| Family |
Taxon |
Common Name | Photographs |
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Scrophulariaceae |
Agalinis paupercula (A.Gray) Britton |
small-flowered false foxglove, smooth false foxglove |
|
| Scrophulariaceae |
Agalinis paupercula (A.Gray) Britton var. borealis Pennell |
small-flowered false foxglove, smooth false foxglove |
|
| Alismataceae |
Alisma triviale Pursh |
northern water-plantain |
|
| Fabaceae |
Amphicarpaea bracteata (L.) Fernald |
American hog-peanut, hog-peanut |
|
| Ranunculaceae |
Anemone quinquefolia L. var. quinquefolia |
nightcaps, wood anemone |
|
| Asteraceae |
Antennaria howellii Greene |
Howell's pussy-toes |
|
| Asteraceae |
Antennaria howellii Greene subsp. neodioica (Greene) R.J.Bayer |
field pussy-toes, Howell's pussy-toes |
|
| Asteraceae |
Aster ciliolatus Lindl. |
Lindley's aster, northern heart-leaved aster |
|
| Asteraceae |
Aster lanceolatus Willd. |
eastern lined aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. var. lanceolatus |
eastern lined aster, marsh 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 |
Aster lateriflorus (L.) Britton |
calico aster, goblet aster, side-flowering aster |
|
| Asteraceae |
Aster lateriflorus (L.) Britton var. lateriflorus |
calico aster, goblet aster, side-flowering aster |
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. ontarionis Wiegand |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. oolentangiensis Riddell |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. puniceus L. |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Aster macrophyllus L. |
big-leaved aster, large-leaved aster |
|
| Asteraceae |
Aster puniceus L. |
bristly aster, purple-stem aster, swamp aster |
|
| Dryopteridaceae |
Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson |
common lady fern, lady fern, northeastern lady fern, northern lady fern |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Bidens connata Muhl. ex Willd. |
purple-stem beggar-ticks, purple-stemmed tickseed |
|
| Asteraceae |
Bidens discoidea (Torr. & A.Gray) Britton |
few-bracted beggar-ticks, swamp beggar-ticks |
|
| Asteraceae |
Bidens frondosa L. |
common beggar-ticks, devil's beggar-ticks |
|
| Cabombaceae |
Brasenia schreberi J.F.Gmel. |
water-shield |
|
| Poaceae |
Bromus inermis Leyss. |
Hungarian brome, smooth brome |
|
| Poaceae |
Calamagrostis canadensis (Michx.) P.Beauv. |
blue-joint grass |
|
| Poaceae |
Calamagrostis canadensis (Michx.) P.Beauv. var. canadensis |
big reed grass, blue-joint grass |
|
| Callitrichaceae |
Callitriche palustris L. |
common water-starwort, vernal water-starwort |
|
| Ranunculaceae |
Caltha palustris L. |
cowslip, marsh-marigold, yellow marsh-marigold |
|
| Campanulaceae |
Campanula persicifolia L. |
peach-leaved bellflower |
|
| Brassicaceae |
Capsella bursa-pastoris (L.) Medik. |
shepherd's-purse |
|
| Cyperaceae |
Carex crawfordii Fernald |
Crawford's oval sedge, Crawford's sedge |
|
| Cyperaceae |
Carex lupulina Willd. |
common hop sedge, hop sedge |
|
| Cyperaceae |
Carex retrorsa Schwein. |
deflexed bottlebrush sedge, knot-sheath sedge, retrorse sedge |
|
| Cyperaceae |
Carex scoparia Schkuhr ex Willd. var. scoparia |
broom sedge, lance-fruited oval sedge |
|
| Cyperaceae |
Carex tuckermanii Dewey |
bent-seeded hop sedge, Tuckerman's sedge |
|
| Cyperaceae |
Carex utriculata Boott |
common yellow lake sedge, Northwest Territory sedge |
|
| Ceratophyllaceae |
Ceratophyllum demersum L. |
coon's-tail, hornwort |
|
| Ceratophyllaceae |
Ceratophyllum echinatum A.Gray |
prickly hornwort, spiny hornwort |
|
| Chenopodiaceae |
Chenopodium album L. |
common lamb's-quarters, lamb's-quarters, pigweed |
|
| Saxifragaceae |
Chrysosplenium americanum Schwein. ex Hook. |
American golden saxifrage |
|
| Apiaceae |
Cicuta bulbifera L. |
bulblet water-hemlock |
|
| Apiaceae |
Cicuta maculata L. |
common water-hemlock, spotted water-hemlock |
|
| Cornaceae |
Cornus canadensis L. |
bunchberry, bunchberry dogwood, dwarf cornel |
|