Montgomery County

Showing 551–600 of 748.

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  Quercus rubra L. Native QURU

  northern red oak · Fagaceae
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  Quercus velutina Lam. Native QUVE

  black oak · Fagaceae
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  Quercus ×leana Nutt. (pro sp.) [imbricaria × velutina] Native QULE

  hybrid oak · Fagaceae
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  Quercus ×runcinata (A. DC.) Engelm. [imbricaria × rubra] Native QURU3

  hybrid oak · Fagaceae
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  Ranunculus abortivus L. Native RAAB

  littleleaf buttercup · Ranunculaceae
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  Ranunculus acris L. Both RAAC3

  tall buttercup · Ranunculaceae
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  Ranunculus acris L. var. acris Introduced RAACA3

  showy buttercup · Ranunculaceae
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  Ranunculus ficaria L. Introduced RAFI

  fig buttercup · Ranunculaceae
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  Ranunculus ficaria L. var. bulbifera Marsden-Jones Introduced RAFIB

  fig buttercup · Ranunculaceae
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  Ranunculus hispidus Michx. Native RAHI

  bristly buttercup · Ranunculaceae
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  Ranunculus hispidus Michx. var. caricetorum (Greene) T. Duncan Native RAHIC

  bristly buttercup · Ranunculaceae
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  Ranunculus hispidus Michx. var. hispidus Native RAHIH

  bristly buttercup · Ranunculaceae
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  Ranunculus hispidus Michx. var. nitidus (Chapm.) T. Duncan Native RAHIN

  bristly buttercup · Ranunculaceae
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  Ranunculus micranthus Nutt. Native RAMI2

  rock buttercup · Ranunculaceae
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  Raphanus raphanistrum L. Introduced RARA2

  wild radish · Brassicaceae
• ⚘
  Raphanus sativus L. Introduced RASA2

  cultivated radish · Brassicaceae
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  Ratibida pinnata (Vent.) Barnhart Native RAPI

  pinnate prairie coneflower · Asteraceae
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  Rhamnus cathartica L. Introduced RHCA3

  common buckthorn · Rhamnaceae
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  Rhus aromatica Aiton Native RHAR4

  fragrant sumac · Anacardiaceae
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  Rhus aromatica Aiton var. aromatica Native RHARA2

  fragrant sumac · Anacardiaceae
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  Rhus glabra L. Native RHGL

  smooth sumac · Anacardiaceae
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  Ribes americanum Mill. Native RIAM2

  American black currant · Grossulariaceae
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  Ribes cynosbati L. Native RICY

  eastern prickly gooseberry · Grossulariaceae
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  Robinia pseudoacacia L. Native ROPS

  black locust · Fabaceae
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  Rorippa palustris (L.) Besser Native ROPA2

  bog yellowcress · Brassicaceae
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  Rorippa palustris (L.) Besser ssp. fernaldiana (Butters & Abbe) Jonsell Native ROPAF2

  Fernald's yellowcress · Brassicaceae
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  Rosa carolina L. Native ROCA4

  Carolina rose · Rosaceae
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  Rosa carolina L. var. carolina Native ROCAC

  Carolina rose · Rosaceae
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  Rosa palustris Marshall Native ROPA

  swamp rose · Rosaceae
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  Rosa rubiginosa L. Introduced RORU82

  sweetbriar rose · Rosaceae
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  Rosa setigera Michx. Native ROSE2

  climbing rose · Rosaceae
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  Rubus flagellaris Willd. Native RUFL

  northern dewberry · Rosaceae
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  Rubus occidentalis L. Native RUOC

  black raspberry · Rosaceae
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  Rudbeckia fulgida Aiton Native RUFU2

  orange coneflower · Asteraceae
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  Rudbeckia fulgida Aiton var. speciosa (Wender.) Perdue Native RUFUS3

  orange coneflower · Asteraceae
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  Rudbeckia fulgida Aiton var. umbrosa (C.L. Boynt. & Beadle) Cronquist Native RUFUU

  orange coneflower · Asteraceae
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  Rudbeckia hirta L. Native RUHI2

  blackeyed Susan · Asteraceae
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  Ruellia humilis Nutt. Native RUHU

  fringeleaf wild petunia · Acanthaceae
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  Ruellia strepens L. Native RUST2

  limestone wild petunia · Acanthaceae
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  Rumex acetosella L. Introduced RUAC3

  common sheep sorrel · Polygonaceae
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  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae
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  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae
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  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae
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  Rumex orbiculatus A. Gray Native RUOR2

  greater water dock · Polygonaceae
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  Rumex verticillatus L. Native RUVE3

  swamp dock · Polygonaceae
• 
  Sabatia angularis (L.) Pursh Native SAAN

  rosepink · Gentianaceae
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  Sagittaria latifolia Willd. Native SALA2

  broadleaf arrowhead · Alismataceae
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  Salix interior Rowlee Native SAIN3

  sandbar willow · Salicaceae
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  Salix purpurea L. Introduced SAPU2

  purpleosier willow · Salicaceae
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  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae