Index / States / Illinois / Williamson
§1County listing — Illinois
Williamson County
Illinois
- FIPS
- 17199
- Taxa recorded
- 1,210
- State
- Illinois
Filter
Showing 951–1,000 of 1,210.
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Ruellia pedunculata Torr. ex A. Gray ssp. pedunculata Native RUPEP2stalked wild petunia · Acanthaceae -
Ruellia strepens L. Native RUST2limestone wild petunia · Acanthaceae -
Rumex acetosella L. Introduced RUAC3common sheep sorrel · Polygonaceae -
Rumex altissimus Alph. Wood Native RUAL4pale dock · Polygonaceae -
Rumex crispus L. Introduced RUCRcurly dock · Polygonaceae - Rumex crispus L. ssp. crispus Introduced RUCRCcurly dock · Polygonaceae
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Rumex obtusifolius L. Introduced RUOBbitter dock · Polygonaceae -
Sabatia angularis (L.) Pursh Native SAANrosepink · Gentianaceae -
Saccharum alopecuroides (L.) Nutt. Native SAAL21silver plumegrass · Poaceae -
Sagittaria brevirostra Mack. & Bush Native SABR8shortbeak arrowhead · Alismataceae -
Sagittaria calycina Engelm. Native SACA21hooded arrowhead · Alismataceae - Sagittaria calycina Engelm. var. calycina Native SACAChooded arrowhead · Alismataceae
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Sagittaria latifolia Willd. Native SALA2broadleaf arrowhead · Alismataceae -
Salix caroliniana Michx. Native SACA5coastal plain willow · Salicaceae - Salix fragilis L. Introduced SAFRcrack willow · Salicaceae
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Salix humilis Marshall Native SAHU2prairie willow · Salicaceae - Salix humilis Marshall var. humilis Native SAHUHprairie willow · Salicaceae
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Salix interior Rowlee Native SAIN3sandbar willow · Salicaceae -
Salix nigra Marshall Native SANIblack willow · Salicaceae -
Salix sericea Marshall Native SASEsilky willow · Salicaceae -
Salsola tragus L. Introduced SATR12prickly Russian thistle · Chenopodiaceae -
Salvia lyrata L. Native SALY2lyreleaf sage · Lamiaceae -
Sambucus nigra L. Both SANI4black elderberry · Caprifoliaceae - Sambucus nigra L. ssp. canadensis (L.) R. Bolli Native SANIC4American black elderberry · Caprifoliaceae
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Samolus valerandi L. Both SAVA3seaside brookweed · Primulaceae - Samolus valerandi L. ssp. parviflorus (Raf.) Hultén Native SAVAPseaside brookweed · Primulaceae
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Sanguinaria canadensis L. Native SACA13bloodroot · Papaveraceae -
Sanicula canadensis L. Native SACA15Canadian blacksnakeroot · Apiaceae -
Saponaria officinalis L. Introduced SAOF4bouncingbet · Caryophyllaceae -
Sassafras albidum (Nutt.) Nees Native SAAL5sassafras · Lauraceae -
Saururus cernuus L. Native SACElizard's tail · Saururaceae -
Saxifraga pensylvanica L. Native SAPE8eastern swamp saxifrage · Saxifragaceae -
Schedonorus pratensis (Huds.) P. Beauv. Introduced SCPR4meadow fescue · Poaceae -
Schizachyrium scoparium (Michx.) Nash Native SCSClittle bluestem · Poaceae - Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCSlittle bluestem · Poaceae
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Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve Native SCAC3hardstem bulrush · Cyperaceae - Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve var. acutus Native SCACAhardstem bulrush · Cyperaceae
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Schoenoplectus heterochaetus (Chase) Soják Native SCHE5slender bulrush · Cyperaceae -
Schoenoplectus pungens (Vahl) Palla Native SCPU10common threesquare · Cyperaceae - Schoenoplectus pungens (Vahl) Palla var. pungens Native SCPUP5common threesquare · Cyperaceae
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Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2softstem bulrush · Cyperaceae -
Scirpus atrovirens Willd. Native SCAT2green bulrush · Cyperaceae -
Scirpus cyperinus (L.) Kunth Native SCCYwoolgrass · Cyperaceae -
Scirpus georgianus Harper Native SCGE2Georgia bulrush · Cyperaceae -
Scirpus pendulus Muhl. Native SCPE4rufous bulrush · Cyperaceae -
Scleria pauciflora Muhl. ex Willd. Native SCPA5fewflower nutrush · Cyperaceae -
Scrophularia marilandica L. Native SCMA2carpenter's square · Scrophulariaceae -
Scutellaria incana Biehler Native SCINhoary skullcap · Lamiaceae - Scutellaria incana Biehler var. incana Native SCINI2hoary skullcap · Lamiaceae
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Scutellaria lateriflora L. Native SCLA2blue skullcap · Lamiaceae