Here is a very partial list of some of the plants that I have seen along the Corkscrew Marsh Trails and Cypress Dome Trails.
Hiked Sept. 19, 2018.
AMARANTHACEAE - Amaranth Family
Iresine diffusa - BLOODLEAF (aka JUBA'S BUSH)
ANNONACEAE - Custard Apple Family
Asimina reticulata - COMMON (or NETTED) PAWPAW
APIACEAE - Carrot Family
Centella asiatica - GOUT KOLA (aka SPADELEAF)
Eryngium aromaticum - FRAGRANT ERYNGO
Eryngium yuccifolium - RATTLESNAKE MASTER (aka BUTTON SNAKEROOT)
AQUIFOLIACEAE - Holly Family
Ilex cassine - DAHOON HOLLY
Ilex glabra - GALLBERRY
ASPLENIACEAE - Spleenwort Family
Asplenium serratum - WILD BIRDNEST FERN (a state endangered species)
ASTERACEAE - Aster Family
Carphephorus odoratissimus var. subtropicanus - PINELAND PURPLE (aka FALSE VANILLALEAF)
Cirsium horridulum - PURPLE THISTLE
Cirsium nuttallii - NUTTALL'S THISTLE
Conoclinium coelestinum - BLUE MISTFLOWER
Elephantopus elatus - TALL ELEPHANT'S FOOT
EmIlia fosbergii - FLORIDA TASSLEFLOWER
Erechtites hieracifolius - BURNWEED (aka PILEWORT)
Eupatorium capillifolium - DOG FENNEL
Eupatorium mohrii - MOHR'S THOROUGHWORT
Lygodesmia aphylla - ROSERUSH
Melanthera nivea - SNOW SQUARESTEM (aka SALT-AND-PEPPER)
Mikania scandens - CLIMBING HEMPVINE
BLECHNACEAE - Chain Fern Family
Blechnum serrulatum - SWAMP FERN
CUCURBITACEAE - Gourd Family
Melothria pendula - CREEPING CUCUMBER
ERICACEAE - Heath Family
Lyonia fruitcosa - COASTPLAIN STAGGERBUSH
Lyonia lucida - STAGGERBUSH
ERIOCAULACEAE - Pipewort Family
Eriocaulon decangulare - TENANGLE PIPEWORT
FABACEAE - Pea Family
Centrosema virginanum - SPURRED BUTTERFLY PEA
Chamaecrista fasciculata - PARTRIDGE PEA
Chamaecrista nicitans var. aspera - SENSITIVE PEA
Desmodium incanum - BEGGAR-TICKS
Galactia elliottii - ELLIOTT'S MILK PEA
HAEMODORACEAE - Bloodwort Family
Lachnanthes caroliana - CAROLINA REDROOT
HYDROLEACEAE - Hydrolea Family
Hydrolea corymbosa - SKYFLOWER
HYPOXIDACEAE - Star Lily Family
Hypoxis juncea - FRINGED YELLOW STARGRASS
LAMIACEAE - Mint Family
Callicarpa americana - AMERICAN BEAUTYBERRY
Hyptis alata - CLUSTERED BUSHMINT (aka MUSKY MINT)
Piloblephis rigida - FLORID PENNYROYAL (aka WILD PENNYROYAL) 
LILIACEAE - Lily Family
Lilium catesbaei - PINE LILY (aka CATESBY'S LILY)
LINDERNIACEAE -
Lindernia grandiflora - SAVANNAH FALSE PIMPERNEL
LOGANIACEAE - Logan Plant Family
Mitreola petiolata - LAX HORNPOD (aka MITERWORT)
LYGODIACEAE - Climbing Fern Family
Lygodium microphyllum - SMALL-LEAF CLIMBING FERN
LYTHRACEAE - Loosestrife Family
Lythrum alatum var, lanceolatum - WINGED LOOSESTRIFE
MALVACEAE - Mallow Family
Kosteletzkya pentacarpos - VIRGINIA SALTMARSH MALLOW
Melochia spicata - BRETONICA PELUDA (formerly placed in the Cacao Family, Sterculiaceae)
MYRICACEAE - Wax Myrtle Family
Myrica cerifera - WAX MYRTLE (aka SOUTHERN BAYBERRY)
MORACEAE - Mulberry Family
Ficus aurea - STRANGLER FIG
OLEACEAE - Olive Family
Fraxinus caroliniana - POP ASH
ONAGRACEAE - Evening Primrose Family
Ludwigia peruviana - PERUVIAN PRIMROSEWILLOW
Ludwigia repens - CREEPING PRIMROSEWILLOW
ORCHIDACEAE - Orchid Family
Eulophia alta - WILD COCO
Habenaria floribunda - REIN ORCHID
OROBANCHACEAE -
Buchnera americana - AMERICAN BLUEHEARTS
OSMUNDACEAE - Royal Fern Family
Osmunda regalis var. spectabilis - ROYAL FERN
PHYLLANTHACEAE - Leafflower Family
Phyllanthus urinaria - STONEBREAKER
PLANTAGINACEAE - Plantain Family
Bacopa monnieri - BRAHMI (or HERB-OF-GRACE)
POLYPODIACEAE - Polypody Family
Phebodium aureum - GOLDENFOOT FERN (aka GOLDEN POLYPODY)
PRIMULACEAE - Primrose Family
Myrsine cubana - MYRSINE (aka COLICWOOD)
URTICACEAE - Nettle Family
Boehmeria cylindrica - BOG HEMP
VERBENACEAE - Verbena Family
Lantana camara - SHRUB LANTANA 

Air Plant, Quill-leaf - balbisiana 
Blazing Star - Liatris species 
Cabbage Palm 
Dalea species 
Firebush 
Helianthus species 
Hypericum species 
Lindernia, smaller species 
Linum species, a Yellow Flax 
Live Oak 
Ludwigia species, smaller one 
Naked-stem Dewflower 
Pectis 
Poison Ivy 
Red Bay 
Ressurection Fern 
Sabatia, White 
Salt-and-Pepper 
Saw Palmetto 
Sida with long pedicles 
Tallow Wood (Hog Plum)