Weed Herbarium – by Scientific Name
Phragmites communis | see - Phragmites australis | |
Phragmites australis | common reed | Poaceae (Graminae) - Grass Family |
Phytolacca americana | common pokeweed | Phytolaccaceae - Pokeweed Family |
Pilea pumila | clearweed | Urticaceae - Nettle Family |
Plantago lanceolata | narrowleaf plantain | Plantaginaceae - Plantain Family |
Plantago major | broadleaf plantain | Plantaginaceae - Plantain Family |
Poa annua | annual bluegrass | Poaceae (Graminae) - Grass Family |
Poa bulbosa | bulbous bluegrass | Poaceae (Graminae) - Grass Family |
Polygonum virginianum | see - Tovara virginiana | |
Polygonum arifolium | Halberd-leaved tearthumb | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum aviculare | prostrate knotweed | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum cilinode | black fringed knotweed | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum convolvulus | wild buckwheat | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum cuspidatum | Japanese knotweed | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum pensylvanicum | Pennsylvania smartweed | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum persicaria | lady's thumb smartweed | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum sachalinense | giant knotweed | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum sagittatum | arrowleaf tear-thumb | Polygonaceae - Smartweed or Buckwheat Family |
Polygonum scandens | hedge smartweed | Polygonaceae - Smartweed or Buckwheat Family |
Portulaca oleracea | common purslane | Portulacaceae - Purslane Family |
Potentilla argentea | silvery cinquefoil | Rosaceae - Rose Family |
Potentilla norvegica | rough cinquefoil | Rosaceae - Rose Family |
Potentilla recta | sulfur cinquefoil | Rosaceae - Rose Family |
Potentilla simplex | old field cinquefoil | Rosaceae - Rose Family |
Prunella vulgaris | heal-all | Lamiaceae (Labiatae) - Mint Family |
Pteridium aquilinum | bracken fern | Polypodiaceae - Fern Family |
Pueraria lobata | see - Pueraria montana | |
Pueraria montana | kudzu | Fabaceae (Leguminosae) - Pea or Bean Family |
Ranunculus abortivus | smallflower buttercup | Ranunculaceae - Buttercup Family |
Ranunculus acris | tall buttercup | Ranunculaceae - Buttercup Family |
Ranunculus bulbosus | bulbous buttercup | Ranunculaceae - Buttercup Family |
Ranunculus ficaria | lesser celadine | Ranunculaceae - Buttercup Family |
Ranunculus repens | creeping buttercup | Ranunculaceae - Buttercup Family |
Raphanus raphanistrum | wild radish | Brassicaceae (Cruciferae) - Mustard Family |
Rhinanthus crista-galli | see - Rhinanthus minor | |
Rhinanthus minor | yellow-rattle | Scrophulariaceae - Figwort Family |
Rhus radicans | see - Toxicodendron radicans | |
Rhus glabra | smooth sumac | Anacardiaceae - Cashew Family |
Rhus typhina | staghorn sumac | Anacardiaceae - Cashew Family |
Robinia hispida | bristly locust | Fabaceae (Leguminosae) - Pea or Bean Family |
Rorippa palustris | marsh yellowcress | Brassicaceae (Cruciferae) - Mustard Family |
Rorippa x prostrata | prostrate fieldcress | Brassicaceae (Cruciferae) - Mustard Family |
Rosa multiflora | multiflora rose | Rosaceae - Rose Family |
Rubus odoratus | purple-flowering raspberry | Rosaceae - Rose Family |
Rubus phoenicolasius | wine raspberry wineberry | Rosaceae - Rose Family |
Rudbeckia hirta | black-eyed susan | Asteraceae (Compositae) - Aster or Sunflower Family |
Rumex acetosella | red sorrel | Polygonaceae - Smartweed or Buckwheat Family |
Rumex crispus | curly dock | Polygonaceae - Smartweed or Buckwheat Family |
Rumex obtusifolius | broadleaf dock | Polygonaceae - Smartweed or Buckwheat Family |
Sagina procumbens | birdseye pearlwort | Caryophyllaceae - Pink Family |