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Plant List By Scientific Name
 
Scientific NameFamilyCommon Name
Garberia heterophylla  
 Asteraceae Garberia
Gentiana pennelliana  
 Gentianaceae Wiregrass Gentian
Gentianopsis crinita  
 Gentianaceae Greater Fringed Gentian
Geum geniculatum  
 Rosaceae Bent Avens
Geum radiatum  
 Rosaceae Appalacian Avens
Spreading Avens
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Glandularia maritima  
 Verbenaceae Coastal Mock Vervain
Coastal Vervain
Glandularia tampensis  
 Verbenaceae Tampa Vervain
Tampa Mock Vervain
Glyceria nubigena  
 Poaceae Great Smoky Mountain Mannagrass
Smoky Mountain Mannagrass
Goodyera pubescens pubescens  
 Orchidaceae Downy Rattlesnake Orchid
Downy Rattlesnake Plantain
Grammitis nimbata  
 Grammitidaceae Dwarf Polypody Fern
West Indian Dwarf Polypody
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Gymnocarpium appalachianum  
 Dryopteridaceae Appalachian Oakfern
Habenaria distans  
 Orchidaceae Hammock Bog Orchid
Halophila johnsonii  
 Hydrocharitaceae Johnson's Seagrass
Harperocallis flava  
 Liliaceae Harper's Beauty
Harrisia aboriginum  
 Cactaceae Prickly Applecactus
West Coast Prickly Apple
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Harrisia fragrans  
 Cactaceae Indian River Prickly Apple
Caribbean Applecactus
Fragrant Prickly Apple
Hartwrightia floridana  
 Asteraceae Florida Hartwrightia
Hartwrightia
Hasteola robertiorum  
 Asteraceae Florida Hasteola
Hammock Herb
Helenium brevifolium  
 Asteraceae Rocky Gnome Lichen
Shortleaf Sneezeweed
Helenium vernale  
 Asteraceae Savannah Sneezeweed
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Helianthus carnosus  
 Asteraceae Lakeside Sunflower
Helianthus schweinitzii  
 Asteraceae Schweinitz's Sunflower
Helianthus verticillatus  
 Asteraceae Sunflower
Helonias bullata  
 Liliaceae Swamp Pink
Hepatica nobilis  
 Ranunculaceae Hepatica
Liverleaf
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Hexalectris spicata  
 Orchidaceae Crested Coralroot
Spiked Crested Coralroot
Hexastylis arifolia  
 Aristolochiaceae Heartleaf Wild Ginger
Littlebrownjug
Hexastylis contracta  
 Aristolochiaceae Mountain Heartleaf
Hexastylis lewisii  
 Aristolochiaceae Lewis' Heartleaf
Hexastylis naniflora  
 Aristolochiaceae Dwarfflower Heartleaf
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Hexastylis shuttleworthii  
 Aristolochiaceae Largeflower Heartleaf
Hierochloe odorata  
 Poaceae Sweetgrass
Vanilla Grass
Houstonia purpurea montana  
 Rubiaceae Purple Bluets
Venus' Pride
Hudsonia ericoides  
 Cistaceae Goldenheather
Pinebarren Goldenheather
Hudsonia montana  
 Cistaceae Mountain Goldenheather
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Hybanthus concolor  
 Violaceae Nodding Violet
Eastern Greenviolet
Hydrangea arborescens  
 Hydrangeaceae Smooth Hydrangea
Wild Hydrangea
Hydrastis canadensis  
 Ranunculaceae Goldenseal
Hymenocallis coronaria  
 Liliaceae Shoals Spiderlily
Carolina Spiderlily
Hymenocallis godfreyi  
 Liliaceae Godfrey's Spiderlily
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Hymenocallis henryae  
 Liliaceae Henry's Spiderlily
Hypericum cumulicola  
 Clusiaceae Highlands Scrub Hypericum
Highlands Scrub St. Johnswort
Hypericum edisonianum  
 Clusiaceae Arcadian St. Johnswort
Edison's Ascyrum
Hypericum lissophloeus  
 Clusiaceae Smoothbark St. Johnswort
Ilex amelanchier  
 Aquifoliaceae Sarvis Holly
Serviceberry Holly
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Ilex collina  
 Aquifoliaceae Longstalk Holly
Illicium floridanum  
 Illiaciaceae Florida Anisetree
Illicium parviflorum  
 Illiciaceae Yellow Anisetree
Yellow Staranise
Isoetes engelmannii  
 Isoetaceae Appalachian Quillwort
Engelmann's Quillwort
Isoetes melanospora  
 Isoetaceae Black Spored Quillwort
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Isoetes piedmontana  
 Isoetaceae Piedmont Quillwort
Isoetes tegetiformans  
 Isoetaceae Mat-forming Quillwort
Isotria medeoloides  
 Orchidaceae Lesser Five Leaves
Small Whorled Pogonia
Isotria verticillata  
 Orchidaceae Purple Fiveleaf Orchid
Whorled Pagonia