Plants Native to Dutchess County 3 New York 



Pondweed Potamogeton lucens 



Pondweed Potamogeton nutans 



Pondweed Potamogeton pectinatus 



Pondweed Potamogeton perfoliatiis 



Pondweed Potamogeton Robbinsii 



Pondweed Potamogeton zosterifolius 



Tape Grass Vallisneria spiralis 



Water Weed Elodea canadensis 



ii. The Association of Floating Aquatic Plants. 



Duckweed Lemna minor 



Duckweed Lemna trisulca 



Duckweed Spirodela polyrhyza 



Duckweed If'oljjia Columbiana 



Knot-weed Polygannm amphibium 



Lily, Cow Nymphcea advena 



Water Lily, Sweet-scented 



Castalia odorata 



Water Shield Brasenia Schreberi 



12. The Association of Emergent Aquatic Plants. 



Arrow Arum Peltandra virginica 



Arrow-head Sagittaria latifolia 



Bur-reed Sparganium eurycarpum 



Bur-reed Sparganium lucidum 



Bur-reed Sparganium minimum 



No common name 



Sparganium americanum 



No common name 



Sparganium americanum var. 



androcladum 



Cat-tail, Common Typha latifolia 



Cat-tail, Narrow-leaved 



Typha angustifolia 



Cinquefbil, Marsh. . . .Potentilla palustris 



Golden Club Orontium aquaticum 



Lily, Cow Nymphwa advena 



Pickerel Weed Pontederia cordata 



Plantain, Water, Alisma Plantago-aquatica 



Rush, Common Juncus effusus 



Rush, Common Juncus marginatus 



13. The Sedge Association. 



Aster Aster lateriflorus 



Aster Aster paniculatus 



Aster Aster puniceus 



Aster Aster vimineus 



Aster, New England. . .Aster novee-anglice 



Balmony Chelone glabra 



Beggar's Ticks Bidens frondosa 



Beggar's Ticks Bidens vulgata 



Bluebell, Marsh . . Campanula aparinoides 



Blue Flag, Larger Iris versicolor 



Blue Flag, Slender Iris prismalica 



Boneset Eupaiorium per/oliatum 



Chickweed Cerastium nutans 



Fern, Chain Woodwardia virginica 



Fern, Crested Shield. .Aspidium cristatum 



Fern, Marsh Aspidium Thelypteris 



Fern, Sensitive Onoclea sensibilis 



Flag, Sweet A cor us Calamus 



Gentian, Closed Gentiana Andrewsii 



Gentian, Fringed Gentiana crinita 



Golden-rod Solidago Elliotii 



Grass, Cotton Eriophorum gracile 



Grass, Curly Schizcea pusilla 



Hemlock, Water Cicuta bulbi/era 



Hemlock, Water Cicuta maculata 



Horsetail Equisetum palustre 



No common name Selaginella apus 



Ironweed Vernonia noveboracensis 



Joe-Pye-Weed . . . Eupatorium purpureum 

 Lady's Thumb. . . .Polygonum Persicaria 



Loosestrife Ly thrum alatum 



Loosestrife, Spiked. . . .Ly thrum Salicaria 



Marigold, Marsh Caltha palustris 



Mermaid Weed. . .Proserpinaca palustris 

 Milkweed, Swamp. . .Asclepias incarnata 



Monkey Flower Mimulus ringens 



Parsley, Hemlock. .Conioselinum chinense 



Parsnip, Cow Heracleum lanatum 



Parsnip, Golden Thaspium aureum 



Pennywort, Water, Hydrocotyle americana 



Pipewort Eriocaulon articulatum 



Rocket, Yellow Barbarea vulgaris 



Seed box Ludvigia alterni/olia 



Sedge Carex sp. 



In 



