Roberts County

Showing 251–300 of 364.

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  Pediomelum cuspidatum (Pursh) Rydb. Native PECU3

  largebract Indian breadroot · Fabaceae
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  Pediomelum linearifolium (Torr. & A. Gray) J. Grimes Native PELI10

  narrowleaf Indian breadroot · Fabaceae
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  Pennisetum glaucum (L.) R. Br. Introduced PEGL2

  pearl millet · Poaceae
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  Penstemon albidus Nutt. Native PEAL2

  white penstemon · Scrophulariaceae
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  Penstemon fendleri Torr. & A. Gray Native PEFE

  Fendler's penstemon · Scrophulariaceae
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  Physalis cinerascens (Dunal) Hitchc. Native PHCI4

  smallflower groundcherry · Solanaceae
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  Physalis cinerascens (Dunal) Hitchc. var. cinerascens Native PHCIC3

  smallflower groundcherry · Solanaceae
• ⚘
  Physalis hispida (Waterf.) Cronquist Native PHHI8

  prairie groundcherry · Solanaceae
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  Physalis longifolia Nutt. Native PHLO4

  longleaf groundcherry · Solanaceae
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  Physalis longifolia Nutt. var. longifolia Native PHLOL3

  longleaf groundcherry · Solanaceae
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  Poa arida Vasey Native POAR3

  plains bluegrass · Poaceae
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  Polanisia dodecandra (L.) DC. Native PODO3

  redwhisker clammyweed · Capparaceae
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  Polanisia dodecandra (L.) DC. ssp. trachysperma (Torr. & A. Gray) Iltis Native PODOT

  sandyseed clammyweed · Capparaceae
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  Polygala alba Nutt. Native POAL4

  white milkwort · Polygalaceae
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  Polygonum arenastrum Jord. ex Boreau Introduced POAR11

  oval-leaf knotweed · Polygonaceae
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  Polygonum aviculare L. Introduced POAV

  prostrate knotweed · Polygonaceae
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  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae
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  Polygonum pensylvanicum L. Native POPE2

  Pennsylvania smartweed · Polygonaceae
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  Polygonum ramosissimum Michx. Native PORA3

  bushy knotweed · Polygonaceae
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  Polypogon monspeliensis (L.) Desf. Introduced POMO5

  annual rabbitsfoot grass · Poaceae
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  Pomaria jamesii (Torr. & A. Gray) Walp. Native POJA5

  James' holdback · Fabaceae
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  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae
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  Populus deltoides W. Bartram ex Marshall ssp. monilifera (Aiton) Eckenwalder Native PODEM

  plains cottonwood · Salicaceae
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  Proboscidea louisianica (Mill.) Thell. Native PRLO

  ram's horn · Pedaliaceae
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  Prosopis glandulosa Torr. Native PRGL2

  honey mesquite · Fabaceae
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  Prunus angustifolia Marshall Native PRAN3

  Chickasaw plum · Rosaceae
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  Prunus virginiana L. Native PRVI

  chokecherry · Rosaceae
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  Prunus virginiana L. var. demissa (Nutt.) Torr. Native PRVID

  western chokecherry · Rosaceae
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  Psilostrophe tagetina (Nutt.) Greene Native PSTA

  woolly paperflower · Asteraceae
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  Psilostrophe tagetina (Nutt.) Greene var. cerifera (A. Nelson) B.L. Turner Native PSTAC

  woolly paperflower · Asteraceae
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  Ptelea trifoliata L. Native PTTR

  common hoptree · Rutaceae
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  Ptelea trifoliata L. ssp. trifoliata Native PTTRT

  common hoptree · Rutaceae
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  Ptelea trifoliata L. ssp. trifoliata var. mollis Torr. & A. Gray Native PTTRM

  common hoptree · Rutaceae
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  Pyrrhopappus grandiflorus (Nutt.) Nutt. Native PYGR2

  tuberous desert-chicory · Asteraceae
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  Quincula lobata (Torr.) Raf. Native QULO2

  Chinese lantern · Solanaceae
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  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
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  Rayjacksonia annua (Rydb.) R.L. Hartm. & M.A. Lane Native RAAN2

  viscid tansyaster · Asteraceae
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  Redfieldia flexuosa (Thurb.) Vasey Native REFL

  blowout grass · Poaceae
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  Reverchonia arenaria A. Gray Native REAR

  sand reverchonia · Euphorbiaceae
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  Rhus aromatica Aiton Native RHAR4

  fragrant sumac · Anacardiaceae
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  Rhus aromatica Aiton var. serotina (Greene) Rehder Native RHARS

  fragrant sumac · Anacardiaceae
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  Rhus trilobata Nutt. Native RHTR

  skunkbush sumac · Anacardiaceae
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  Rhus trilobata Nutt. var. pilosissima Engelm. Native RHTRP

  pubescent skunkbush sumac · Anacardiaceae
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  Rorippa sinuata (Nutt.) Hitchc. Native ROSI2

  spreading yellowcress · Brassicaceae
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  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae
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  Salix exigua Nutt. Native SAEX

  narrowleaf willow · Salicaceae
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  Salix nigra Marshall Native SANI

  black willow · Salicaceae
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  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae
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  Salvia azurea Michx. ex Lam. Native SAAZ

  azure blue sage · Lamiaceae
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  Salvia azurea Michx. ex Lam. var. grandiflora Benth. Native SAAZG

  pitcher sage · Lamiaceae