Revised Recognition List

Compilation of all SIX "Plants to Know" lists

Acer rubrum

Ludwigia sp.

Alternanthera philoxeroides

Lycopodium alopecuroides

Amaranthus sp.*

Lycopus rubellus

Ambrosia artemisiifolia*

Lyonia lucida

Ambrosia pilostachya*

Magnolia virginiana

Ambrosia trifida*

Marsilea uncinata

Ammannia coccinea

Mikania scandens*

Andropogon glomeratus

Morus rubra*

Andropogon mohrii

Myrica cerifera

Aphanostephus skirrhobasis*

Myriophyllum sp.

Aristida purparascens

Najas guadalupensis

Arundinaria gigantea*

Nelumbo lutea

Ascelpias lanceolata

Neptunia sp.*

Aster subulatus

Nymphaea mexicana*

Azolla caroliniana

Nymphaea odorata

Baccharis halimifolia*

Nyssa aquatica

Bacopa monnieri

Nyssa biflora

Bacopa rotundifolia

Onoclea sensibilis

Bigelowia nudata

Osmunda cinnamomea

Blyxa auertii*

Osmunda regalis

Boehmeria cylindrica

Ottelia alismoides*

Boltonia sp.*

Oxypolis rigidior

Borrichia frutescens

Panicum amarum*

Cabomba caroliniana

 Panicum repens*

Caperonia palustris*

Panicum sp.

Cardiospermum halicacabum*

 Panicum virgatum

Carex sp.

Paspalam vaginatum

Carphephorous pseudoliatris

 Paspalum sp.

Carpinus caroliniana*

Peltandra virginica *

Carya alba (C. tomentosa)*

Phanopyrum gymnocarpon (Panicum gymnocarpon)*

Cephalanthus occidentalis

Phyla strigulosa*

Ceratophyllum demersum

Pinus elliottii

Ceratophyllum sp.

Pinus glabra

Cocculus carolinus*

 Pinus palustris

Coelorachis rugosa

Pluchea camphorata*

Commelina virginica*

Pluchea sp.

Croton punctatus*

Polygala ramosa

Ctenium aromaticum

Polygonum sp.

Cuphea carthagenesis*

Pontederia cordata

Cyperus sp.

Quercus laurifolia

Cyrilla racemiflora

Quercus phellos *

Dichromena latifolia

 Rayjacksonia phyllocephala*

Diodia virginiana*

 Rhexia sp.

Distichlis spicata*

Rhynchospora sp.

Drosera brevifolia

Ruppia maritima*

Echinochloa sp.

Sabatia sp.

Echinodorus cordifolius

Sacciolepis striata

Eclipta prostrata*

Sagittaria lancifolia

Eichhornia crassipes*

Sagittaria sp.

Eleocharis sp.

 Salix nigra

Equisetum hyemale*

Salvinia minima

Eragrostis secundiflora (E. oxylepis)*

Sarracenia alata

Eragrostis sp.

 Sarracenia psitticina

Eriocaulon compressum

Saururus cernuus

Eriocaulon decangulare

 Scirpus californicus

Eupatorium sp.

 Scirpus cyperinus

Eupatorium capillifolium*

 Scirpus pungens*

Eupatorium serotinum*

Scirpus robustus (S. maritimus)

Eustoma exaltatum*

Scirpus sp.

Fimbrostylis sp.

Scleria sp.

Fuirena sp.

 Sesbania drummondii*

Helianthus heterophyllus

Sesbania herbacea (S. macrocarpa)*

Helianthus simulans*

Sesuvium portulacastrum*

Heliotropium curassavicum

Solanum carolinense*

Heliotropium indicum*

Solidago sempervirens*

Heteranthera sp.

Sorghum halepense*

Heterotheca subaxillaris*

Spartina alterniflora

Hibiscus lasiocarpus*

 Spartina cynosuroides

Hydrilla verticillata

 Spartina patens

Hydrochloa caroliniana (Luziola fluitans)

 Spartina spartinae

Hydrocotyle ranunculoides

 Sphenoclea zeylanica*

Hygrophila lacustris

Spilanthes americana (Acmella oppositifolia)*

Hypericum galioides

Spirodela sp.

Hypericum sp.

Sporobolus virginicus*

Ilex glabra

 Stokesia laevis *

Ilex vomitoria*

 Strophostyles sp.*

Ipomoea imperati (I. stolinifera)*

Styrax americanus *

Ipomoea sagittata*

Tamarix parviflora*

Itea virginica*

Taxodium ascendens

Iva annua*

Taxodium disticum

Iva frutescens*

Thelypteris palustris *

Juncus sp.

Tilia americana*

Juncus effusus*

Typha latifolia

Juncus roemerianus

Ulmus alata*

Justicia ovata

Utricularia sp.

Kosteletzkya virginica

Utricularia subulata

Lachnanthes caroliniana

 Wolffia sp.

Lemna minor

 Woodwardia areolata

Limnobium spongia

 Woodwardia virginica

Liriodendron tulipifera*

Xyris sp.

Lobelia cardinalis*

Zizaniopsis miliacea

Ludwigia decurrens