| Family |
Taxon |
Common Name | Photographs |
| Polygonaceae |
Persicaria maculosa Gray |
heart's-ease, spotted lady's-thumb |
|
| Polygonaceae |
Persicaria sagittata (L.) H.Gross |
arrow-leaved tear-thumb |
|
| Poaceae |
Phalaris arundinacea L. |
reed canary grass |
|
| Poaceae |
Phleum pratense L. subsp. pratense |
common timothy, timothy |
|
| Polemoniaceae |
Phlox pilosa L. |
downy phlox, prairie phlox |
|
| Polemoniaceae |
Phlox pilosa L. subsp. pilosa |
downy phlox, prairie phlox |
|
| Solanaceae |
Physalis virginiana Mill. var. virginiana |
lance-leaved ground-cherry, obedient plant, Virginia ground-cherry |
|
| Pinaceae |
Picea mariana (Mill.) Britton, Sterns & Poggenb. |
black spruce |
|
| Orchidaceae |
Platanthera huronensis (Nutt.) Lindl. |
Huron green orchid, tall nothern bog orchid |
|
| Poaceae |
Poa compressa L. |
Canada bluegrass, wiregrass |
|
| Poaceae |
Poa pratensis L. |
Kentucky bluegrass |
|
| Berberidaceae |
Podophyllum peltatum L. |
May-apple, wild mandrake |
|
| Orchidaceae |
Pogonia ophioglossoides (L.) Ker Gawl. |
adder's-mouth, rose pogonia, snakemouth orchid |
|
| Polygonaceae |
Polygonum aviculare L. |
common knotweed, prostrate knotweed |
|
| Salicaceae |
Populus balsamifera L. subsp. balsamifera |
balsam poplar, hackmatack |
|
| Salicaceae |
Populus deltoides Bartram ex Marshall subsp. monilifera (Aiton) Eckenw. |
plains cottonwood |
|
| Salicaceae |
Populus tremuloides Michx. |
aspen, quaking aspen |
|
| Potamogetonaceae |
Potamogeton friesii Rupr. |
Fries's pondweed |
|
| Potamogetonaceae |
Potamogeton gramineus L. |
grass-leaved pondweed, variable-leaved pondweed |
|
| Potamogetonaceae |
Potamogeton illinoensis Morong |
Illinois pondweed |
|
| Potamogetonaceae |
Potamogeton richardsonii (A.Benn.) Rydb. |
Richardson's pondweed |
|
| Potamogetonaceae |
Potamogeton zosteriformis Fernald |
flat-stem pondweed, flat-stemmed pondweed |
|
| Rosaceae |
Potentilla argentea L. |
silvery cinquefoil, silvery five-fingers |
|
| Rosaceae |
Potentilla norvegica L. |
Norwegian cinquefoil, rough cinquefoil, strawberry-weed |
|
| Rosaceae |
Potentilla recta L. |
rough-fruited cinquefoil, sulphur cinquefoil, sulphur five-fingers |
|
| Rosaceae |
Potentilla simplex Michx. |
common cinquefoil, old-field five-fingers, old-field cinquefoil |
|
| Asteraceae |
Prenanthes alba L. |
lion's-foot, rattlesnake-root, white-lettuce |
|
| 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 |
|
| Pyrolaceae |
Pyrola elliptica Nutt. |
elliptic shin-leaf, large-leaved shin-leaf, wax-flower shin-leaf |
|
| Ranunculaceae |
Ranunculus abortivus L. |
little-leaf buttercup, small-flowered buttercup |
|
| Ranunculaceae |
Ranunculus acris L. |
common buttercup, blister plant, meadow buttercup, tall buttercup |
|
| Ranunculaceae |
Ranunculus aquatilis L. var. diffusus With. |
white water crowfoot |
|
| Ranunculaceae |
Ranunculus hispidus Michx. |
bristly buttercup, hispid buttercup, rough buttercup |
|
| Ranunculaceae |
Ranunculus hispidus Michx. var. caricetorum (Greene) T.Duncan |
bristly buttercup, hispid buttercup, rough buttercup |
|
| Ranunculaceae |
Ranunculus sceleratus L. |
celery-leaf buttercup, cursed crowfoot |
|
| Brassicaceae |
Rorippa palustris (L.) Besser |
bog yellow-cress, common yellow-cress |
|
| Brassicaceae |
Rorippa palustris (L.) Besser subsp. fernaldiana (Butters & Abbe) Jonsell |
Fernald's yellow-cress, marsh-cress |
|
| Rosaceae |
Rubus hispidus L. |
bristly dewberry, swamp dewberry |
|
| Rosaceae |
Rubus pubescens Raf. |
dwarf red raspberry |
|
| Asteraceae |
Rudbeckia hirta L. var. pulcherrima Farw. |
black-eyed Susan |
|
| Polygonaceae |
Rumex acetosella L. |
common sheep sorrel, field sorrel, red sorrel, sheep sorrel |
|
| Polygonaceae |
Rumex britannica L. |
great water dock |
|
| Polygonaceae |
Rumex crispus L. |
curly dock, sour dock |
|
| Alismataceae |
Sagittaria cristata Engelm. |
crested arrow-head |
|
| Alismataceae |
Sagittaria latifolia Willd. |
broad-leaved arrow-head, common arrow-head, duck-potato, wapato |
|
| Alismataceae |
Sagittaria rigida Pursh |
sessile-fruited arrow-head, stiff arrow-head |
|
| Salicaceae |
Salix amygdaloides Andersson |
peach-leaved willow |
|