Index / States / Illinois / St. Clair
§1County listing — Illinois
St. Clair County
Illinois
- FIPS
- 17163
- Taxa recorded
- 1,648
- State
- Illinois
Filter
Showing 51–100 of 1,371 (native).
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Amelanchier arborea (Michx. f.) Fernald Native AMAR3common serviceberry · Rosaceae - Amelanchier arborea (Michx. f.) Fernald var. arborea Native AMARA4common serviceberry · Rosaceae
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Ammannia coccinea Rottb. Native AMCOvalley redstem · Lythraceae -
Amorpha canescens Pursh Native AMCA6leadplant · Fabaceae -
Amorpha fruticosa L. Native AMFRfalse indigo bush · Fabaceae -
Ampelopsis cordata Michx. Native AMCO2heartleaf peppervine · Vitaceae -
Amphicarpaea bracteata (L.) Fernald Native AMBR2American hogpeanut · Fabaceae - Amphicarpaea bracteata (L.) Fernald var. comosa Native AMBRCAmerican hogpeanut · Fabaceae
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Amsonia tabernaemontana Walter Native AMTA2eastern bluestar · Apocynaceae -
Anagallis minima (L.) Krause Native ANMI4chaffweed · Primulaceae -
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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Androsace occidentalis Pursh Native ANOC2western rockjasmine · Primulaceae -
Anemone canadensis L. Native ANCA8Canadian anemone · Ranunculaceae -
Anemone cylindrica A. Gray Native ANCYcandle anemone · Ranunculaceae -
Anemone virginiana L. Native ANVI3tall thimbleweed · Ranunculaceae - Anemone virginiana L. var. virginiana Native ANVIV2tall thimbleweed · Ranunculaceae
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Angelica venenosa (Greenway) Fernald Native ANVEhairy angelica · Apiaceae - Antennaria neglecta Greene Native ANNEfield pussytoes · Asteraceae
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Antennaria plantaginifolia (L.) Richardson Native ANPLwoman's tobacco · Asteraceae -
Apios americana Medik. Native APAMgroundnut · Fabaceae -
Aplectrum hyemale (Muhl. ex Willd.) Torr. Native APHYAdam and Eve · Orchidaceae -
Apocynum androsaemifolium L. Native APAN2spreading dogbane · Apocynaceae -
Apocynum cannabinum L. Native APCAIndianhemp · Apocynaceae -
Aquilegia canadensis L. Native AQCAred columbine · Ranunculaceae -
Arabis canadensis L. Native ARCAsicklepod · Brassicaceae -
Arabis hirsuta (L.) Scop. Native ARHIhairy rockcress · Brassicaceae - Arabis hirsuta (L.) Scop. var. pycnocarpa (M. Hopkins) Rollins Native ARHIPcreamflower rockcress · Brassicaceae
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Arabis laevigata (Muhl. ex Willd.) Poir. Native ARLAsmooth rockcress · Brassicaceae - Arabis laevigata (Muhl. ex Willd.) Poir. var. laevigata Native ARLALsmooth rockcress · Brassicaceae
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Arabis shortii (Fernald) Gleason Native ARSH2Short's rockcress · Brassicaceae -
Aralia racemosa L. Native ARRAAmerican spikenard · Araliaceae - Aralia racemosa L. ssp. racemosa Native ARRARAmerican spikenard · Araliaceae
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Aralia spinosa L. Native ARSP2devil's walkingstick · Araliaceae -
Arisaema dracontium (L.) Schott Native ARDR3green dragon · Araceae -
Arisaema triphyllum (L.) Schott Native ARTRJack in the pulpit · Araceae - Arisaema triphyllum (L.) Schott ssp. triphyllum Native ARTRT3Jack in the pulpit · Araceae
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Aristida dichotoma Michx. Native ARDI4churchmouse threeawn · Poaceae - Aristida dichotoma Michx. var. curtissii A. Gray Native ARDICCurtis' threeawn · Poaceae
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Aristida longespica Poir. Native ARLO16slimspike threeawn · Poaceae - Aristida longespica Poir. var. longespica Native ARLOL3slimspike threeawn · Poaceae
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Aristida oligantha Michx. Native AROLprairie threeawn · Poaceae -
Aristida purpurascens Poir. Native ARPU8arrowfeather threeawn · Poaceae - Aristida purpurascens Poir. var. purpurascens Native ARPUP4arrowfeather threeawn · Poaceae
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Aristida ramosissima Engelm. ex A. Gray Native ARRA2s-curve threeawn · Poaceae -
Aristolochia serpentaria L. Native ARSE3Virginia snakeroot · Aristolochiaceae -
Aristolochia tomentosa Sims Native ARTO3woolly dutchman's pipe · Aristolochiaceae -
Arnoglossum atriplicifolium (L.) H. Rob. Native ARATpale Indian plantain · Asteraceae -
Arnoglossum plantagineum Raf. Native ARPL4groovestem Indian plantain · Asteraceae