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 451–500 of 580 (introduced).
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Salix alba L. Introduced SAAL2white willow · Salicaceae 1 county -
Salix cinerea L. Introduced SACIlarge gray willow · Salicaceae 1 county - Salix fragilis L. Introduced SAFRcrack willow · Salicaceae 1 county
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Salix pentandra L. Introduced SAPE4laurel willow · Salicaceae 1 county -
Salix purpurea L. Introduced SAPU2purpleosier willow · Salicaceae 1 county - Salix ×rubens Schrank (pro sp.) [alba × fragilis] Introduced SARU3hybrid crack willow · Salicaceae 1 county
- Salix ×sepulcralis Simonkai [alba × babylonica] Introduced SASE10weeping willow · Salicaceae 1 county
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Salsola kali L. Introduced SAKARussian thistle · Chenopodiaceae 1 county - Salsola kali L. ssp. pontica (Pall.) Mosyakin Introduced SAKAPRussian thistle · Chenopodiaceae 1 county
- Salsola tragus L. Introduced SATR12prickly Russian thistle · Chenopodiaceae 1 county
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Salvinia molesta Mitchell Introduced SAMO5kariba-weed · Salviniaceae 1 county -
Saponaria officinalis L. Introduced SAOF4bouncingbet · Caryophyllaceae 1 county -
Scandix pecten-veneris L. Introduced SCPEshepherdsneedle · Apiaceae 1 county -
Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7tall fescue · Poaceae 1 county -
Schedonorus pratensis (Huds.) P. Beauv. Introduced SCPR4meadow fescue · Poaceae 1 county -
Scilla siberica Andrews Introduced SCSI2Siberian squill · Liliaceae 1 county -
Scleranthus annuus L. Introduced SCAN2German knotgrass · Caryophyllaceae 1 county -
Secale cereale L. Introduced SECEcereal rye · Poaceae 1 county -
Securigera varia (L.) Lassen Introduced SEVA4crownvetch · Fabaceae 1 county -
Senecio vulgaris L. Introduced SEVUold-man-in-the-Spring · Asteraceae 1 county -
Seseli libanotis (L.) W.D.J. Koch Introduced SELI2mooncarrot · Apiaceae 1 county -
Setaria faberi Herrm. Introduced SEFAJapanese bristlegrass · Poaceae 1 county -
Setaria italica (L.) P. Beauv. Introduced SEITfoxtail millet · Poaceae 1 county -
Setaria pumila (Poir.) Roem. & Schult. Introduced SEPU8yellow foxtail · Poaceae 1 county -
Setaria verticillata (L.) P. Beauv. Introduced SEVE3hooked bristlegrass · Poaceae 1 county - Setaria verticilliformis Dunart. Introduced SEVE5barbed bristlegrass · Poaceae 1 county
- Setaria viridis (L.) P. Beauv. Introduced SEVI4green bristlegrass · Poaceae 1 county
- Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIVgreen bristlegrass · Poaceae 1 county
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Sherardia arvensis L. Introduced SHAR2blue fieldmadder · Rubiaceae 1 county -
Silene armeria L. Introduced SIARsweet William silene · Caryophyllaceae 1 county -
Silene latifolia Poir. Introduced SILA21bladder campion · Caryophyllaceae 1 county - Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet Introduced SILAA3bladder campion · Caryophyllaceae 1 county
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Silene noctiflora L. Introduced SINOnightflowering silene · Caryophyllaceae 1 county -
Silybum marianum (L.) Gaertn. Introduced SIMA3blessed milkthistle · Asteraceae 1 county -
Sinapis alba L. Introduced SIAL5white mustard · Brassicaceae 1 county -
Sinapis arvensis L. Introduced SIAR4charlock mustard · Brassicaceae 1 county - Sinapis arvensis L. ssp. arvensis Introduced SIARAwild mustard · Brassicaceae 1 county
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Sisymbrium altissimum L. Introduced SIAL2tall tumblemustard · Brassicaceae 1 county -
Sisymbrium officinale (L.) Scop. Introduced SIOFhedgemustard · Brassicaceae 1 county -
Solanum dulcamara L. Introduced SODUclimbing nightshade · Solanaceae 1 county - Solanum dulcamara L. var. dulcamara Introduced SODUDclimbing nightshade · Solanaceae 1 county
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Solanum nigrum L. Introduced SONIblack nightshade · Solanaceae 1 county -
Sonchus arvensis L. Introduced SOAR2field sowthistle · Asteraceae 1 county - Sonchus arvensis L. ssp. arvensis Introduced SOARA2field sowthistle · Asteraceae 1 county
- Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARUmoist sowthistle · Asteraceae 1 county
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Sonchus asper (L.) Hill Introduced SOASspiny sowthistle · Asteraceae 1 county -
Sonchus oleraceus L. Introduced SOOLcommon sowthistle · Asteraceae 1 county -
Sorbus aucuparia L. Introduced SOAUEuropean mountain ash · Rosaceae 1 county -
Sorghum bicolor (L.) Moench Introduced SOBI2sorghum · Poaceae 1 county - Sorghum bicolor (L.) Moench ssp. bicolor Introduced SOBIBgrain sorghum · Poaceae 1 county