Index / States / Illinois / St. Clair
§1County listing — Illinois
St. Clair County
Illinois
- FIPS
- 17163
- Taxa recorded
- 1,648
- State
- Illinois
Filter
Showing 1–50 of 1,371 (native).
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Acalypha gracilens A. Gray Native ACGR2slender threeseed mercury · Euphorbiaceae -
Acalypha ostryifolia Riddell Native ACOSpineland threeseed mercury · Euphorbiaceae -
Acalypha rhomboidea Raf. Native ACRHcommon threeseed mercury · Euphorbiaceae - Acalypha virginica L. Native ACVIVirginia threeseed mercury · Euphorbiaceae
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Acer negundo L. Native ACNE2boxelder · Aceraceae -
Acer rubrum L. Native ACRUred maple · Aceraceae - Acer rubrum L. var. rubrum Native ACRURred maple · Aceraceae
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Acer saccharinum L. Native ACSA2silver maple · Aceraceae -
Acer saccharum Marshall Native ACSA3sugar maple · Aceraceae - Acer saccharum Marshall var. saccharum Native ACSASsugar maple · Aceraceae
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Acorus americanus (Raf.) Raf. Native ACAMsweetflag · Acoraceae -
Actaea pachypoda Elliott Native ACPAwhite baneberry · Ranunculaceae -
Actaea racemosa L. Native ACRA7black baneberry · Ranunculaceae - Actaea racemosa L. var. racemosa Native ACRARblack bugbane · Ranunculaceae
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Adiantum pedatum L. Native ADPEnorthern maidenhair · Pteridaceae -
Aesculus glabra Willd. Native AEGLOhio buckeye · Hippocastanaceae - Aesculus glabra Willd. var. glabra Native AEGLGOhio buckeye · Hippocastanaceae
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Agalinis aspera (Douglas ex Benth.) Britton Native AGAS2tall false foxglove · Scrophulariaceae -
Agalinis auriculata (Michx.) S.F. Blake Native AGAU3earleaf false foxglove · Scrophulariaceae -
Agalinis gattingeri (Small) Small Native AGGAroundstem false foxglove · Scrophulariaceae -
Agalinis purpurea (L.) Pennell Native AGPU5purple false foxglove · Scrophulariaceae -
Agalinis skinneriana (Alph. Wood) Britton Native AGSKSkinner's false foxglove · Scrophulariaceae -
Agalinis tenuifolia (Vahl) Raf. Native AGTE3slenderleaf false foxglove · Scrophulariaceae - Agalinis tenuifolia (Vahl) Raf. var. tenuifolia Native AGTETslenderleaf false foxglove · Scrophulariaceae
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Agastache nepetoides (L.) Kuntze Native AGNE2yellow giant hyssop · Lamiaceae -
Ageratina altissima (L.) R.M. King & H. Rob. Native AGAL5white snakeroot · Asteraceae - Ageratina altissima (L.) R.M. King & H. Rob. var. altissima Native AGALAwhite snakeroot · Asteraceae
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Agrimonia gryposepala Wallr. Native AGGR2tall hairy agrimony · Rosaceae -
Agrimonia microcarpa Wallr. Native AGMI2smallfruit agrimony · Rosaceae -
Agrimonia parviflora Aiton Native AGPA6harvestlice · Rosaceae -
Agrimonia pubescens Wallr. Native AGPUsoft agrimony · Rosaceae -
Agrimonia rostellata Wallr. Native AGRO3beaked agrimony · Rosaceae -
Agrostis elliottiana Schult. Native AGEL4Elliott's bentgrass · Poaceae -
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHYwinter bentgrass · Poaceae -
Agrostis perennans (Walter) Tuck. Native AGPEupland bentgrass · Poaceae - Agrostis scabra Willd. Native AGSC5rough bentgrass · Poaceae
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Alisma subcordatum Raf. Native ALSUAmerican water plantain · Alismataceae -
Allium canadense L. Native ALCA3meadow garlic · Liliaceae -
Alnus serrulata (Aiton) Willd. Native ALSE2hazel alder · Betulaceae -
Alopecurus aequalis Sobol. Native ALAEshortawn foxtail · Poaceae - Alopecurus aequalis Sobol. var. aequalis Native ALAEAshortawn foxtail · Poaceae
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Alopecurus carolinianus Walter Native ALCA4Carolina foxtail · Poaceae -
Amaranthus hybridus L. Native AMHYslim amaranth · Amaranthaceae -
Amaranthus palmeri S. Watson Native AMPAcarelessweed · Amaranthaceae -
Amaranthus retroflexus L. Native AMREredroot amaranth · Amaranthaceae -
Amaranthus spinosus L. Native AMSPspiny amaranth · Amaranthaceae -
Amaranthus tuberculatus (Moq.) Sauer Native AMTUroughfruit amaranth · Amaranthaceae -
Ambrosia bidentata Michx. Native AMBI2lanceleaf ragweed · Asteraceae -
Ambrosia psilostachya DC. Native AMPSCuman ragweed · Asteraceae -
Ambrosia trifida L. Native AMTRgreat ragweed · Asteraceae