Naiads, Najas 
Needlerush, Juncus roemerianus 
Oak, Overcup, Quercus lyrata 
Oak, Water, Quercus nigra 
Olney threesquare, Scirpus olneyi 
Overcup oak, Quercus lyrata 
Panicum, Fall, Panicum dichotomiflorun 
Paspalums, Paspalum 
Persea, Persea 
Pickerelweed, Pontederia 
Pine, Pond, Pinus serotina 
Pitcher-plants, Sarracenia 
Pond pine, Pinus serotina 
Pondweeds, Potamogeton 
Sago pondweed, P. pectinatus 
Prairie cordgrass, Spartina pectinata 
Red mangrove, Rhizophora mangle 
Red maple, Acer rubrum 
Redroot cyperus, ~ Cyperus erythrorhizos 
Redtop, Agrostis alba 
Reed, Phragmites communis 

Reed canary-grass, Phalaris arundinacea 
Rice, Oryza sativa 
Rice cutgrass, Leersia oryzoides 
Rushes, Juncaceae 
Sago pondweed, Potamogeton pectinatus 
Saltbush, Atriplex 
Saltflat grass, 
Saltgrass, Distic 
Saltmarsh Sees sper ina alterniflora 
uchea 
Saltmarsh fleabanes, 
Saltmeadow cordgrass, Spar tina paten 
Saltwort, Batis maritima 
Sawgrass, Cladium jamaicense 
Seablite, Suaeda 
Sedges, Cyperaceae 
Shoalgrass, Halodule wrightii 
Smartweeds, Polygonum (Persicaria section) 
Dotted smartweed, P. punctatum 
Spatterdocks, Nuphar— 
Sphagnum moss, Sphagnum 
Spikerushes, Eleocharis 
Spruce, Black, Picea mariana 


eran noche littoralis 
Swamp black gum, Nyssa biflora 
Swamp-privet, Forestiera 
Sweetbay, Magnolia virginiana 
Tamarack, Larix 
Tealgrass, “Eragrostis hypnoides 
Threesquares, Scirpus americanus and 
olneyi 
Olney threesquare, S. olneyi 
Tupelo gum, Nyssa aquatica 
Turtlegrass, Thalassia testudinum 

Virginia chainfern, Woodwardia virgini 
Water oak, Quercus nigra 
Water-hyacinth, Eichnornia crassipes 
Waterlettuce, Pistia stratiotes 
Waterlilies, Nymphaea (Castalia) 
Watermilfoils, MyrtophyTlum 
Waterprimroses, Jussiaea 
Waterweeds, Anacharis 
Western hemlock, Tsuga heterophylla 
Whitetop, Seoloch oa festucacea 
Wigeongrass, Ru ia maritima 
Wild millet, Echinochloa cru spo. 
Wildcelery, vations spir 
Wildrice, Zizania aquatica 
Willows, Sa 
Basket, S. viminalis and others 
INT.-DUP. SEC., WASH., D.Cw3325 
