| Family |
Taxon |
Common Name | Photographs |
| Poaceae |
Phleum pratense L. subsp. pratense |
common timothy, timothy |
|
| Verbenaceae |
Phryma leptostachya L. |
American lop-seed |
|
| Rosaceae |
Physocarpus opulifolius (L.) Maxim. |
common ninebark |
|
| Rosaceae |
Physocarpus opulifolius (L.) Maxim. var. intermedius (Rydb.) B.L.Rob. |
ninebark |
|
| Pinaceae |
Pinus strobus L. |
eastern white pine |
|
| Plantaginaceae |
Plantago rugelii Decne. |
American plantain, black-seeded plantain, red-stalked plantain, Rugel's plantain |
|
| Polemoniaceae |
Polemonium reptans L. var. reptans |
Greek-valerian, spreading Jacob's-ladder |
|
| Liliaceae |
Polygonatum biflorum (Walter) Elliott |
giant Solomon's-seal, king Solomon's-seal, smooth Solomon's-seal, Solomon's-seal |
|
| Polygonaceae |
Polygonum achoreum S.F.Blake |
beak-seeded knotweed, leathery knotweed |
|
| Polygonaceae |
Polygonum aviculare L. |
common knotweed, prostrate knotweed |
|
| Polygonaceae |
Polygonum aviculare L. subsp. depressum (Meisn.) Arcang. |
door-yard knotweed, oval-leaved knotweed |
|
| Polypodiaceae |
Polypodium virginianum L. |
common polypody, rock-cap fern, rock polypody |
|
| Salicaceae |
Populus grandidentata Michx. |
big-tooth aspen, large-toothed aspen |
|
| Salicaceae |
Populus tremuloides Michx. |
aspen, quaking aspen |
|
| Rosaceae |
Potentilla norvegica L. |
Norwegian cinquefoil, rough cinquefoil, strawberry-weed |
|
| Rosaceae |
Potentilla simplex Michx. |
common cinquefoil, old-field five-fingers, old-field cinquefoil |
|
| Lamiaceae |
Prunella vulgaris L. |
heal-all, lawn prunella, self-heal |
|
| Lamiaceae |
Prunella vulgaris L. subsp. lanceolata (W.P.C.Barton) Hultén |
lance self-heal |
|
| Rosaceae |
Prunus serotina Ehrh. |
wild black cherry |
|
| Dennstaedtiaceae |
Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A.Heller |
bracken, bracken fern, eastern bracken fern |
|
| Lamiaceae |
Pycnanthemum virginianum (L.) T.Durand & B.D.Jacks. ex B.L.Rob. & Fernald |
common mountain mint, Virginia mountain mint |
|
| Fagaceae |
Quercus ellipsoidalis E.J.Hill |
Hill's oak, northern pin oak |
|
| Fagaceae |
Quercus rubra L. |
northern red oak |
|
| Ranunculaceae |
Ranunculus abortivus L. |
little-leaf buttercup, small-flowered buttercup |
|
| Ranunculaceae |
Ranunculus hispidus Michx. |
bristly buttercup, hispid buttercup, rough buttercup |
|
| Ranunculaceae |
Ranunculus hispidus Michx. var. nitidus (Chapm.) T.Duncan |
bristly buttercup, hispid buttercup, rough buttercup |
|
| Asteraceae |
Ratibida pinnata (Vent.) Barnhart |
globular coneflower, yellow coneflower |
|
| Rosaceae |
Rosa carolina L. |
Carolina rose, pasture rose |
|
| Rosaceae |
Rubus allegheniensis Porter ex L.H.Bailey |
Allegheny blackberry, common blackberry |
|
| Rosaceae |
Rubus allegheniensis Porter ex L.H.Bailey var. allegheniensis |
Allegheny blackberry, common blackberry |
|
| Rosaceae |
Rubus allegheniensis Porter ex L.H.Bailey X R. rosa L.H.Bailey |
|
|
| Rosaceae |
Rubus occidentalis L. |
black-cap, black raspberry |
|
| Asteraceae |
Rudbeckia hirta L. var. pulcherrima Farw. |
black-eyed Susan |
|
| Polygonaceae |
Rumex altissimus A.W.Wood |
pale dock, smooth dock, water dock |
|
| Polygonaceae |
Rumex crispus L. |
curly dock, sour dock |
|
| Caprifoliaceae |
Sambucus canadensis L. var. canadensis |
American elder, elderberry |
|
| Papaveraceae |
Sanguinaria canadensis L. |
bloodroot |
|
| Apiaceae |
Sanicula canadensis L. |
Canadian black snakeroot, Canadian sanicle |
|
| Apiaceae |
Sanicula gregaria E.P.Bicknell |
clustered black snakeroot |
|
| Caryophyllaceae |
Saponaria officinalis L. |
bouncing-bet, soapwort |
|
| Cyperaceae |
Scirpus atrovirens Willd. |
black bulrush, dark-green bulrush |
|
| Scrophulariaceae |
Scrophularia marilandica L. |
carpenter's-square, eastern figwort, late figwort |
|
| Lamiaceae |
Scutellaria ovata Hill subsp. ovata |
forest skullcap, heart-leaved skullcap |
|
| Poaceae |
Setaria viridis (L.) P.Beauv. |
green bristle grass, green foxtail |
|
| Caryophyllaceae |
Silene latifolia Poir. |
bladder campion, white campion, white cockle |
|
| Asteraceae |
Silphium laciniatum L. var. laciniatum |
compass-plant |
|
| Asteraceae |
Silphium perfoliatum L. var. perfoliatum |
cup-plant |
|
| Brassicaceae |
Sisymbrium officinale (L.) Scop. |
hedge-mustard |
|
| Solanaceae |
Solanum carolinense L. var. carolinense |
Carolina horse-nettle, horse-nettle |
|
| Solanaceae |
Solanum ptychanthum Dunal |
eastern black nightshade, West Indian nightshade |
|