Index / States / Louisiana / St. Helena
§1County listing — Louisiana
St. Helena County
Louisiana
- FIPS
- 22091
- Taxa recorded
- 1,274
- State
- Louisiana
Filter
Showing 51–100 of 1,274.
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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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Ammannia auriculata Willd. Native AMAU2eared redstem · Lythraceae -
Ammannia coccinea Rottb. Native AMCOvalley redstem · Lythraceae -
Amorpha fruticosa L. Native AMFRfalse indigo bush · Fabaceae -
Amphicarpaea bracteata (L.) Fernald Native AMBR2American hogpeanut · Fabaceae -
Amsonia rigida Shuttlw. ex Small Native AMRIstiff bluestar · Apocynaceae -
Amsonia tabernaemontana Walter Native AMTA2eastern bluestar · Apocynaceae -
Anagallis minima (L.) Krause Native ANMI4chaffweed · Primulaceae -
Andropogon gerardii Vitman Native ANGEbig bluestem · Poaceae -
Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. Native ANGL2bushy bluestem · Poaceae -
Andropogon gyrans Ashe Native ANGY2Elliott's bluestem · Poaceae - Andropogon gyrans Ashe var. gyrans Native ANGYGElliott's bluestem · Poaceae
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Andropogon ternarius Michx. Native ANTE2splitbeard bluestem · Poaceae - Andropogon ternarius Michx. var. ternarius Native ANTETsplitbeard bluestem · Poaceae
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Andropogon virginicus L. Native ANVI2broomsedge bluestem · Poaceae - Andropogon virginicus L. var. virginicus Native ANVIVbroomsedge bluestem · Poaceae
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Anredera cordifolia (Ten.) Steenis Introduced ANCO6heartleaf madeiravine · Basellaceae -
Antennaria parlinii Fernald Native ANPA9Parlin's pussytoes · Asteraceae - Antennaria parlinii Fernald ssp. fallax (Greene) Bayer & Stebbins Native ANPAFParlin's pussytoes · Asteraceae
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Antennaria solitaria Rydb. Native ANSOsinglehead pussytoes · Asteraceae -
Anthaenantia villosa (Michx.) P. Beauv. Native ANVI4green silkyscale · Poaceae -
Anthemis cotula L. Introduced ANCO2stinking chamomile · Asteraceae -
Apios americana Medik. Native APAMgroundnut · Fabaceae -
Apteria aphylla (Nutt.) Barnhart ex Small Native APAPnodding nixie · Burmanniaceae -
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 lanosa Muhl. ex Elliott Native ARLA6woollysheath threeawn · Poaceae -
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
- Aristida purpurascens Poir. var. virgata (Trin.) Allred Native ARPUVarrowfeather threeawn · Poaceae
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Aristolochia serpentaria L. Native ARSE3Virginia snakeroot · Aristolochiaceae -
Arnoglossum ovatum (Walter) H. Rob. Native AROVovateleaf cacalia · Asteraceae -
Arnoglossum plantagineum Raf. Native ARPL4groovestem Indian plantain · Asteraceae -
Aronia arbutifolia (L.) Pers. Native ARAR7red chokeberry · Rosaceae -
Arundinaria gigantea (Walter) Muhl. Native ARGIgiant cane · Poaceae -
Asclepias amplexicaulis Sm. Native ASAMclasping milkweed · Asclepiadaceae -
Asclepias longifolia Michx. Native ASLOlongleaf milkweed · Asclepiadaceae -
Asclepias obovata Elliott Native ASOBpineland milkweed · Asclepiadaceae -
Asclepias perennis Walter Native ASPEaquatic milkweed · Asclepiadaceae -
Asclepias tuberosa L. Native ASTUbutterfly milkweed · Asclepiadaceae - Asclepias tuberosa L. ssp. interior Woodson Native ASTUIbutterfly milkweed · Asclepiadaceae
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Asclepias variegata L. Native ASVAredring milkweed · Asclepiadaceae -
Asclepias verticillata L. Native ASVEwhorled milkweed · Asclepiadaceae