Grayson County

Showing 751–800 of 963.

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  Rubus apogaeus L.H. Bailey Native RUAP

  falling dewberry · Rosaceae
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  Rubus trivialis Michx. Native RUTR

  southern dewberry · Rosaceae
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  Rudbeckia maxima Nutt. Native RUMA3

  great coneflower · Asteraceae
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  Ruellia humilis Nutt. Native RUHU

  fringeleaf wild petunia · Acanthaceae
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  Ruellia metziae Tharp Native RUME

  Metz's wild petunia · Acanthaceae
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  Ruellia strepens L. Native RUST2

  limestone wild petunia · Acanthaceae
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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 hastatulus Baldw. Native RUHA2

  heartwing sorrel · Polygonaceae
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  Rumex pulcher L. Introduced RUPU3

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

  rosepink · Gentianaceae
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  Sabatia campestris Nutt. Native SACA3

  Texas star · Gentianaceae
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  Sagina decumbens (Elliott) Torr. & A. Gray Native SADE

  trailing pearlwort · Caryophyllaceae
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  Sagina decumbens (Elliott) Torr. & A. Gray ssp. decumbens Native SADED

  trailing pearlwort · Caryophyllaceae
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  Sagittaria calycina Engelm. Native SACA21

  hooded arrowhead · Alismataceae
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  Sagittaria calycina Engelm. var. calycina Native SACAC

  hooded arrowhead · Alismataceae
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  Sagittaria latifolia Willd. Native SALA2

  broadleaf arrowhead · Alismataceae
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  Sagittaria montevidensis Cham. & Schltdl. Introduced SAMO

  giant arrowhead · Alismataceae
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  Sagittaria platyphylla (Engelm.) J.G. Sm. Native SAPL

  delta arrowhead · Alismataceae
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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
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  Salvia coccinea P.J. Buchoz ex Etlinger Native SACO5

  blood sage · Lamiaceae
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  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae
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  Sambucus nigra L. ssp. canadensis (L.) R. Bolli Native SANIC4

  American black elderberry · Caprifoliaceae
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  Samolus valerandi L. Both SAVA3

  seaside brookweed · Primulaceae
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  Samolus valerandi L. ssp. parviflorus (Raf.) Hultén Native SAVAP

  seaside brookweed · Primulaceae
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  Sanguisorba annua (Nutt. ex Hook.) Nutt. ex Torr. & A. Gray Native SAAN2

  prairie burnet · Rosaceae
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  Sanicula canadensis L. Native SACA15

  Canadian blacksnakeroot · Apiaceae
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  Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe Native SAOD

  clustered blacksnakeroot · Apiaceae
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  Sapindus saponaria L. Native SASA4

  wingleaf soapberry · Sapindaceae
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  Sapindus saponaria L. var. drummondii (Hook. & Arn.) L.D. Benson Native SASAD

  western soapberry · Sapindaceae
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  Scabiosa atropurpurea L. Introduced SCAT

  mourningbride · Dipsacaceae
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  Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

  tall fescue · Poaceae
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  Schizachyrium scoparium (Michx.) Nash Native SCSC

  little bluestem · Poaceae
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  Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve Native SCAC3

  hardstem bulrush · Cyperaceae
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  Schoenoplectus californicus (C.A. Mey.) Palla Native SCCA11

  California bulrush · Cyperaceae
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  Scirpus atrovirens Willd. Native SCAT2

  green bulrush · Cyperaceae
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  Scirpus georgianus Harper Native SCGE2

  Georgia bulrush · Cyperaceae
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  Scleria oligantha Michx. Native SCOL2

  littlehead nutrush · Cyperaceae
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  Sclerochloa dura (L.) P. Beauv. Introduced SCDU2

  common hardgrass · Poaceae
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  Scutellaria drummondii Benth. Native SCDR2

  Drummond's skullcap · Lamiaceae
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  Scutellaria drummondii Benth. var. edwardsiana B.L. Turner Native SCDRE

  Drummond's skullcap · Lamiaceae
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  Scutellaria parvula Michx. Native SCPA7

  small skullcap · Lamiaceae
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  Secale cereale L. Introduced SECE

  cereal rye · Poaceae
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  Sedum nuttallianum Raf. Native SENU

  yellow stonecrop · Crassulaceae
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  Sedum pulchellum Michx. Native SEPU

  widowscross · Crassulaceae
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  Senecio vulgaris L. Introduced SEVU

  old-man-in-the-Spring · Asteraceae