Index / States / Louisiana / Washington
§1County listing — Louisiana
Washington County
Louisiana
- FIPS
- 22117
- Taxa recorded
- 1,483
- State
- Louisiana
Filter
Showing 51–100 of 1,483.
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Amaranthus hybridus L. Native AMHYslim amaranth · Amaranthaceae -
Amaranthus spinosus L. Native AMSPspiny amaranth · Amaranthaceae -
Amaranthus viridis L. Native AMVIslender amaranth · Amaranthaceae -
Ambrosia artemisiifolia L. Both AMAR2annual ragweed · Asteraceae - Ambrosia artemisiifolia L. var. paniculata (Michx.) Blank. Native AMARPannual ragweed · Asteraceae
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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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Amianthium muscitoxicum (Walter) A. Gray Native AMMUflypoison · Liliaceae -
Ammannia coccinea Rottb. Native AMCOvalley redstem · Lythraceae -
Ampelopsis cordata Michx. Native AMCO2heartleaf peppervine · Vitaceae -
Amphicarpaea bracteata (L.) Fernald Native AMBR2American hogpeanut · Fabaceae -
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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Anthaenantia rufa (Nutt.) Schult. Native ANRUpurple silkyscale · Poaceae -
Anthaenantia villosa (Michx.) P. Beauv. Native ANVI4green silkyscale · Poaceae -
Anthemis cotula L. Introduced ANCO2stinking chamomile · Asteraceae -
Apios americana Medik. Native APAMgroundnut · Fabaceae -
Apocynum cannabinum L. Native APCAIndianhemp · Apocynaceae -
Apteria aphylla (Nutt.) Barnhart ex Small Native APAPnodding nixie · Burmanniaceae -
Aralia spinosa L. Native ARSP2devil's walkingstick · Araliaceae -
Arisaema triphyllum (L.) Schott Native ARTRJack in the pulpit · Araceae - Arisaema triphyllum (L.) Schott ssp. quinatum (Buckley) Huttleston Native ARTRQJack 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. geniculata (Raf.) Fernald Native ARLOG6slimspike 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 -
Aristolochia tomentosa Sims Native ARTO3woolly dutchman's pipe · Aristolochiaceae -
Arnoglossum ovatum (Walter) H. Rob. Native AROVovateleaf cacalia · Asteraceae -
Aronia arbutifolia (L.) Pers. Native ARAR7red chokeberry · Rosaceae -
Arundinaria gigantea (Walter) Muhl. Native ARGIgiant cane · Poaceae -
Arundinaria tecta (Walter) Muhl. Both ARTE4switchcane · Poaceae -
Asclepias amplexicaulis Sm. Native ASAMclasping milkweed · Asclepiadaceae -
Asclepias humistrata Walter Native ASHU3pinewoods milkweed · Asclepiadaceae -
Asclepias longifolia Michx. Native ASLOlongleaf milkweed · Asclepiadaceae -
Asclepias michauxii Decne. Native ASMI12Michaux's milkweed · Asclepiadaceae -
Asclepias obovata Elliott Native ASOBpineland milkweed · Asclepiadaceae