Alismataceae GH: 01617945 Alisma subcordatum Pursh USA: New Jersey Clearwater Lake (Lake Iliff) Pickneyville C. B. Hellquist 4186 1972-6-2
GH: 01617946 Alisma subcordatum Pursh USA: New Jersey Taylortown reservoir at inlet Taylortown C. B. Hellquist 4242 1972-6-3
Brassicaceae GH: 00691703 Rorippa amphibia (Linnaeus) Besser USA: Massachusetts Grafton: Grafton C. B. Hellquist 4922 1972-6-25
GH: 00691704 Rorippa amphibia (Linnaeus) Besser USA: Massachusetts Westborough: Westborough C. B. Hellquist 4361 1972-6-20
Cabombaceae NEBC: 00578677 Cabomba caroliniana A. Gray USA: Massachusetts East Brookfield: East Brookfield C. B. Hellquist 4687 1972-9-17
Ceratophyllaceae GH: 02073427 Ceratophyllum echinatum A. Gray USA: New Jersey [data not captured] C. B. Hellquist 4178 1972-6-2
Haloragaceae NEBC: 00580674 Myriophyllum heterophyllum Michaux USA: Massachusetts Hopedale: Hopedale C. B. Hellquist 4440 1972-6-24
NEBC: 00580675 Myriophyllum heterophyllum Michaux USA: Massachusetts Milford: Milford C. B. Hellquist 4410 1972-6-24
NEBC: 01071004 Myriophyllum sibiricum Komarov USA: Maine T17 R4 C. B. Hellquist 4692 1972-8-2
NEBC: 01071005 Myriophyllum sibiricum Komarov USA: Maine Presque Isle: Presque Isle C. B. Hellquist 4692 1972-7-17
NEBC: 00580687 Myriophyllum spicatum Linnaeus USA: Massachusetts Monterey: Monterey C. B. Hellquist 4521 1972-6-26
NEBC: 00580688 Myriophyllum spicatum Linnaeus USA: Massachusetts Lee: Lee C. B. Hellquist 4504 1972-6-26
NEBC: 01071249 Proserpinaca palustris crebra Fernald & Griscom USA: Massachusetts Milford: Milford C. B. Hellquist 4437 1972-6-24
Hippuridaceae NEBC: 00664960 Hippuris vulgaris Linnaeus USA: Maine New Sweden: New Sweden C. B. Hellquist 4602 1972-8-2
NEBC: 00664966 Hippuris vulgaris Linnaeus USA: Maine T17 R4 C. B. Hellquist 4613 1972-8-2
Lentibulariaceae NEBC: 00093365 Utricularia purpurea alba Hellquist USA: New Hampshire Wakefield, small unnamed pond southeast of D... C. B. Hellquist 8935 1972-8-29
Lythraceae NEBC: 00283762 Trapa natans Linnaeus USA: Massachusetts Cambridge: Small pond on north side of Fresh... C. B. Hellquist 4689 1972-9-28
Marsileaceae NEBC: 00579759 Marsilea quadrifolia Linnaeus USA: Massachusetts Framingham: Framingham, Sudbury River Centra... C. B. Hellquist 4684 1972-9-10
Nymphaeaceae NEBC: 00768863 Nymphaea leibergii Morong USA: Maine Sinclair C. B. Hellquist 4608 1972-8-2
NEBC: 01014328 Nymphaea odorata Aiton USA: Maine Biddeford: Biddeford C. B. Hellquist 4639 1972-8-10
NEBC: 01014367 Nymphaea odorata Aiton USA: New Hampshire Barrington: Barrington C. B. Hellquist 4529 1972-7-11
NEBC: 01014383 Nymphaea odorata Aiton USA: Vermont Fairlee: Fairlee C. B. Hellquist 4577 1972-7-24
NEBC: 01014384 Nymphaea odorata Aiton USA: Vermont West Fairlee: West Fairlee C. B. Hellquist 4584 1972-7-24
Onagraceae GH: 01780140 Ludwigia palustris (Linnaeus) Elliott USA: New Jersey Clearwater Lake (Lake Iliff) Pickneyville [A... C. B. Hellquist 4191 1972-6-2
Plantaginaceae GH: 02212594 Callitriche palustris Linnaeus USA: New Jersey [data not captured] C. B. Hellquist 4211 1972-6-2
Podostemaceae NEBC: 01017186 Podostemum ceratophyllum Michaux USA: New Hampshire Durham: Durham C. B. Hellquist 1972-9-30
NEBC: 01017188 Podostemum ceratophyllum Michaux USA: New Hampshire Dover: Dover C. B. Hellquist 1972-9-13
Pontederiaceae NEBC: 00700411 Heteranthera dubia MacMillan USA: Vermont Ferrisburg C. B. Hellquist 5493 1972-7-18
GH: 01919161 Heteranthera dubia MacMillan USA: New York Dunham Marsh. Lake George. Queensbury C. B. Hellquist [data not captured] 7100 1972-9-24
Potamogetonaceae GH: 00449640 Potamogeton amplifolius Tuckerman USA: New Jersey [data not captured] C. B. Hellquist 4236 1972-6-3
GH: 00449641 Potamogeton amplifolius Tuckerman USA: New Jersey [data not captured] C. B. Hellquist 4157 1972-6-2
NEBC: 00606084 Potamogeton crispus Linnaeus USA: Vermont Ferrisburg C. B. Hellquist 5543 1972-7-18
NEBC: 00606085 Potamogeton crispus Linnaeus USA: Vermont Castleton: Castleton C. B. Hellquist 4568 1972-7-19
GH: 01564767 Potamogeton epihydrus Rafinesque USA: New York Dunham Marsh, Lake George, Queensbury C. B. Hellquist 7090 1972-9-24
GH: 01572945 Potamogeton gramineus Linnaeus USA: New York Dunham Marsh-Lake George, Queensbury C. B. Hellquist [data not captured] 7076 1972-9-24
GH: 01572964 Potamogeton gramineus Linnaeus USA: New York Dunham Marsh-Lake George, Queensbury C. B. Hellquist [data not captured] 7097 1972-9-24
NEBC: 00741092 Potamogeton hillii Morong USA: Massachusetts Richmond: Richmond C. B. Hellquist 4665 1972-9-6
GH: 01688130 Potamogeton hillii Morong USA: New York marsh ca. 2 miles north of Dresden Station, ... C. B. Hellquist [data not captured] 7112 1972-9-24
GH: 01695325 Potamogeton perfoliatus Linnaeus USA: New York Dunham Marsh - Lake George. Queensbury C. B. Hellquist [data not captured] 7088 1972-9-24
GH: 01746038 Potamogeton pusillus tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist USA: New York Dunham Marsh. Lake George. Queensbury C. B. Hellquist [data not captured] 7068 1972-9-24
NEBC: 00712107 Potamogeton pusillus tenuissimus Mertens & Koch USA: Maine Madawaska: Madawaska C. B. Hellquist 5974 1972-8-2
NEBC: 00712126 Potamogeton pusillus tenuissimus Mertens & Koch USA: Maine Waterboro: Waterboro C. B. Hellquist 4641 1972-8-10
NEBC: 00712132 Potamogeton pusillus tenuissimus Mertens & Koch USA: Maine Biddeford: Biddeford C. B. Hellquist 4640 1972-8-10
NEBC: 00700579 Potamogeton pusillus tenuissimus Mertens & Koch USA: Vermont Ferrisburg C. B. Hellquist 1972-7-18
NEBC: 00700580 Potamogeton pusillus tenuissimus Mertens & Koch USA: Vermont Ferrisburg C. B. Hellquist 4543 1972-7-18
NEBC: 00700736 Potamogeton pusillus tenuissimus Mertens & Koch USA: Massachusetts Lee: Lee C. B. Hellquist 4505 1972-6-26
NEBC: 00700742 Potamogeton pusillus tenuissimus Mertens & Koch USA: Massachusetts Stockbridge: Stockbridge C. B. Hellquist 4508 1972-6-26
NEBC: 00700743 Potamogeton pusillus tenuissimus Mertens & Koch USA: Massachusetts Stockbridge: Stockbridge C. B. Hellquist 4693 1972-9-6
NEBC: 00700747 Potamogeton pusillus tenuissimus Mertens & Koch USA: Massachusetts West Stockbridge: West Stockbridge C. B. Hellquist 4677 1972-9-6
NEBC: 00712233 Potamogeton pusillus tenuissimus Mertens & Koch USA: Connecticut Sharon: Sharon C. B. Hellquist 4680 1972-9-6
NEBC: 00741142 Stuckenia filiformis alpina (Blytt) Haynes, D.H. Les & M. Kral USA: New Hampshire Colebrook: Colebrook C. B. Hellquist 6219 1972-8-7
NEBC: 00741149 Stuckenia filiformis alpina (Blytt) Haynes, D.H. Les & M. Kral USA: Vermont Barnet: Barnet C. B. Hellquist 4369 1972-8-15
NEBC: 00741124 Stuckenia filiformis alpina (Blytt) Haynes, D.H. Les & M. Kral USA: Maine Caswell: Caswell C. B. Hellquist 4470 1972-8-1
NEBC: 00741125 Stuckenia filiformis alpina (Blytt) Haynes, D.H. Les & M. Kral USA: Maine Caswell: Caswell C. B. Hellquist 4586 1972-8-1
GH: 01734079 Stuckenia pectinata (Linnaeus) Börner USA: New York Dunham Marsh-Lake George, Queensbury C. B. Hellquist [data not captured] 7075 1972-9-24
