Index / States / Louisiana / St. Helena
§1County listing — Louisiana
St. Helena County
Louisiana
- FIPS
- 22091
- Taxa recorded
- 1,274
- State
- Louisiana
Filter
Showing 751–800 of 1,274.
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Ophioglossum petiolatum Hook. Native OPPE2longstem adderstongue · Ophioglossaceae -
Oplismenus hirtellus (L.) P. Beauv. Both OPHIbasketgrass · Poaceae - Oplismenus hirtellus (L.) P. Beauv. ssp. setarius (Lam.) Mez ex Ekman Native OPHISbasketgrass · Poaceae
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Orbexilum pedunculatum (Mill.) Rydb. Native ORPESampson's snakeroot · Fabaceae - Orbexilum pedunculatum (Mill.) Rydb. var. pedunculatum Native ORPEP2Sampson's snakeroot · Fabaceae
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Orbexilum simplex (Nutt. ex Torr. & A. Gray) Rydb. Native ORSIsinglestem leather-root · Fabaceae -
Orontium aquaticum L. Native ORAQgoldenclub · Araceae -
Oryza sativa L. Introduced ORSArice · Poaceae - Osmanthus americanus (L.) Benth. & Hook. f. ex A. Gray Native OSAMdevilwood · Oleaceae
- Osmanthus americanus (L.) Benth. & Hook. f. ex A. Gray var. americanus Native OSAMAdevilwood · Oleaceae
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Osmunda regalis L. Native OSREroyal fern · Osmundaceae - Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRESroyal fern · Osmundaceae
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Ostrya virginiana (Mill.) K. Koch Native OSVIhophornbeam · Betulaceae -
Oxalis violacea L. Native OXVIviolet woodsorrel · Oxalidaceae -
Oxydendrum arboreum (L.) DC. Native OXARsourwood · Ericaceae -
Oxypolis filiformis (Walter) Britton Native OXFIwater cowbane · Apiaceae -
Oxypolis rigidior (L.) Raf. Native OXRIstiff cowbane · Apiaceae -
Packera glabella (Poir.) C. Jeffrey Native PAGL17butterweed · Asteraceae -
Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve Native PAOB6roundleaf ragwort · Asteraceae -
Panicum anceps Michx. Native PAANbeaked panicgrass · Poaceae -
Panicum dichotomiflorum Michx. Native PADIfall panicgrass · Poaceae - Panicum dichotomiflorum Michx. var. dichotomiflorum Native PADIDfall panicgrass · Poaceae
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Panicum rigidulum Bosc ex Nees Native PARI4redtop panicgrass · Poaceae - Panicum rigidulum Bosc ex Nees var. pubescens (Vasey) Lelong Native PARIPredtop panicgrass · Poaceae
- Panicum rigidulum Bosc ex Nees var. rigidulum Native PARIRredtop panicgrass · Poaceae
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Panicum verrucosum Muhl. Native PAVE2warty panicgrass · Poaceae -
Panicum virgatum L. Native PAVI2switchgrass · Poaceae - Panicum virgatum L. var. virgatum Native PAVIVswitchgrass · Poaceae
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Parthenocissus quinquefolia (L.) Planch. Native PAQU2Virginia creeper · Vitaceae -
Paspalum boscianum Flueggé Native PABO3bull crowngrass · Poaceae -
Paspalum conjugatum P.J. Bergius Native PACO14hilograss · Poaceae -
Paspalum dilatatum Poir. Introduced PADI3dallisgrass · Poaceae -
Paspalum floridanum Michx. Native PAFL4Florida paspalum · Poaceae -
Paspalum fluitans (Elliott) Kunth Native PAFL5horsetail paspalum · Poaceae -
Paspalum laeve Michx. Native PALA10field paspalum · Poaceae -
Paspalum minus Fourn. Native PAMI4matted paspalum · Poaceae -
Paspalum notatum Flueggé Both PANO2bahiagrass · Poaceae - Paspalum notatum Flueggé var. saurae Parodi Introduced PANOSbahiagrass · Poaceae
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Paspalum plicatulum Michx. Native PAPL3brownseed paspalum · Poaceae -
Paspalum praecox Walter Native PAPR4early paspalum · Poaceae -
Paspalum setaceum Michx. Native PASE5thin paspalum · Poaceae -
Paspalum urvillei Steud. Introduced PAUR2Vasey's grass · Poaceae -
Passiflora incarnata L. Native PAIN6purple passionflower · Passifloraceae -
Passiflora lutea L. Native PALU2yellow passionflower · Passifloraceae -
Pedicularis canadensis L. Native PECACanadian lousewort · Scrophulariaceae - Pedicularis canadensis L. ssp. canadensis Native PECAC3Canadian lousewort · Scrophulariaceae
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Peltandra virginica (L.) Schott Native PEVIgreen arrow arum · Araceae -
Pennisetum glaucum (L.) R. Br. Introduced PEGL2pearl millet · Poaceae -
Penstemon digitalis Nutt. ex Sims Native PEDIfoxglove beardtongue · Scrophulariaceae -
Penstemon laxiflorus Pennell Native PELA10nodding beardtongue · Scrophulariaceae