Index / States / Louisiana / St. Helena
§1County listing — Louisiana
St. Helena County
Louisiana
- FIPS
- 22091
- Taxa recorded
- 1,274
- State
- Louisiana
Filter
Showing 1–50 of 1,103 (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 -
Acer floridanum (Chapm.) Pax Native ACFLsouthern sugar maple · Aceraceae -
Acer negundo L. Native ACNE2boxelder · Aceraceae -
Acer rubrum L. Native ACRUred maple · Aceraceae - Acer rubrum L. var. drummondii (Hook. & Arn. ex Nutt.) Sarg. Native ACRUDDrummond's maple · Aceraceae
- Acer rubrum L. var. rubrum Native ACRURred maple · Aceraceae
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Achillea millefolium L. var. occidentalis DC. Native ACMIOwestern yarrow · Asteraceae -
Acmella oppositifolia (Lam.) R.K. Jansen Native ACOPoppositeleaf spotflower · Asteraceae - Acmella oppositifolia (Lam.) R.K. Jansen var. repens (Walter) R.K. Jansen Native ACOPRoppositeleaf spotflower · Asteraceae
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Adiantum pedatum L. Native ADPEnorthern maidenhair · Pteridaceae -
Aesculus pavia L. Native AEPAred buckeye · Hippocastanaceae - Aesculus pavia L. var. pavia Native AEPAPred buckeye · Hippocastanaceae
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Agalinis fasciculata (Elliott) Raf. Native AGFA2beach false foxglove · Scrophulariaceae -
Agalinis harperi Pennell Native AGHA3coastal plain false foxglove · Scrophulariaceae -
Agalinis linifolia (Nutt.) Britton Native AGLI2flaxleaf false foxglove · Scrophulariaceae -
Agalinis obtusifolia Raf. Native AGOBtenlobe false foxglove · Scrophulariaceae -
Agalinis oligophylla Pennell Native AGOLridgestem false foxglove · Scrophulariaceae -
Agalinis plukenetii (Elliott) Raf. Native AGPLChattahoochee false foxglove · Scrophulariaceae -
Agalinis purpurea (L.) Pennell Native AGPU5purple false foxglove · Scrophulariaceae -
Agalinis tenuifolia (Vahl) Raf. Native AGTE3slenderleaf false foxglove · Scrophulariaceae - Agalinis tenuifolia (Vahl) Raf. var. leucanthera (Raf.) Pennell Native AGTELslenderleaf false foxglove · Scrophulariaceae
- Agalinis tenuifolia (Vahl) Raf. var. tenuifolia Native AGTETslenderleaf false foxglove · Scrophulariaceae
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Ageratina aromatica (L.) Spach Native AGAR4lesser snakeroot · Asteraceae - Ageratina aromatica (L.) Spach var. aromatica Native AGARAlesser snakeroot · Asteraceae
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Agrimonia microcarpa Wallr. Native AGMI2smallfruit agrimony · 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 -
Aletris aurea Walter Native ALAUgolden colicroot · Liliaceae -
Allium canadense L. Native ALCA3meadow garlic · Liliaceae - Allium canadense L. var. canadense Native ALCACmeadow garlic · Liliaceae
- Allium canadense L. var. mobilense (Regel) Ownbey Native ALCAMmeadow garlic · Liliaceae
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Alopecurus carolinianus Walter Native ALCA4Carolina foxtail · Poaceae -
Alophia drummondii (Graham) R.C. Foster Native ALDR2propeller flower · Iridaceae -
Amaranthus hybridus L. Native AMHYslim amaranth · Amaranthaceae -
Amaranthus retroflexus L. Native AMREredroot amaranth · Amaranthaceae -
Amaranthus spinosus L. Native AMSPspiny amaranth · Amaranthaceae -
Amaranthus viridis L. Native AMVIslender amaranth · Amaranthaceae -
Ambrosia artemisiifolia L. var. paniculata (Michx.) Blank. Native AMARPannual 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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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