Armoracia rusticana P.Gaertn., B.Mey. & Scherb. |
horseradish |
|
| Brassicaceae |
Berteroa incana (L.) DC. |
hoary false madwort, hoary-alyssum |
|
| Brassicaceae |
Cardamine pensylvanica Muhl. ex Willd. |
Pennsylvania bitter-cress |
|
| Brassicaceae |
Erysimum cheiranthoides L. |
worm-seed mustard, worm-seed wallflower |
|
| Brassicaceae |
Lepidium virginicum L. var. virginicum |
common peppergrass, poor-man's-pepper, Virginia pepper-weed |
|
| Brassicaceae |
Rorippa palustris (L.) Besser |
bog yellow-cress, common yellow-cress |
|
| Brassicaceae |
Rorippa palustris (L.) Besser subsp. hispida (Desv.) Jonsell |
hispid marsh-cress, hispid yellow-cress |
|
| Cactaceae |
Opuntia fragilis (Nutt.) Haw. |
brittle prickly-pear, fragile prickly-pear, little prickly-pear |
|
| Campanulaceae |
Campanula aparinoides Pursh |
marsh bellflower |
|
| Campanulaceae |
Campanula aparinoides Pursh var. aparinoides |
marsh bellflower |
|
| Caryophyllaceae |
Cerastium fontanum Baumg. emend Jalas subsp. vulgare (Hartm.) Greuter & Burdet |
big mouse-ear chickweed, common chickweed, common mouse-ear, mouse-ear chickweed |
|
| Caryophyllaceae |
Saponaria officinalis L. |
bouncing-bet, soapwort |
|
| Caryophyllaceae |
Silene latifolia Poir. |
bladder campion, white campion, white cockle |
|
| Cornaceae |
Cornus stolonifera Michx. |
red osier dogwood |
|
| Cyperaceae |
Bolboschoenus fluviatilis (Torr.) Soják |
river bulrush |
|