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Aquatic Plant Species: Records by County

These data were derived from multiple sources, as compiled in the Maine Aquatic Biodiversity Project database as of December 2004. Primary data sources are provided in the Species Distribution Maps page. Species are included in the checklist on the basis of habitat designations provided by Haines and Vining (1998).

 
Scientific Name Common Name AND ARO CUM FRA HAN KEN KNO LIN OXF PEN PIS SAG SOM WAL WAS YOR
Alisma subcordatum Southern water-plantain   X X       X X X X   X   X   X
Alisma triviale Northern water-plantain             X                  
Brasenia schreberi Water-shield X X X X X X X X X X X X X X   X
Callitriche heterophylla Larger water-starwort X X X   X X     X X X     X X X
Callitriche palustris Spiny water-starwort X X X X X X X   X X X   X X   X
Ceratophyllum demersum Common hornwort X X       X X   X X X X   X   X
Ceratophyllum echinatum Prickly hornwort X X     X X X   X X   X X X    
Elatine americana American water-wort         X   X X                
Elatine minima Small water-wort     X X X X X X X X     X X   X
Elatine triandra Three-stamen water-wort             X           X      
Eleocharis olivacea Bright-green spikerush X   X   X X           X       X
Eleocharis palustris Creeping spikerush X X X X   X X X X X X   X X   X
Eleocharis robbinsii Robbin's spikerush X X X X X X X   X X     X X   X
Eleocharis smallii Small's spikerush   X X X X   X   X X     X X   X
Elodea canadensis Common waterweed X X     X X X   X X X X X X   X
Elodea nuttallii Nuttall's waterweed X X X     X X X X X     X X   X
Equisetum fluviatile River horsetail X X X X X X X   X X X X X X X X
Eriocaulon aquaticum Pipewort X X X X X X X X X X X X X X X X
Hippuris vulgaris Common mare's-tail   X X X X         X X   X   X  
Hottonia inflata Featherfoil                               X
Hydrilla verticillata Hydrilla                               X
Isoetes acadiensis Acadian quillwort   X     X                      
Isoetes echinospora Spiny-spore quillwort   X X X X X X X X X X X X X X X
Isoetes lacustris Lake quillwort   X X   X       X              
Isoetes prototypus Prototype quillwort         X                      
Isoetes riparia Shore quillwort         X                      
Isoetes tuckermanii Tuckerman's quillwort   X X   X   X       X   X X   X
Isoetes x harveyi Harvey's quillwort         X   X           X      
Lemna minor Lesser duckweed   X X       X   X X     X X   X
Lemna trisulca Star duckweed             X     X            
Limosella australis Southern mudwort         X   X X   X   X   X   X
Lindernia dubia Yellow-seed false-pimpernel X X   X   X X   X X     X X   X
Lindernia dubia var. dubia Yellow-seed false-pimpernel                 X         X    
Lindernia dubia var. inundata Yellow-seed false-pimpernel                       X        
Littorella uniflora American shore-grass   X     X X   X X X       X X  
Lobelia dortmanna Water lobelia X X X X X X X X X X     X X X X
Ludwigia palustris Common water-purslane X   X   X X X   X X     X X   X
Megalodonta beckii Beck's water-marigold X X X X   X X   X X X   X X X X
Menyanthes trifoliata Buckbean   X X X X   X X X X X   X X   X
Myriophyllum alterniflorum Slender water-milfoil   X     X X X     X X   X X    
Myriophyllum farwellii Farwell's water-milfoil   X X X         X   X     X    
Myriophyllum heterophyllum Two-leaf (variable) water-milfoil X   X     X     X             X
Myriophyllum humile Low water-milfoil       X X   X X X X   X   X    
Myriophyllum sibiricum Siberian (American) water-milfoil   X             X X X     X    
Myriophyllum tenellum Leafless water-milfoil X X X X X X X   X X X   X     X
Myriophyllum verticillatum Comb water-milfoil   X X   X X       X X X X X    
Najas flexilis Northern water nymph X X X X X X X X X X X X X X   X
Najas gracillima Thread-like naiad X X X X X X     X X X         X
Najas guadalupensis Southern naiad           X                    
Nuphar lutea advena Yellow pond-lily     X         X       X     X  
Nuphar lutea pumila Yellow pond-lily   X X X         X X     X X    
Nuphar lutea rubrodisca Yellow pond-lily X X       X     X X       X   X
Nuphar lutea variegata Variegated yellow pond-lily X X X X X X X X X X X   X X   X
Nymphaea leibergii Pygmy water-lily   X                 X   X      
Nymphaea odorata White water-lily X X X X X X X X X X X X X X   X
Nymphaea odorata ssp. tuberosa American white waterlily         X                      
Nymphoides cordata Little floating heart X   X X X X X   X X   X X X   X
Peltandra virginica Arrow arum     X           X       X     X
Podostemum ceratophyllum Threadfoot           X X X   X   X X   X  
Polygonum amphibium var. emersum Colored smartweed   X         X                  
Pontederia cordata Pickerelweed X X X X X X X X X X X X X X X X
Potamogeton alpinus Red pondweed   X   X     X   X X X   X X X  
Potamogeton amplifolius Bigleaf pondweed X X X X X X X X X X X X X X   X
Potamogeton bicupulatus Snail-seed pondweed X   X X X       X X       X   X
Potamogeton confervoides Alga-like pondweed     X X X X X   X X         X X
Potamogeton crispus Curly pondweed                               X
Potamogeton epihydrus Ribbonleaf pondweed X X X X X X X X X X X X X X   X
Potamogeton foliosus Leafy pondweed   X         X       X          
Potamogeton friesii Fries' pondweed   X                            
Potamogeton gramineus Variable pondweed X X X X X X X   X X X   X X   X
Potamogeton natans Floating pondweed X X X X X X X   X X X X X X   X
Potamogeton nodosus Long-leaf pondweed             X   X X   X X      
Potamogeton oakesianus Oakes's pondweed X       X   X X X           X X
Potamogeton obtusifolius Blunt-leaf pondweed   X       X     X X X          
Potamogeton perfoliatus Perfoliate pondweed X X X   X X X X X X X X X X   X
Potamogeton praelongus Whitestem pondweed   X X     X     X X X   X X    
Potamogeton pulcher Spotted pondweed     X       X X   X            
Potamogeton pusillus Slender pondweed X X X X X X X X X X X   X X   X
Potamogeton pusillus gemmiparus Slender pondweed         X   X X                
Potamogeton pusillus tenuissimus Slender pondweed X X X   X   X   X X X X   X   X
Potamogeton richardsonii Redhead pondweed X X       X X     X X   X      
Potamogeton robbinsii Robbins' pondweed X X X X X X X X X X X   X X X X
Potamogeton spirillus Northern snail-seed pondweed X X X X X X X X X X X X X X   X
Potamogeton strictifolius Straight-leaved pondweed   X                            
Potamogeton vaseyi Vasey's pondweed   X   X X X       X     X      
Potamogeton x mysticus Mystic pondweed     X                          
Potamogeton zosteriformis Flatstem pondweed   X X     X X   X X X   X X   X
Proserpinaca palustris Marsh mermaid-weed     X   X X     X              
Proserpinaca palustris var. crebra Marsh mermaid-weed                 X              
Ranunculus aquatilis White water crowfoot         X X                   X
Ranunculus aquatilis var. diffusus Threadleaf crowfoot   X   X   X X       X     X    
Ranunculus flabellaris Yellow water butter-cup           X X     X       X    
Ranunculus longirostris White water crowfoot   X                            
Ranunculus trichophyllus White water-crowfoot   X     X X X   X X       X    
Rorippa nasturtium-aquaticum Water-cress     X           X             X
Sagittaria calycina Tidal arrowhead     X       X X   X   X   X   X
Sagittaria cuneata Arum-leaf arrowhead   X       X       X X   X X    
Sagittaria filiformis Narrow-leaf arrowhead           X                    
Sagittaria graminea Grass-leaved arrowhead X   X   X X X X X X X X X X    
Sagittaria latifolia Common arrowhead X X X   X X X X X X     X X   X
Sagittaria rigida Stiff arrowhead           X   X       X        
Samolus valerandi Water pimpernel                   X   X   X   X
Schoenoplectus subterminalis Water bulrush X   X   X X     X       X     X
Schoenoplectus tabernaemontani Soft-stem bulrush   X X   X                      
Sium suave Water-parsnip X X X   X X X   X X X X X X X X
Sparganium americanum American bur-reed X X X X X X X X X X   X X X X X
Sparganium androcladum Branching bur-eed     X                          
Sparganium angustifolium Narrowleaf bur-reed X X X X X X X X X X X   X X   X
Sparganium eurycarpum Giant bur-reed           X X     X X X   X   X
Sparganium fluctuans Floating bur-reed X X X X X X X X X X X X X X X X
Sparganium natans Small bur-reed   X     X X                    
Spirodela polyrhiza Greater duckweed X X       X     X X       X   X
Stuckenia filiformis Fineleaf pondweed   X                            
Stuckenia filiformis var. alpinus Northern fineleaf pondweed   X                            
Stuckenia filiformis var. occidentalis Western fineleaf pondweed   X                            
Stuckenia pectinata Sago pondweed   X X   X         X   X     X  
Subularia aquatica Water awlwort X X X X X X X   X X X   X   X X
Utricularia cornuta Horned bladderwort X X X X X   X   X X     X X   X
Utricularia geminiscapa Mixed bladderwort X     X X X X X X       X X   X
Utricularia gibba Creeping bladderwort   X X   X X X X X       X     X
Utricularia intermedia Northern bladderwort X X X X X X X   X X X     X   X
Utricularia macrorhiza Common bladderwort X X X X X X X X X X   X X X X X
Utricularia minor Lesser bladderwort   X   X X                 X   X
Utricularia purpurea Spotted bladderwort X   X X X X X X X X X X X X   X
Utricularia radiata Floating bladderwort X   X   X X X X X       X X   X
Utricularia resupinata Small purple bladderwort X   X X X   X   X       X   X X
Vallisneria americana Tapegrass X       X X X X X X   X X X   X
Wolffia columbiana Coumbia water-meal     X     X                   X
Zannichellia palustris Horned pondweed         X   X X   X   X   X   X
Zizania aquatica Annual wildrice   X     X X   X X X   X        
Zizania palustris Northern wildrice     X                          
Zosterella dubia Water stargrass   X     X X       X     X      


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