| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer negundo L. |
ash-leaved maple, box elder |
|
| Aceraceae |
Acer negundo L. var. negundo |
box elder |
|
| Aceraceae |
Acer saccharinum L. |
silver maple, soft maple |
|
| Aceraceae |
Acer saccharum Marshall var. saccharum |
hard maple, sugar maple |
|
| Anacardiaceae |
Rhus glabra L. |
smooth sumac |
|
| Anacardiaceae |
Rhus hirta (L.) Sudw. |
staghorn sumac, velvet sumac |
|
| Apiaceae |
Heracleum lanatum Michx. |
American cow-parsnip |
|
| Apiaceae |
Osmorhiza claytonii (Michx.) C.B.Clarke |
bland sweet cicely, Clayton's sweet-root, hairy sweet cicely |
|
| Apiaceae |
Sanicula marilandica L. |
black snakeroot, Maryland sanicle |
|
| Apiaceae |
Zizia aptera (A.Gray) Fernald |
heart-leaved golden alexanders, heart-leaved meadow-parsnip |
|
| Apiaceae |
Zizia aurea (L.) W.D.J.Koch |
common golden alexanders, golden alexanders, golden zizia |
|
| Araceae |
Arisaema triphyllum (L.) Schott subsp. triphyllum |
Indian turnip, Jack-in-the-pulpit |
|
| Araceae |
Symplocarpus foetidus (L.) Salisb. ex W.P.C.Barton |
skunk-cabbage |
|
| Araliaceae |
Aralia racemosa L. |
American spikenard, life-of-man |
|
| Asteraceae |
Antennaria howellii Greene |
Howell's pussy-toes |
|
| Asteraceae |
Antennaria howellii Greene subsp. petaloidea (Fernald) R.J.Bayer |
Howell's pussy-toes, small pussy-toes |
|
| Asteraceae |
Aster cordifolius L. |
common blue heart-leaved aster, common blue wood aster |
|
| Asteraceae |
Erigeron philadelphicus L. |
common fleabane, marsh fleabane, Philadelphia daisy |
|
| Asteraceae |
Eupatorium rugosum Houtt. var. rugosum |
white snakeroot |
|
| Asteraceae |
Euthamia gymnospermoides Greene |
Great Plains flat-topped goldenrod, Texas goldentop, viscid grass-leaved goldenrod |
|
| Asteraceae |
Galinsoga quadriradiata Ruiz & Pav. |
common quick-weed, Peruvian-daisy, quick-weed, shaggy-soldier |
|
| Asteraceae |
Helianthus decapetalus L. |
forest sunflower, pale sunflower, thin-leaved sunflower |
|
| Asteraceae |
Heliopsis helianthoides (L.) Sweet |
false sunflower, ox-eye, sunflower-everlasting |
|
| Asteraceae |
Heliopsis helianthoides (L.) Sweet var. scabra (Dunal) Fernald |
false sunflower, ox-eye, sunflower-everlasting |
|
| Asteraceae |
Krigia biflora (Walter) S.F.Blake |
false-dandelion, orange dwarf-dandelion |
|
| Asteraceae |
Krigia biflora (Walter) S.F.Blake subsp. biflora |
false-dandelion, orange dwarf-dandelion |
|
| Asteraceae |
Lactuca serriola L. |
compass-plant, prickly lettuce |
|
| Asteraceae |
Packera aurea (L.) A.Löve & D.Löve |
golden ragwort, heart-leaved groundsel |
|
| Asteraceae |
Polymnia canadensis L. |
pale-flowered leaf-cup, white-flowered leaf-cup |
|
| Asteraceae |
Solidago canadensis L. |
Canadian goldenrod, common goldenrod |
|
| Asteraceae |
Solidago canadensis L. var. hargeri Fernald |
Canadian goldenrod, Harger's goldenrod |
|
| Asteraceae |
Solidago flexicaulis L. |
broad-leaved goldenrod, zigzag goldenrod |
|
| Asteraceae |
Sonchus oleraceus L. |
common sow-thistle, field sow-thistle |
|
| Asteraceae |
Taraxacum officinale Weber |
common dandelion |
|
| Berberidaceae |
Caulophyllum thalictroides (L.) Michx. |
blue cohosh, papoose-root, squaw-root |
|
| Berberidaceae |
Podophyllum peltatum L. |
May-apple, wild mandrake |
|
| Betulaceae |
Betula papyrifera Marshall |
canoe birch, paper birch, white birch |
|
| Betulaceae |
Betula pendula Roth |
European white birch, weeping birch |
|
| Betulaceae |
Corylus cornuta Marshall subsp. cornuta |
beaked hazelnut |
|
| Betulaceae |
Ostrya virginiana (Mill.) K.Koch |
eastern hop-hornbeam, ironwood |
|
| Boraginaceae |
Lithospermum canescens (Michx.) Lehm. |
hoary puccoon |
|
| Brassicaceae |
Barbarea vulgaris R.Br. |
garden yellow-rocket, winter-cress, yellow-rocket |
|
| Brassicaceae |
Cardamine concatenata (Michx.) O.Schwarz |
cut-leaved toothwort, five-parted toothwort |
|
| Brassicaceae |
Cardamine douglassii (Torr.) Britton |
limestone bitter-cress, purple spring-cress |
|
| Campanulaceae |
Campanula rotundifolia L. |
bluebell, bluebell bellflower, harebell |
|
| Caprifoliaceae |
Diervilla lonicera Mill. |
northern bush-honeysuckle |
|
| Caprifoliaceae |
Lonicera dioica L. |
limber honeysuckle, mountain honeysuckle, red honeysuckle |
|
| Caprifoliaceae |
Lonicera dioica L. var. dioica |
limber honeysuckle, mountain honeysuckle, red honeysuckle |
|
| Caprifoliaceae |
Sambucus canadensis L. var. canadensis |
American elder, elderberry |
|
| Caryophyllaceae |
Minuartia dawsonensis (Britton) House |
northern rock sandwort, rock stitchwort |
|