Index / States / District of Columbia
§1State listing — Mid-Atlantic
District of Columbia
a regional flora of 1 counties
- State code
- DC · FIPS 11
- Taxa recorded
- 2,368
- Counties
- 1
§2Counties
Drill down to a county
§3Catalogue
All taxa recorded in District of Columbia
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Showing 1,401–1,450 of 1,765 (native).
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Rudbeckia triloba L. var. triloba Native RUTRTbrowneyed Susan · Asteraceae 1 county -
Ruellia caroliniensis (J.F. Gmel.) Steud. Native RUCA4Carolina wild petunia · Acanthaceae 1 county - Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. caroliniensis Native RUCAC2Carolina wild petunia · Acanthaceae 1 county
- Ruellia caroliniensis (J.F. Gmel.) Steud. ssp. caroliniensis var. caroliniensis Native RUCAC4Carolina wild petunia · Acanthaceae 1 county
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Ruellia strepens L. Native RUST2limestone wild petunia · Acanthaceae 1 county -
Rumex altissimus Alph. Wood Native RUAL4pale dock · Polygonaceae 1 county -
Rumex verticillatus L. Native RUVE3swamp dock · Polygonaceae 1 county -
Ruppia maritima L. Native RUMA5widgeongrass · Ruppiaceae 1 county -
Sabatia angularis (L.) Pursh Native SAANrosepink · Gentianaceae 1 county -
Saccharum alopecuroides (L.) Nutt. Native SAAL21silver plumegrass · Poaceae 1 county -
Saccharum giganteum (Walter) Pers. Native SAGIsugarcane plumegrass · Poaceae 1 county -
Sagina decumbens (Elliott) Torr. & A. Gray Native SADEtrailing pearlwort · Caryophyllaceae 1 county - Sagina decumbens (Elliott) Torr. & A. Gray ssp. decumbens Native SADEDtrailing pearlwort · Caryophyllaceae 1 county
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Sagittaria australis (J.G. Sm.) Small Native SAAU2longbeak arrowhead · Alismataceae 1 county -
Sagittaria calycina Engelm. Native SACA21hooded arrowhead · Alismataceae 1 county - Sagittaria calycina Engelm. var. calycina Native SACAChooded arrowhead · Alismataceae 1 county
- Sagittaria calycina Engelm. var. spongiosa Native SACAShooded arrowhead · Alismataceae 1 county
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Sagittaria graminea Michx. Native SAGRgrassy arrowhead · Alismataceae 1 county - Sagittaria graminea Michx. var. graminea Native SAGRGgrassy arrowhead · Alismataceae 1 county
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Sagittaria latifolia Willd. Native SALA2broadleaf arrowhead · Alismataceae 1 county -
Sagittaria rigida Pursh Native SARIsessilefruit arrowhead · Alismataceae 1 county -
Sagittaria subulata (L.) Buchenau Native SASUawl-leaf arrowhead · Alismataceae 1 county -
Salix caroliniana Michx. Native SACA5coastal plain willow · Salicaceae 1 county -
Salix eriocephala Michx. Native SAERMissouri River willow · Salicaceae 1 county -
Salix humilis Marshall Native SAHU2prairie willow · Salicaceae 1 county - Salix humilis Marshall var. humilis Native SAHUHprairie willow · Salicaceae 1 county
- Salix humilis Marshall var. tristis (Aiton) Griggs Native SAHUTprairie willow · Salicaceae 1 county
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Salix interior Rowlee Native SAIN3sandbar willow · Salicaceae 1 county -
Salix nigra Marshall Native SANIblack willow · Salicaceae 1 county -
Salix sericea Marshall Native SASEsilky willow · Salicaceae 1 county -
Salvia lyrata L. Native SALY2lyreleaf sage · Lamiaceae 1 county -
Salvia urticifolia L. Native SAURnettleleaf sage · Lamiaceae 1 county -
Sambucus nigra L. ssp. canadensis (L.) R. Bolli Native SANIC4American black elderberry · Caprifoliaceae 1 county -
Samolus valerandi L. ssp. parviflorus (Raf.) Hultén Native SAVAPseaside brookweed · Primulaceae 1 county -
Sanguinaria canadensis L. Native SACA13bloodroot · Papaveraceae 1 county -
Sanguisorba canadensis L. Native SACA14Canadian burnet · Rosaceae 1 county -
Sanicula canadensis L. Native SACA15Canadian blacksnakeroot · Apiaceae 1 county - Sanicula canadensis L. var. canadensis Native SACAC2Canadian blacksnakeroot · Apiaceae 1 county
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Sanicula marilandica L. Native SAMA2Maryland sanicle · Apiaceae 1 county -
Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe Native SAODclustered blacksnakeroot · Apiaceae 1 county -
Sarracenia purpurea L. Native SAPU4purple pitcherplant · Sarraceniaceae 1 county - Sarracenia purpurea L. ssp. purpurea var. purpurea Native SAPUP6northern purple pitcherplant · Sarraceniaceae 1 county
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Sassafras albidum (Nutt.) Nees Native SAAL5sassafras · Lauraceae 1 county -
Saururus cernuus L. Native SACElizard's tail · Saururaceae 1 county -
Saxifraga virginiensis Michx. Native SAVI5early saxifrage · Saxifragaceae 1 county - Saxifraga virginiensis Michx. var. virginiensis Native SAVIVearly saxifrage · Saxifragaceae 1 county
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Schizachyrium scoparium (Michx.) Nash Native SCSClittle bluestem · Poaceae 1 county - Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCSlittle bluestem · Poaceae 1 county
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Schoenoplectiella purshiana (Fernald) Lye Native SCPU14weakstalk bulrush · Cyperaceae 1 county -
Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller Native SCAM6chairmaker's bulrush · Cyperaceae 1 county