| argentina | | potamogeton gayi | species | 8 | 0 |
| australia | | potamogeton crispus | species | 1 | 0 |
| australia | | potamogeton crispus x potamogeton ochreatus | species | 5 | 0 |
| australia | | potamogeton ochreatus | species | 2 | 0 |
| australia | | potamogeton perfoliatus | species | 1 | 0 |
| australia | | potamogeton tepperi | species | 3 | 0 |
| australia | new south wales | potamogeton sulcatus | species | 1 | 0 |
| australia | queensland | potamogeton tepperi | species | 1 | 0 |
| australia | western australia | potamogeton ochreatus | species | 2 | 0 |
| austria | | potamogeton coloratus | species | 3 | 0 |
| austria | | potamogeton perfoliatus | species | 3 | 0 |
| bosnia and herzegovina | | potamogeton perfoliatus | species | 2 | 0 |
| canada | | potamogeton obtusifolius | species | 1 | 0 |
| canada | | potamogeton richardsonii | species | 1 | 0 |
| canada | | potamogeton zosteriformis | species | 2 | 0 |
| canada | british columbia | potamogeton gramineus | species | 1 | 0 |
| canada | british columbia | potamogeton illinoensis | species | 1 | 0 |
| canada | british columbia | potamogeton nodosus | species | 1 | 0 |
| canada | british columbia | potamogeton zosteriformis | species | 8 | 0 |
| canada | manitoba | potamogeton obtusifolius | species | 4 | 0 |
| canada | northwest territories | potamogeton alpinus | species | 2 | 0 |
| canada | ontario | potamogeton crispus | species | 2 | 0 |
| canada | ontario | potamogeton natans | species | 4 | 0 |
| canada | ontario | potamogeton richardsonii | species | 2 | 0 |
| canada | quebec | potamogeton epihydrus | species | 1 | 0 |
| canada | quebec | potamogeton oakesianus | species | 2 | 0 |
| canada | yukon | potamogeton friesii | species | 2 | 0 |
| canada | yukon | potamogeton pusillus | species | 2 | 0 |
| china | | potamogeton alpinus | species | 6 | 0 |
| china | | potamogeton compressus | species | 17 | 0 |
| china | | potamogeton crispus | species | 6 | 0 |
| china | | potamogeton cristatus | species | 3 | 0 |
| china | | potamogeton distinctus | species | 11 | 0 |
| china | | potamogeton gramineus | species | 13 | 0 |
| china | | potamogeton hubeiensis | species | 2 | 0 |
| china | | potamogeton intortusifolius | species | 6 | 0 |
| china | | potamogeton lucens | species | 9 | 0 |
| china | | potamogeton maackianus | species | 7 | 0 |
| china | | potamogeton natans | species | 7 | 0 |
| china | | potamogeton octandrus | species | 10 | 0 |
| china | | potamogeton oxyphyllus | species | 14 | 0 |
| china | | potamogeton perfoliatus | species | 9 | 0 |
| china | | potamogeton praelongus | species | 3 | 0 |
| china | | potamogeton pusillus | species | 10 | 0 |
| china | | potamogeton wrightii | species | 9 | 0 |
| china | | potamogeton x malainoides | species | 3 | 0 |
| china | | potamogeton x orientalis | species | 3 | 0 |
| china | heilongjiang | potamogeton acutifolius | species | 1 | 0 |
| china | heilongjiang | potamogeton berchtoldii | species | 38 | 0 |
| china | heilongjiang | potamogeton cristatus | species | 2 | 0 |
| china | heilongjiang | potamogeton distinctus | species | 2 | 0 |
| china | heilongjiang | potamogeton foliosus | species | 2 | 0 |
| china | heilongjiang | potamogeton lucens | species | 2 | 0 |
| china | heilongjiang | potamogeton maackianus | species | 4 | 0 |
| china | heilongjiang | potamogeton maackianus x potamogeton acutifolius | species | 1 | 0 |
| china | heilongjiang | potamogeton natans | species | 2 | 0 |
| china | heilongjiang | potamogeton obtusifolius | species | 2 | 0 |
| china | heilongjiang | potamogeton octandrus | species | 2 | 0 |
| china | heilongjiang | potamogeton perfoliatus | species | 2 | 0 |
| china | heilongjiang | potamogeton praelongus | species | 2 | 0 |
| china | heilongjiang | potamogeton praelongus x potamogeton wrightii | species | 2 | 0 |
| china | heilongjiang | potamogeton wrightii | species | 2 | 0 |
| china | heilongjiang | potamogeton wrightii x potamogeton praelongus | species | 7 | 0 |
| china | henan | potamogeton crispus | species | 2 | 0 |
| china | henan | potamogeton foliosus | species | 2 | 0 |
| china | henan | potamogeton perfoliatus | species | 2 | 0 |
| china | henan | potamogeton perfoliatus x potamogeton praelongus | species | 69 | 0 |
| china | henan | potamogeton wrightii | species | 1 | 0 |
| china | henan | potamogeton x anguillanus | species | 2 | 0 |
| china | hubei | potamogeton cristatus | species | 4 | 0 |
| china | hubei | potamogeton distinctus x potamogeton nodosus | species | 44 | 0 |
| china | hubei | potamogeton malaianus | species | 2 | 0 |
| china | hubei | potamogeton nodosus | species | 4 | 0 |
| china | hubei | potamogeton octandrus | species | 17 | 0 |
| china | hubei | potamogeton octandrus x potamogeton cristatus | species | 4 | 0 |
| china | hubei | potamogeton octandrus x potamogeton foliosus | species | 8 | 0 |
| china | hubei | potamogeton oxyphyllus | species | 2 | 0 |
| china | hubei | potamogeton pusillus x potamogeton oxyphyllus | species | 2 | 0 |
| china | hubei | potamogeton wrightii | species | 2 | 0 |
| china | hubei | potamogeton x anguillanus | species | 2 | 0 |
| china | jilin | potamogeton natans | species | 7 | 0 |
| china | qinghai | potamogeton foliosus | species | 24 | 0 |
| china | shanxi | potamogeton distinctus | species | 1 | 0 |
| china | shanxi | potamogeton distinctus x potamogeton wrightii | species | 2 | 0 |
| china | shanxi | potamogeton malaianus | species | 2 | 0 |
| china | shanxi | potamogeton perfoliatus | species | 4 | 0 |
| china | shanxi | potamogeton pusillus | species | 4 | 0 |
| china | shanxi | potamogeton wrightii | species | 2 | 0 |
| china | shanxi | potamogeton wrightii x potamogeton distinctus | species | 2 | 0 |
| china | shanxi | potamogeton wrightii x potamogeton perfoliatus | species | 2 | 0 |
| china | shanxi | potamogeton wrightii x potamogeton x anguillanus | species | 2 | 0 |
| china | shanxi | potamogeton x anguillanus | species | 2 | 0 |
| china | sichuan | potamogeton gramineus | species | 1 | 0 |
| china | yunnan | potamogeton acutifolius | species | 1 | 0 |
| china | yunnan | potamogeton crispus | species | 0 | 1 |
| china | yunnan | potamogeton distinctus | species | 4 | 0 |
| china | yunnan | potamogeton distinctus x potamogeton gramineus | species | 3 | 0 |
| china | yunnan | potamogeton distinctus x potamogeton nodosus | species | 4 | 0 |
| china | yunnan | potamogeton distinctus x potamogeton wrightii | species | 2 | 0 |
| china | yunnan | potamogeton foliosus | species | 4 | 0 |
| china | yunnan | potamogeton gramineus | species | 2 | 0 |
| china | yunnan | potamogeton lucens | species | 2 | 0 |
| china | yunnan | potamogeton natans | species | 2 | 0 |
| china | yunnan | potamogeton nodosus | species | 2 | 0 |
| china | yunnan | potamogeton nodosus x potamogeton wrightii | species | 4 | 0 |
| china | yunnan | potamogeton octandrus | species | 452 | 0 |
| china | yunnan | potamogeton octandrus x potamogeton foliosus | species | 22 | 0 |
| china | yunnan | potamogeton pusillus x potamogeton berchtoldii | species | 2 | 0 |
| china | yunnan | potamogeton wrightii | species | 2 | 0 |
| china | zhejiang | potamogeton crispus | species | 45 | 0 |
| china | zhejiang | potamogeton cristatus | species | 2 | 0 |
| china | zhejiang | potamogeton maackianus | species | 2 | 0 |
| china | zhejiang | potamogeton octandrus | species | 6 | 0 |
| china | zhejiang | potamogeton wrightii | species | 40 | 0 |
| czech republic | | potamogeton acutifolius | species | 2 | 0 |
| czech republic | | potamogeton alpinus | species | 3 | 0 |
| czech republic | | potamogeton berchtoldii | species | 2 | 0 |
| czech republic | | potamogeton crispus | species | 7 | 0 |
| czech republic | | potamogeton gramineus | species | 16 | 0 |
| czech republic | | potamogeton lucens | species | 3 | 0 |
| czech republic | | potamogeton natans | species | 2 | 0 |
| czech republic | | potamogeton nodosus | species | 2 | 0 |
| czech republic | | potamogeton obtusifolius | species | 2 | 0 |
| czech republic | | potamogeton perfoliatus | species | 2 | 0 |
| czech republic | | potamogeton polygonifolius | species | 3 | 0 |
| czech republic | | potamogeton pusillus | species | 1 | 0 |
| czech republic | | potamogeton trichoides | species | 1 | 0 |
| czech republic | | potamogeton x schreberi | species | 2 | 0 |
| denmark | | potamogeton lucens x potamogeton nodosus | species | 9 | 0 |
| denmark | | potamogeton obtusifolius | species | 3 | 0 |
| estonia | | potamogeton compressus | species | 1 | 0 |
| finland | | potamogeton alpinus | species | 2 | 0 |
| finland | | potamogeton alpinus x potamogeton natans | species | 14 | 0 |
| finland | | potamogeton gramineus | species | 3 | 0 |
| finland | | potamogeton lucens | species | 2 | 0 |
| finland | | potamogeton natans | species | 2 | 0 |
| finland | | potamogeton praelongus | species | 2 | 0 |
| finland | | potamogeton rutilus | species | 2 | 0 |
| finland | uusimaa region | potamogeton rutilus | species | 3 | 0 |
| france | | potamogeton gramineus | species | 8 | 0 |
| france | | potamogeton nodosus | species | 3 | 0 |
| germany | | potamogeton coloratus | species | 3 | 0 |
| germany | | potamogeton crispus | species | 2 | 0 |
| germany | | potamogeton gramineus | species | 1 | 0 |
| germany | | potamogeton lucens | species | 2 | 0 |
| germany | | potamogeton natans | species | 2 | 0 |
| germany | | potamogeton perfoliatus | species | 4 | 0 |
| germany | | potamogeton polygonifolius | species | 2 | 0 |
| germany | | potamogeton praelongus | species | 3 | 0 |
| germany | | potamogeton x nitens | species | 1 | 0 |
| germany | baden-wuerttemberg | potamogeton perfoliatus | species | 1 | 0 |
| greenland | | potamogeton berchtoldii x potamogeton sibiricus | species | 2 | 0 |
| hungary | | potamogeton natans | species | 1 | 0 |
| india | | potamogeton crispus | species | 2 | 0 |
| india | | potamogeton distinctus | species | 3 | 0 |
| india | | potamogeton trichoides | species | 2 | 0 |
| iran | | potamogeton crispus | species | 12 | 0 |
| iran | | potamogeton friesii | species | 2 | 0 |
| iran | | potamogeton pusillus | species | 10 | 0 |
| iran | | potamogeton trichoides | species | 2 | 0 |
| italy | | potamogeton distinctus | species | 1 | 0 |
| italy | | potamogeton praelongus | species | 3 | 0 |
| italy | | potamogeton schweinfurthii | species | 2 | 0 |
| japan | | potamogeton berchtoldii | species | 1 | 0 |
| japan | | potamogeton distinctus | species | 10 | 0 |
| japan | | potamogeton fryeri | species | 1 | 0 |
| japan | | potamogeton lucens | species | 6 | 0 |
| japan | | potamogeton maackianus | species | 1 | 0 |
| japan | | potamogeton octandrus | species | 2 | 0 |
| japan | | potamogeton oxyphyllus | species | 2 | 0 |
| japan | | potamogeton perfoliatus | species | 6 | 0 |
| japan | | potamogeton wrightii | species | 3 | 0 |
| japan | aomori prefecture | potamogeton distinctus | species | 1 | 0 |
| japan | aomori prefecture | potamogeton gramineus | species | 22 | 0 |
| japan | aomori prefecture | potamogeton lucens | species | 18 | 0 |
| japan | aomori prefecture | potamogeton natans | species | 1 | 0 |
| japan | aomori prefecture | potamogeton octandrus | species | 4 | 0 |
| japan | aomori prefecture | potamogeton perfoliatus | species | 1 | 0 |
| japan | aomori prefecture | potamogeton pusillus | species | 4 | 0 |
| japan | chiba prefecture | potamogeton dentatus | species | 2 | 0 |
| japan | chiba prefecture | potamogeton lucens | species | 3 | 0 |
| japan | chiba prefecture | potamogeton lucens var. teganumensis | varietas | 2 | 0 |
| japan | chiba prefecture | potamogeton wrightii | species | 5 | 0 |
| japan | chiba prefecture | potamogeton x inbaensis | species | 4 | 0 |
| japan | ehime prefecture | potamogeton berchtoldii | species | 2 | 0 |
| japan | ehime prefecture | potamogeton cristatus | species | 2 | 0 |
| japan | ehime prefecture | potamogeton distinctus | species | 4 | 0 |
| japan | ehime prefecture | potamogeton malainoides | species | 5 | 0 |
| japan | ehime prefecture | potamogeton oxyphyllus | species | 3 | 0 |
| japan | ehime prefecture | potamogeton perfoliatus | species | 3 | 0 |
| japan | ehime prefecture | potamogeton pusillus | species | 2 | 0 |
| japan | ehime prefecture | potamogeton wrightii | species | 4 | 0 |
| japan | ehime prefecture | potamogeton x apertus | species | 3 | 0 |
| japan | fukuoka prefecture | potamogeton dentatus | species | 4 | 0 |
| japan | fukuoka prefecture | potamogeton maackianus | species | 4 | 0 |
| japan | fukuoka prefecture | potamogeton x inbaensis | species | 1 | 0 |
| japan | fukushima prefecture | potamogeton gramineus | species | 1 | 0 |
| japan | hokkaido prefecture | potamogeton alpinus | species | 3 | 0 |
| japan | hokkaido prefecture | potamogeton compressus | species | 5 | 0 |
| japan | hokkaido prefecture | potamogeton fryeri | species | 1 | 0 |
| japan | hokkaido prefecture | potamogeton gramineus | species | 1 | 0 |
| japan | hokkaido prefecture | potamogeton natans | species | 8 | 0 |
| japan | hokkaido prefecture | potamogeton obtusifolius | species | 4 | 0 |
| japan | hokkaido prefecture | potamogeton octandrus | species | 1 | 0 |
| japan | hokkaido prefecture | potamogeton praelongus | species | 9 | 0 |
| japan | hyogo prefecture | potamogeton distinctus | species | 4 | 0 |
| japan | hyogo prefecture | potamogeton fryeri | species | 22 | 0 |
| japan | hyogo prefecture | potamogeton malaianus | species | 1 | 0 |
| japan | hyogo prefecture | potamogeton octandrus | species | 4 | 0 |
| japan | hyogo prefecture | potamogeton oxyphyllus | species | 6 | 0 |
| japan | ibaraki prefecture | potamogeton wrightii | species | 3 | 0 |
| japan | kanagawa prefecture | potamogeton x nitens | species | 2 | 0 |
| japan | kumamoto prefecture | potamogeton malaianus | species | 1 | 0 |
| japan | nagano prefecture | potamogeton alpinus | species | 1 | 0 |
| japan | nagano prefecture | potamogeton pusillus | species | 6 | 0 |
| japan | nara prefecture | potamogeton cristatus | species | 9 | 0 |
| japan | shiga prefecture | potamogeton crispus | species | 4 | 0 |
| japan | shiga prefecture | potamogeton maackianus | species | 2 | 0 |
| japan | shiga prefecture | potamogeton malaianus | species | 5 | 0 |
| japan | shiga prefecture | potamogeton oxyphyllus | species | 4 | 0 |
| japan | shiga prefecture | potamogeton perfoliatus | species | 18 | 0 |
| japan | shiga prefecture | potamogeton wrightii | species | 16 | 0 |
| japan | shiga prefecture | potamogeton x anguillanus | species | 2 | 0 |
| japan | shimane prefecture | potamogeton wrightii x potamogeton perfoliatus | species | 8 | 0 |
| kenya | | potamogeton schweinfurthii | species | 2 | 0 |
| lithuania | | potamogeton bambergensis | species | 2 | 0 |
| lithuania | | potamogeton x nerviger | species | 9 | 0 |
| mexico | | potamogeton nodosus | species | 6 | 0 |
| montenegro | | potamogeton gramineus | species | 4 | 0 |
| myanmar | | potamogeton distinctus | species | 12 | 0 |
| myanmar | | potamogeton distinctus x potamogeton nodosus | species | 6 | 0 |
| myanmar | | potamogeton x malainoides | species | 7 | 0 |
| myanmar | shan | potamogeton maackianus | species | 9 | 0 |
| netherlands | | potamogeton lucens | species | 6 | 0 |
| new zealand | | potamogeton cheesemanii | species | 4 | 0 |
| new zealand | | potamogeton ochreatus | species | 6 | 0 |
| new zealand | | potamogeton suboblongus | species | 4 | 0 |
| poland | | potamogeton acutifolius | species | 4 | 0 |
| poland | | potamogeton bambergensis | species | 4 | 0 |
| poland | | potamogeton compressus | species | 1 | 0 |
| poland | lesser poland province | potamogeton acutifolius | species | 8 | 0 |
| portugal | | potamogeton lucens | species | 1 | 0 |
| portugal | | potamogeton nodosus | species | 2 | 0 |
| portugal | | potamogeton polygonifolius | species | 4 | 0 |
| portugal | | potamogeton pusillus | species | 2 | 0 |
| portugal | | potamogeton schweinfurthii | species | 2 | 0 |
| russia | | potamogeton alpinus | species | 1 | 0 |
| russia | | potamogeton berchtoldii | species | 1 | 0 |
| russia | | potamogeton compressus | species | 2 | 0 |
| russia | | potamogeton sarmaticus | species | 2 | 0 |
| russia | | potamogeton sibiricus | species | 3 | 0 |
| russia | irkutsk oblast | potamogeton alpinus | species | 2 | 0 |
| russia | irkutsk oblast | potamogeton lucens | species | 2 | 0 |
| russia | kamchatka krai | potamogeton perfoliatus | species | 3 | 0 |
| russia | primorsky krai | potamogeton obtusifolius | species | 4 | 0 |
| russia | tuva republic | potamogeton perfoliatus | species | 8 | 0 |
| russia | vologda oblast | potamogeton x vepsicus | species | 7 | 0 |
| russia | voronezh oblast | potamogeton sarmaticus | species | 4 | 0 |
| slovakia | | potamogeton gramineus | species | 2 | 0 |
| south korea | | potamogeton crispus | species | 1 | 0 |
| sweden | | potamogeton acutifolius | species | 1 | 0 |
| sweden | | potamogeton compressus | species | 1 | 0 |
| sweden | | potamogeton gramineus | species | 2 | 0 |
| sweden | | potamogeton gramineus x potamogeton nodosus | species | 4 | 0 |
| sweden | | potamogeton perfoliatus | species | 2 | 0 |
| sweden | | potamogeton x nitens | species | 7 | 0 |
| sweden | | potamogeton x torssanderi | species | 1 | 0 |
| switzerland | | potamogeton natans | species | 3 | 0 |
| switzerland | | potamogeton perfoliatus | species | 3 | 0 |
| thailand | | potamogeton distinctus | species | 6 | 0 |
| turkey | | potamogeton acutifolius | species | 4 | 0 |
| turkey | | potamogeton alpinus | species | 1 | 0 |
| turkey | | potamogeton berchtoldii | species | 6 | 0 |
| turkey | | potamogeton berchtoldii x potamogeton trichoides | species | 2 | 0 |
| turkey | | potamogeton crispus | species | 4 | 0 |
| turkey | | potamogeton gramineus | species | 1 | 0 |
| turkey | | potamogeton lucens | species | 1 | 0 |
| turkey | | potamogeton natans | species | 1 | 0 |
| turkey | | potamogeton nodosus | species | 4 | 0 |
| turkey | | potamogeton obtusifolius x potamogeton berchtoldii | species | 5 | 0 |
| turkey | | potamogeton perfoliatus | species | 1 | 0 |
| turkey | | potamogeton praelongus | species | 1 | 0 |
| turkey | | potamogeton pusillus | species | 4 | 0 |
| turkey | | potamogeton trichoides | species | 3 | 0 |
| turkey | erzurum province | potamogeton natans | species | 0 | 1 |
| united kingdom | | potamogeton acutifolius | species | 5 | 0 |
| united kingdom | | potamogeton berchtoldii | species | 2 | 0 |
| united kingdom | | potamogeton coloratus | species | 1 | 0 |
| united kingdom | | potamogeton compressus | species | 2 | 0 |
| united kingdom | | potamogeton crispus | species | 1 | 0 |
| united kingdom | | potamogeton epihydrus | species | 1 | 0 |
| united kingdom | | potamogeton gramineus | species | 3 | 0 |
| united kingdom | | potamogeton lucens | species | 3 | 0 |
| united kingdom | | potamogeton natans | species | 1 | 0 |
| united kingdom | | potamogeton nodosus | species | 3 | 0 |
| united kingdom | | potamogeton obtusifolius | species | 1 | 0 |
| united kingdom | | potamogeton praelongus | species | 7 | 0 |
| united kingdom | | potamogeton pusillus | species | 2 | 0 |
| united kingdom | | potamogeton rutilus | species | 8 | 0 |
| united states | | potamogeton amplifolius | species | 2 | 0 |
| united states | | potamogeton berchtoldii | species | 1 | 0 |
| united states | | potamogeton berchtoldii subsp. clystocarpus | subspecies | 1 | 0 |
| united states | | potamogeton berchtoldii subsp. gemmiparus | subspecies | 2 | 0 |
| united states | | potamogeton bicupulatus | species | 2 | 0 |
| united states | | potamogeton confervoides | species | 3 | 0 |
| united states | | potamogeton epihydrus | species | 2 | 0 |
| united states | | potamogeton foliosus | species | 3 | 0 |
| united states | | potamogeton friesii | species | 2 | 0 |
| united states | | potamogeton gramineus | species | 8 | 0 |
| united states | | potamogeton hillii | species | 2 | 0 |
| united states | | potamogeton nodosus | species | 1 | 0 |
| united states | | potamogeton oakesianus | species | 1 | 0 |
| united states | | potamogeton perfoliatus | species | 1 | 0 |
| united states | | potamogeton pulcher | species | 1 | 0 |
| united states | | potamogeton pusillus | species | 2 | 0 |
| united states | | potamogeton richardsonii | species | 1 | 0 |
| united states | | potamogeton robbinsii | species | 2 | 0 |
| united states | | potamogeton spirillus | species | 2 | 0 |
| united states | | potamogeton strictifolius | species | 2 | 0 |
| united states | | potamogeton vaseyi | species | 3 | 0 |
| united states | | potamogeton zosteriformis | species | 1 | 0 |
| united states | connecticut | potamogeton amplifolius | species | 4 | 0 |
| united states | connecticut | potamogeton berchtoldii | species | 2 | 0 |
| united states | connecticut | potamogeton bicupulatus | species | 6 | 0 |
| united states | connecticut | potamogeton bicupulatus x potamogeton epihydrus | species | 1 | 0 |
| united states | connecticut | potamogeton crispus | species | 15 | 0 |
| united states | connecticut | potamogeton epihydrus | species | 3 | 0 |
| united states | connecticut | potamogeton natans | species | 2 | 0 |
| united states | connecticut | potamogeton pulcher | species | 2 | 0 |
| united states | connecticut | potamogeton pusillus | species | 4 | 0 |
| united states | connecticut | potamogeton robbinsii | species | 4 | 0 |
| united states | connecticut | potamogeton spirillus | species | 7 | 0 |
| united states | connecticut | potamogeton zosteriformis | species | 3 | 0 |
| united states | florida | potamogeton diversifolius | species | 1 | 0 |
| united states | louisiana | potamogeton diversifolius | species | 3 | 0 |
| united states | maine | potamogeton epihydrus | species | 2 | 0 |
| united states | maine | potamogeton gramineus | species | 4 | 0 |
| united states | maine | potamogeton gramineus x potamogeton nodosus | species | 4 | 0 |
| united states | maine | potamogeton perfoliatus x potamogeton epihydrus | species | 1 | 0 |
| united states | maine | potamogeton perfoliatus x potamogeton richardsonii | species | 2 | 0 |
| united states | maine | potamogeton praelongus | species | 2 | 0 |
| united states | maine | potamogeton pusillus | species | 3 | 0 |
| united states | maine | potamogeton richardsonii | species | 11 | 0 |
| united states | maine | potamogeton spirillus | species | 1 | 0 |
| united states | maine | potamogeton strictifolius | species | 3 | 0 |
| united states | maine | potamogeton x nitens | species | 1 | 0 |
| united states | massachusetts | potamogeton bicupulatus | species | 5 | 0 |
| united states | massachusetts | potamogeton illinoensis | species | 3 | 0 |
| united states | massachusetts | potamogeton natans | species | 4 | 0 |
| united states | massachusetts | potamogeton nodosus | species | 1 | 0 |
| united states | massachusetts | potamogeton oakesianus | species | 2 | 0 |
| united states | massachusetts | potamogeton pulcher | species | 2 | 0 |
| united states | michigan | potamogeton nodosus | species | 2 | 0 |
| united states | michigan | potamogeton praelongus | species | 2 | 0 |
| united states | montana | potamogeton gramineus | species | 1 | 0 |
| united states | new hampshire | potamogeton amplifolius | species | 3 | 0 |
| united states | new hampshire | potamogeton berchtoldii subsp. gemmiparus | subspecies | 8 | 0 |
| united states | new hampshire | potamogeton oakesianus | species | 2 | 0 |
| united states | new hampshire | potamogeton oakesianus x potamogeton gramineus | species | 1 | 0 |
| united states | new hampshire | potamogeton vaseyi | species | 3 | 0 |
| united states | new york | potamogeton nodosus | species | 2 | 0 |
| united states | new york | potamogeton perfoliatus | species | 2 | 0 |
| united states | texas | potamogeton diversifolius | species | 3 | 0 |
| united states | texas | potamogeton nodosus | species | 3 | 0 |
| united states | vermont | potamogeton alpinus | species | 2 | 0 |
| united states | vermont | potamogeton confervoides | species | 8 | 0 |
| united states | vermont | potamogeton foliosus | species | 3 | 0 |
| united states | vermont | potamogeton friesii | species | 3 | 0 |
| united states | vermont | potamogeton gramineus | species | 2 | 0 |
| united states | vermont | potamogeton hillii | species | 3 | 0 |
| united states | vermont | potamogeton natans | species | 2 | 0 |
| united states | vermont | potamogeton nodosus | species | 4 | 0 |
| united states | vermont | potamogeton obtusifolius | species | 5 | 0 |
| united states | vermont | potamogeton perfoliatus | species | 2 | 0 |
| united states | vermont | potamogeton vaseyi | species | 7 | 0 |
| united states | wyoming | potamogeton gramineus | species | 2 | 0 |
| united states | wyoming | potamogeton natans | species | 2 | 0 |