Index / States / Illinois / Jefferson
§1County listing — Illinois
Jefferson County
Illinois
- FIPS
- 17081
- Taxa recorded
- 821
- State
- Illinois
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Showing 1–50 of 821.
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Abutilon theophrasti Medik. Introduced ABTHvelvetleaf · Malvaceae -
Acalypha gracilens A. Gray Native ACGR2slender 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 -
Achillea millefolium L. Both ACMI2common yarrow · Asteraceae - Achillea millefolium L. var. millefolium Introduced ACMIM2common yarrow · Asteraceae
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Acorus americanus (Raf.) Raf. Native ACAMsweetflag · Acoraceae -
Acorus calamus L. Introduced ACCA4calamus · Acoraceae -
Adiantum pedatum L. Native ADPEnorthern maidenhair · Pteridaceae -
Agalinis aspera (Douglas ex Benth.) Britton Native AGAS2tall false foxglove · Scrophulariaceae -
Agalinis gattingeri (Small) Small Native AGGAroundstem 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 parviflora Aiton Native AGPA6harvestlice · Rosaceae -
Agrimonia rostellata Wallr. Native AGRO3beaked agrimony · Rosaceae -
Agrostis elliottiana Schult. Native AGEL4Elliott's bentgrass · Poaceae -
Agrostis gigantea Roth Introduced AGGI2redtop · Poaceae -
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. Native AGHYwinter bentgrass · Poaceae -
Ailanthus altissima (Mill.) Swingle Introduced AIALtree of heaven · Simaroubaceae -
Albizia julibrissin Durazz. Introduced ALJUsilktree · Fabaceae -
Allium canadense L. Native ALCA3meadow garlic · Liliaceae - Allium canadense L. var. mobilense (Regel) Ownbey Native ALCAMmeadow garlic · Liliaceae
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Allium vineale L. Introduced ALVIwild garlic · Liliaceae - Allium vineale L. ssp. vineale Introduced ALVIVwild garlic · Liliaceae
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Alopecurus carolinianus Walter Native ALCA4Carolina foxtail · Poaceae -
Amaranthus blitoides S. Watson Introduced AMBLmat amaranth · Amaranthaceae -
Amaranthus hybridus L. Native AMHYslim amaranth · Amaranthaceae -
Amaranthus spinosus L. Native AMSPspiny amaranth · Amaranthaceae -
Ambrosia artemisiifolia L. Both AMAR2annual ragweed · Asteraceae -
Ambrosia bidentata Michx. Native AMBI2lanceleaf ragweed · Asteraceae -
Ambrosia trifida L. Native AMTRgreat ragweed · Asteraceae -
Amelanchier arborea (Michx. f.) Fernald Native AMAR3common serviceberry · Rosaceae - Amelanchier arborea (Michx. f.) Fernald var. arborea Native AMARA4common serviceberry · Rosaceae
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Amorpha fruticosa L. Native AMFRfalse indigo bush · Fabaceae -
Amphiachyris dracunculoides (DC.) Nutt. Native AMDRprairie broomweed · Asteraceae -
Amphicarpaea bracteata (L.) Fernald Native AMBR2American hogpeanut · Fabaceae -
Amsonia tabernaemontana Walter Native AMTA2eastern bluestar · Apocynaceae -
Andropogon gerardii Vitman Native ANGEbig bluestem · Poaceae -
Andropogon virginicus L. Native ANVI2broomsedge bluestem · Poaceae - Andropogon virginicus L. var. virginicus Native ANVIVbroomsedge bluestem · Poaceae
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Anemone virginiana L. Native ANVI3tall thimbleweed · Ranunculaceae - Anemone virginiana L. var. virginiana Native ANVIV2tall thimbleweed · Ranunculaceae
- Antennaria neglecta Greene Native ANNEfield pussytoes · Asteraceae