<< < Previous Juncaceae GH: 02366081 Luzula parviflora (Ehrhart) Desvaux Canada: Newfoundland & Labrador [data not captured] D. Potter 7645 1937-7-19
GH: 02366080 Luzula parviflora (Ehrhart) Desvaux Canada: Newfoundland & Labrador [data not captured] D. Potter 7646 1937-7-16
GH: 02366079 Luzula parviflora (Ehrhart) Desvaux Canada: Newfoundland & Labrador [data not captured] D. Potter 7644 1937-7-10
GH: 02366231 Luzula parviflora (Ehrhart) Desvaux Canada: [data not captured] D. Potter 115 1929-7-11
GH: 02366230 Luzula parviflora (Ehrhart) Desvaux Canada: [data not captured] D. Potter 114 1929-7-18
GH: 02366557 Luzula spicata Linnaeus Canada: Newfoundland & Labrador [data not captured] D. Potter 7633 1937-8-16
GH: 02366636 Luzula spicata Linnaeus Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 8012 1937-7-25
GH: 02366637 Luzula spicata Linnaeus Canada: Newfoundland & Labrador [data not captured] D. Potter 7635 1937-7-19
GH: 02366628 Luzula spicata Linnaeus Canada: Newfoundland & Labrador [data not captured] D. Potter 7636 1937-7-18
Juncaginaceae GH: 00684092 Triglochin maritima Linnaeus USA: Massachusetts Medford, along alewife brook [Arlington/Some... D. Potter 1930-6-26
GH: 01617569 Triglochin palustris Linnaeus Canada: [data not captured] D. Potter 292 1929-7-6
GH: 01617568 Triglochin palustris Linnaeus Canada: [data not captured] D. Potter 286 1929-7-24
Lamiaceae GH: 00755891 Galeopsis tetrahit Linnaeus USA: Maine North Nobleboro D. Potter 1925-8-9
GH: 00562649 Glechoma hederacea Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1914-5-2
GH: 00558305 Leonurus cardiaca Linnaeus USA: Massachusetts Concord: Concord D. Potter 1931-10-1
GH: 00696576 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Maine North Nobleboro D. Potter 1925-8-9
GH: 00696577 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Maine North Nobleboro D. Potter 1925-8-9
GH: 01552754 Lycopus uniflorus Michaux Canada: New Brunswick Kent's Island; north end D. Potter 7107 1936-8-24
GH: 00658621 Lycopus uniflorus Michaux USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00658623 Lycopus uniflorus Michaux USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-28
GH: 00658900 Lycopus virginicus Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-28
GH: 00759291 Mentha arvensis Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-28
GH: 01597427 Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenburg USA: Georgia St. Simons Is. D. Potter 1933-8-3
GH: 01597992 Pycnanthemum tenuifolium Schrader USA: Georgia St. Simon's Is. D. Potter 1933-8-3
GH: 01697498 Scutellaria galericulata Linnaeus Canada: New Brunswick Kent's Island; north end D. Potter 7125 1936-8-23
GH: 00686093 Scutellaria galericulata Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-22
GH: 00642698 Scutellaria lateriflora Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-28
NEBC: 00686603 Trichostema dichotomum Linnaeus USA: Massachusetts Rutland: Rutland D. Potter 1935-10-13
Lemnaceae GH: 00875116 Lemna minor Linnaeus USA: Massachusetts Worcester: Worcester D. Potter 1932
Lentibulariaceae GH: 01974165 Pinguicula caerulea Walter Canada: Newfoundland & Labrador Hebron: Hebron. D. Potter 7528 1937-7-16
GH: 01974264 Pinguicula vulgaris Linnaeus Canada: Newfoundland & Labrador Nain: Nain. D. Potter 7531 1937-8-16
GH: 01974263 Pinguicula vulgaris Linnaeus Canada: Newfoundland & Labrador Labrador: Turuavik West. D. Potter 7530 1937-8-22
GH: 01974261 Pinguicula vulgaris Linnaeus Canada: Newfoundland & Labrador Labrador: Nachvak Fjord. North side. D. Potter 7533 1937-7-18
GH: 01974262 Pinguicula vulgaris Linnaeus Canada: Newfoundland & Labrador Hebron: Hebron. D. Potter 7532 1937-7-16
GH: 01974236 Pinguicula vulgaris Linnaeus Canada: Allen Island. D. Potter 723 1929-6-30
GH: 00574980 Utricularia cornuta Michaux USA: Maine North Nobleboro D. Potter 19859 1949-7-17
GH: 01976527 Utricularia gibba Linnaeus Guyana: Bartika. Outskirts of the town--bank of the ... D. Potter 5406 1935-8-29
GH: 00731675 Utricularia intermedia Hayne USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-24
GH: 00731676 Utricularia intermedia Hayne USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-24
GH: 00731677 Utricularia intermedia Hayne USA: Maine Nobleboro: Nobleboro D. Potter 11148 1932-8-24
GH: 01975480 Utricularia macrorhiza LeConte Canada: Quebec Province Beach Bay west of Point Comfort. D. Potter 727 1929-7-21
GH: 01975457 Utricularia macrorhiza LeConte Canada: Quebec Province Plants of James Bay. South Coast. Bay West o... D. Potter 727 1929-7-21
GH: 01975456 Utricularia macrorhiza LeConte Canada: Quebec Province Plants of James Bay, South Coast. Point Comf... D. Potter 726 1929-7-21
GH: 00664543 Utricularia vulgaris macrorhiza (Leconte) R.T. Clausen USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-22
GH: 00664636 Utricularia vulgaris macrorhiza (Leconte) R.T. Clausen USA: Massachusetts Concord: Concord River D. Potter 11124 1925-7-4
GH: 00664638 Utricularia vulgaris macrorhiza (Leconte) R.T. Clausen USA: Massachusetts Lexington: Lexington D. Potter 1925-7-12
Liliaceae GH: 00880394 Aletris farinosa Linnaeus USA: Massachusetts Cape Cod D. Potter 1929
GH: 00560622 Clintonia borealis (Aiton) Rafinesque USA: Massachusetts Pelham: Pelham D. Potter 1914-5-30
GH: 00817279 Erythronium americanum Ker Gawler USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
NEBC: 00505402 Maianthemum canadense Desfontaines USA: New Hampshire Tuftonboro: Tuftonboro D. Potter 7025 1936-5-23
GH: 00505651 Maianthemum canadense Desfontaines USA: Massachusetts Amherst: Amherst D. Potter 1914-6-4
GH: 00505659 Maianthemum canadense Desfontaines USA: Massachusetts Greenwich D. Potter 1291 1933-5-21
GH: 01182869 Maianthemum stellatum (Linnaeus) Link USA: Vermont Manchester (Duplicate): Manchester D. Potter 1930-5-17
GH: 01030920 Streptopus lanceolatus (Aiton) Reveal USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 01030921 Streptopus lanceolatus (Aiton) Reveal USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
NEBC: 00575977 Trillium cernuum Linnaeus USA: Massachusetts Worcester: Worcester D. Potter 1935-5-22
GH: 00869288 Trillium erectum Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1923-5-28
GH: 00869290 Trillium erectum Linnaeus USA: Massachusetts South Hadley: South Hadley D. Potter 1914-5-2
GH: 00810583 Trillium undulatum Willdenow USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 00810653 Trillium undulatum Willdenow USA: Massachusetts Greenwich D. Potter 1653 1933-5-21
GH: 00810654 Trillium undulatum Willdenow USA: Massachusetts Pelham: Pelham D. Potter 1914-5-2
GH: 00869778 Uvularia sessilifolia Linnaeus USA: Massachusetts Greenwich D. Potter 1493 1933-5-21
GH: 00869793 Uvularia sessilifolia Linnaeus USA: Massachusetts South Hadley: South Hadley D. Potter 1914-5-2
Linaceae GH: 02053089 Linum lewisii Pursh Canada: Nunavut James Bay, Charlton Island D. Potter 571 1929-7-6
Lobeliaceae GH: 00820579 Lobelia cardinalis Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-25
GH: 00820580 Lobelia cardinalis Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-25
NEBC: 00820858 Lobelia dortmanna Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1935-7-13
GH: 00820860 Lobelia dortmanna Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1935-7-23
GH: 00820933 Lobelia dortmanna Linnaeus USA: Massachusetts Hamilton: Hamilton D. Potter 1925-7-26
GH: 00820934 Lobelia dortmanna Linnaeus USA: Massachusetts Hamilton: Hamilton D. Potter 1925-7-26
GH: 01966020 Lobelia inflata Linnaeus USA: Maine Nobleboro: Lake Damariscotta, Deep Cove D. Potter 1932-8-22
Lycopodiaceae GH: 02077288 Huperzia selago (Linnaeus) Bernhardi ex Schrank & Martius Canada: Nunavut Acadia Cove, southwest end of Resolution Isl... D. Potter 7403 1937-7-27
GH: 02077289 Huperzia selago (Linnaeus) Bernhardi ex Schrank & Martius Canada: Nunavut Foot of Grinnell Glacier, Jackman Sound; Fro... D. Potter 7407 1937-7-28
GH: 02077290 Huperzia selago (Linnaeus) Bernhardi ex Schrank & Martius Canada: Nunavut Pt. Brewster; Frobisher Bay D. Potter 7402 1937-8-6
GH: 02077291 Huperzia selago (Linnaeus) Bernhardi ex Schrank & Martius Canada: Nunavut Pt. Brewster; Frobisher Bay D. Potter 7401 1937-8-3
GH: 02076690 Spinulum canadense (Nessel) A. Haines Canada: Nunavut Baffin Island: Jackman Sound; Frobisher Bay D. Potter 7392 1937-7-28
GH: 02076689 Spinulum canadense (Nessel) A. Haines Canada: Nunavut Baffin Island: Jackman Sound; Frobisher Bay D. Potter 7392 1937-7-28
Lythraceae GH: 00717962 Lythrum alatum Pursh USA: Massachusetts Amherst: Amherst D. Potter 1928-8-8
GH: 00577379 Lythrum salicaria Linnaeus USA: Massachusetts Newburyport: Newburyport D. Potter 1930-7-11
GH: 00577380 Lythrum salicaria Linnaeus USA: Massachusetts Newburyport: Newburyport D. Potter 1930-7-11
GH: 00577381 Lythrum salicaria Linnaeus USA: Massachusetts Newburyport: Newburyport D. Potter 1930-7-11
GH: 00283773 Trapa natans Linnaeus USA: Massachusetts Concord: Sudbury River D. Potter 1930-7-18
Marantaceae GH: 00139327 Ischnosiphon centricifolius L. Andersson : D. Potter 5306 1935-8-28
GH: 00030732 Ischnosiphon centricifolius L. Andersson Guyana: Bartika: along road in the jungle 12-15 mile... D. Potter 5306 1935-8-28
Melastomataceae GH: 01072205 Rhexia virginica Linnaeus USA: Massachusetts Cape Cod D. Potter 1622 1929
Mimosaceae GH: 01680257 Mimosa pudica Linnaeus USA: Georgia St. Simon Is. D. Potter 7308 1933-8-3
GH: 01680256 Mimosa pudica Linnaeus USA: Georgia St. Simon Is. D. Potter 7308 1933-8-3
Myricaceae GH: 00563394 Morella pensylvanica (Mirbel) Kartesz USA: Massachusetts Hyannis D. Potter 1929-10-13
GH: 00563388 Morella pensylvanica (Mirbel) Kartesz USA: Massachusetts Falmouth: North Falmouth D. Potter 1932-9-25
GH: 00563389 Morella pensylvanica (Mirbel) Kartesz USA: Massachusetts North Falmouth D. Potter 254 1932-9-23
GH: 00565139 Myrica gale Linnaeus USA: Massachusetts Carlisle: near Concord River D. Potter 1002 1930-5-3
GH: 00565140 Myrica gale Linnaeus USA: Massachusetts Carlisle: near Concord River D. Potter 1002 1930-5-3
Najadaceae GH: 01734373 Zannichellia palustris Linnaeus Canada: [data not captured] D. Potter 296 1929-7-21
GH: 01734368 Zannichellia palustris Linnaeus Canada: [data not captured] D. Potter 296 1929-7
Nelumbonaceae GH: 02269171 Nelumbo nucifera Gaertner Guyana: Georgetown D. Potter 128 1935-9-3
Nymphaeaceae GH: 00832823 Nuphar microphylla (Persoon) Fernald USA: Massachusetts Concord: Concord D. Potter 1925-7-19
NEBC: 01014158 Nuphar variegata Engelmann ex Durand USA: Massachusetts Barre: Barre D. Potter 1935-6-7
Oleaceae GH: 00593784 Fraxinus americana Linnaeus USA: Massachusetts Cambridge: Cambridge,Concord Ave. near Tuber... D. Potter 1013 1930-5-3
Onagraceae GH: 01039465 Chamaenerion angustifolium (Linnaeus) Scopoli USA: Massachusetts Concord: Concord D. Potter 1925-7-16
GH: 01675660 Chamerion latifolium (Linnaeus) Holub Canada: Nunavut near Griffen Bay; Frobisher Bay D. Potter 8208 1937-7-29
GH: 01675678 Chamerion latifolium (Linnaeus) Holub Canada: Nunavut near Griffin Bay; Frobisher Bay D. Potter 8208 1937-7-29
GH: 01675690 Chamerion latifolium (Linnaeus) Holub Canada: Nunavut Jackman Sound; Frobisher Bay D. Potter 8207 1937-7-28
GH: 01675691 Chamerion latifolium (Linnaeus) Holub Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8209 1937-8-3
GH: 01672519 Epilobium ciliatum Rafinesque Canada: New Brunswick Kent's Island; south end D. Potter 7138 1936-8-24
GH: 01672520 Epilobium ciliatum Rafinesque Canada: New Brunswick Kent's Island; west side D. Potter 5103 1935-7-25
GH: 01074849 Epilobium ciliatum Rafinesque USA: Rhode Island Lincoln: Limestone [Lime Rock] D. Potter 1932-10-14
GH: 01671896 Epilobium hornemannii Reichenbach Canada: Nunavut James Bay; Charlton Island; 2 miles N.W. of ... D. Potter 929 1929-7-6
GH: 02137417 Epilobium hornemannii Reichenbach Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 8357 1937-8-16
GH: 01645711 Oenothera drummondii Hooker USA: South Carolina Folly Beach D. Potter 19864 1932-8-2
Ophioglossaceae GH: 02282754 Botrychium lunaria (Linnaeus) Swartz Canada: Quebec Province [data not captured] D. Potter 175 1929-6-7
GH: 02282830 Botrychium lunaria (Linnaeus) Swartz Canada: Newfoundland & Labrador [data not captured] D. Potter 7470 1937-8-16
Orchidaceae GH: 02031809 Calopogon tuberosus (Linnaeus) Britton, Stearn & Poggenburg USA: New Jersey Bullville D. Potter 1721 1931-7-19
GH: 02031810 Calopogon tuberosus (Linnaeus) Britton, Stearn & Poggenburg USA: New Jersey Bullville D. Potter 1721a 1931-7-19
GH: 02029405 Calypso bulbosa (Linnaeus) Oakes Canada: James Bay, Abitibi River, along 9 mile rapid... D. Potter 314 1929-6-29
GH: 02029406 Calypso bulbosa (Linnaeus) Oakes Canada: James Bay. Charlton Island, S.E. from H. B. ... D. Potter 615 1920-7-7
GH: 02031187 Cleistes divaricata (Linnaeus) Ames USA: New Jersey Ballville D. Potter 1700a 1931-7-18
GH: 02065870 Coeloglossum viride bracteata (Muhlenberg) Grey Canada: James Bay; South Coast; Point Comfort D. Potter 323 1929-7-21
GH: 02065871 Coeloglossum viride bracteata (Muhlenberg) Grey Canada: James Bay; Abitibi River; opposite Allen Isl... D. Potter 325 1929-6-30
GH: 02065872 Coeloglossum viride bracteata (Muhlenberg) Grey Canada: James Bay; Moose River; Saw Pit Island D. Potter 324 1929-7-2
AMES: 02065939 Coeloglossum viride bracteata (Muhlenberg) Grey Canada: James Bay, Moose River, Saw Pit Island D. Potter 324 1929-7-2
AMES: 02065940 Coeloglossum viride bracteata (Muhlenberg) Grey Canada: James Bay, South Coast, Point Comfort D. Potter 323 1929-7-21
AMES: 02065974 Coeloglossum viride interjecta (Fernald) Miyabe & Kudô Canada: James Bay; Abitibi River, opposite Allen Isl... D. Potter 325 1929-6-30
GH: 01938729 Corallorhiza trifida Châtelain Canada: Newfoundland & Labrador Labrador: Anaktohk Bay D. Potter 8420 1937-8-19
GH: 01938829 Corallorhiza trifida Châtelain Canada: James Bay. Moose River. Saw Pit Island D. Potter 319 1929-7-1
GH: 01938828 Corallorhiza trifida Châtelain Canada: James Bay. Charlton Island. 2 miles N.W. of ... D. Potter 318 1929-7-6
GH: 01938880 Corallorhiza trifida Châtelain Canada: James Bay, Charlton Island, 2 miles N.W. of ... D. Potter 318 1929-7-6
GH: 01938879 Corallorhiza trifida Châtelain Canada: James Bay, Moose River, Saw Pit Island D. Potter 319 1929-7-1
GH: 01937900 Cypripedium parviflorum Salisbury Canada: James Bay, Abitibi River, opposite Allen Isl... D. Potter 316 1929-6-30
GH: 01937901 Cypripedium parviflorum Salisbury Canada: James Bay, Moose River, San Pit Island D. Potter 317 1929-7-1
GH: 01937968 Cypripedium parviflorum Salisbury Canada: James Bay, Moose River, Saw Pit Island D. Potter 317 1929-7-1
GH: 01937969 Cypripedium parviflorum Salisbury Canada: James Bay, Abitibi River. Allen Island D. Potter 316 1929-6-30
GH: 00712577 Cypripedium parviflorum pubescens (Willdenow) O. W. Knight USA: Massachusetts Sunderland: Sunderland D. Potter 1931-5-19
GH: 00728494 Galearis spectabilis (Linnaeus) Rafinesque USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 02028297 Goodyera repens ophioides Fernald Canada: Kent's Island D. Potter 7084 1936-8-23
AMES: 02051151 Listera cordata (Linnaeus) R. Brown Canada: Soulder beach S.E. of H. B. Cr's port D. Potter 313 1929-7-7
GH: 02051196 Listera cordata (Linnaeus) R. Brown Canada: Kent's Island, South End-West of Dock D. Potter 5033 1935-7-26
GH: 02051198 Listera cordata (Linnaeus) R. Brown Canada: James Bay, Charlton Island. Soulder beach S.... D. Potter 313 1929-7-7
GH: 02066136 Platanthera aquilonis Sheviak Canada: James Bay, Charlton Island, 3 miles N.W. of ... D. Potter 321 1929-7-6
AMES: 02063250 Platanthera dilatata (Pursh) Lindley ex Beck Canada: James Bay, East Coast, Rupert House D. Potter 326 1929-7-18
GH: 02045657 Platanthera hyperborea (Linnaeus) Lindley Canada: James Bay. South Coast. along Bay West of Po... D. Potter 320 1929-7-21
AMES: 02045695 Platanthera hyperborea (Linnaeus) Lindley Canada: James Bay, Moose River, Saw Pit Island D. Potter 322 1929-7-2
AMES: 02045696 Platanthera hyperborea (Linnaeus) Lindley Canada: James Bay, Charlton Island, 3 miles N.W. of ... D. Potter 321 1929-7-6
AMES: 02045697 Platanthera hyperborea (Linnaeus) Lindley Canada: James Bay, South Coast, along Bay West of Po... D. Potter 320 1929-7-21
GH: 02046238 Platanthera obtusata (Banks ex Pursh) Lindley Canada: Newfoundland & Labrador Labrador: Brig Island, Emilie Harbor D. Potter 7748 1937-7-7
GH: 02046239 Platanthera obtusata (Banks ex Pursh) Lindley Canada: Newfoundland & Labrador Labrador: Turnavik West D. Potter 7749 1937-8-22
GH: 02046244 Platanthera obtusata (Banks ex Pursh) Lindley Canada: Kent's Island. South End- West of Dock D. Potter 5036 1935-7-26
GH: 02046245 Platanthera obtusata (Banks ex Pursh) Lindley Canada: north end D. Potter 7142 1936-8-23
GH: 02046249 Platanthera obtusata (Banks ex Pursh) Lindley Canada: James Bay, Charlton Island, Soulder beach S.... D. Potter 328 1929-7-7
GH: 02046250 Platanthera obtusata (Banks ex Pursh) Lindley Canada: James Bay, Moose River, Saw Pit Island D. Potter 327 1929-7-1
GH: 02046357 Platanthera obtusata (Banks ex Pursh) Lindley Canada: James Bay, East Coast 10 miles south of East... D. Potter 329 1929-7-10
AMES: 02046435 Platanthera obtusata (Banks ex Pursh) Lindley Canada: James Bay. East Coast. 10 miles south of Eas... D. Potter 329 1929-7-10
AMES: 02046436 Platanthera obtusata (Banks ex Pursh) Lindley Canada: James Bay. Charlton Island. S. E. from H. B.... D. Potter 328 1929-7-7
AMES: 02046437 Platanthera obtusata (Banks ex Pursh) Lindley Canada: James Bay. Moose River. Saw Pit Island D. Potter 327 1929-7-1
GH: 02031022 Pogonia ophioglossoides (Linnaeus) Ker Gawler USA: New Jersey Ballville D. Potter 1931-7-18
AMES: 01952163 Selenipedium chica H. G. Reichenbach Guyana: Bartika D. Potter 5312 1935-8-28
GH: 01952165 Selenipedium chica H. G. Reichenbach Guyana: Bartika D. Potter 5312 1935-8-28
GH: 01952166 Selenipedium chica H. G. Reichenbach Guyana: Bartika D. Potter 5312 1935-8-28
GH: 01063048 Spiranthes lacera (Rafinesque) Rafinesque USA: Maine North Nobleboro D. Potter 1925-8-9
Orobanchaceae GH: 00642959 Agalinis paupercula (A. Gray) Britton USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 02033421 Bartsia alpina Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8044 1937-8-3
GH: 02033420 Bartsia alpina Linnaeus Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8043 1937-7-28
GH: 02171603 Bartsia alpina Linnaeus Canada: Newfoundland & Labrador [data not captured] D. Potter 7851 1937-8-16
GH: 02171602 Bartsia alpina Linnaeus Canada: Newfoundland & Labrador [data not captured] D. Potter 7850 1937-7-16
GH: 01880627 Euphrasia nemorosa (Persoon) Wallroth Canada: New Brunswick Kent's Island; north end D. Potter 7279 1936-8-24
GH: 02171695 Euphrasia wettsteinii G. L. Gusarova Canada: Newfoundland & Labrador [data not captured] D. Potter 7817 1937-8-12
GH: 02171697 Euphrasia wettsteinii G. L. Gusarova Canada: Newfoundland & Labrador [data not captured] D. Potter 7814 1937-7-19
GH: 02171696 Euphrasia wettsteinii G. L. Gusarova Canada: Newfoundland & Labrador [data not captured] D. Potter 7815 1937-7-18
GH: 02171694 Euphrasia wettsteinii G. L. Gusarova Canada: Newfoundland & Labrador [data not captured] D. Potter 7816 1937-7-16
GH: 02171693 Euphrasia wettsteinii G. L. Gusarova Canada: Newfoundland & Labrador [data not captured] D. Potter 7819 1937-8-22
GH: 02171692 Euphrasia wettsteinii G. L. Gusarova Canada: Newfoundland & Labrador [data not captured] D. Potter 7818 1937-8-16
GH: 01178552 Orobanche uniflora Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1914-6-1
GH: 00502066 Pedicularis canadensis Linnaeus USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00502067 Pedicularis canadensis Linnaeus USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 02080708 Pedicularis flammea Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8035 1937-7-27
GH: 02080709 Pedicularis flammea Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8038 1937-8-3
GH: 02080710 Pedicularis flammea Linnaeus Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8036 1937-7-28
GH: 02080627 Pedicularis flammea Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8035 1937-7-27
GH: 02080625 Pedicularis flammea Linnaeus Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8036 1937-7-28
GH: 02080626 Pedicularis flammea Linnaeus Canada: Nunavut near Griffen Bay; Frobisher Bay D. Potter 8037 1937-7-29
GH: 02080624 Pedicularis flammea Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8039 1937-8-6
GH: 02080623 Pedicularis flammea Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8038 1937-8-3
GH: 02080622 Pedicularis flammea Linnaeus Canada: Newfoundland & Labrador Nain: Nain; Frobisher Bay D. Potter 7845 1937-8-16
GH: 02079057 Pedicularis hirsuta Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8033 1937-8-6
GH: 02079055 Pedicularis hirsuta Linnaeus Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8032 1937-7-28
GH: 02079064 Pedicularis hirsuta Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8033 1937-8-6
GH: 02079063 Pedicularis hirsuta Linnaeus Canada: Nunavut foot of Grinnell Glacier, Jackman Sound; Fro... D. Potter 8032 1937-7-28
GH: 02079627 Pedicularis lapponica Linnaeus Canada: Nunavut near Griffin Bay; Frobisher Bay D. Potter 8031 1937-7-29
GH: 02078478 Pedicularis sp. Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8040 1937-8-3
GH: 02078477 Pedicularis sp. Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8041 1937-8-3
Oxalidaceae GH: 01585632 Oxalis montana Rafinesque Canada: New Brunswick Kent's Island; South end; West of Dock D. Potter 5038 1935-7-26
NEBC: 01067482 Oxalis stricta Linnaeus USA: Massachusetts Templeton: Templeton D. Potter 15175 1950-7-14
GH: 01067494 Oxalis stricta Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1914-6-1
Papaveraceae GH: 00697964 Adlumia fungosa (Aiton) Greene ex Britton, Stearn & Poggenburg USA: Massachusetts Concord: Concord D. Potter 19611 1938-8-12
NEBC: 00669833 Corydalis aurea Willdenow USA: Massachusetts Woburn: near town line Woburn and Lexington D. Potter 1930-5-3
GH: 00282849 Corydalis aurea aurea USA: Massachusetts Woburn: Near town line Woburn and Lexington D. Potter 1930-5-3
GH: 00660051 Dicentra cucullaria (Linnaeus) Bernhardi USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 00660052 Dicentra cucullaria (Linnaeus) Bernhardi USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 00660068 Dicentra cucullaria (Linnaeus) Bernhardi USA: Massachusetts South Hadley: South Hadley D. Potter 1914-4-30
GH: 01857553 Papaver radicatum Rottbøll Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8129 1937-7-28
GH: 01857554 Papaver radicatum Rottbøll Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8130 1937-7-27
GH: 01857555 Papaver radicatum Rottbøll Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8128 1937-8-3
GH: 00614031 Sanguinaria canadensis Linnaeus USA: Massachusetts Holyoke: Holyoke D. Potter 1914-5-2
Parmeliaceae NEBC: 00446724 Cetrelia olivetorum (Nylander) W. L. Culberson & C. F. Culberson USA: Vermont Manchester (Vermont): [data not captured] D. Potter 1935-5-18
FH: 00439701 Flavocetraria nivalis (Linnaeus) Kärnefelt & A. Thell Canada: Ontario [data not captured] D. Potter 1929
FH: 00439920 Flavoparmelia caperata (Linnaeus) Hale USA: Maine [data not captured] D. Potter 1959-7-21
NEBC: 00436705 Flavoparmelia caperata (Linnaeus) Hale USA: Vermont Manchester (Vermont): [data not captured] D. Potter 2208 1935-5-18
Parnassiaceae GH: 01855616 Parnassia grandifolia de Candolle USA: Rhode Island Lincoln: Limestone [Lime Rock] D. Potter 1932-10-14
GH: 01855617 Parnassia grandifolia de Candolle USA: Rhode Island Lincoln: Limestone [Lime Rock] D. Potter 1932-10-14
Peltigeraceae NEBC: 00446398 Solorina saccata (Linnaeus) Acharius USA: Vermont Dorset: [data not captured] D. Potter 1935-5-18
FH: 00478812 Solorina sp. Canada: Ontario [data not captured] D. Potter 1929
Phytolaccaceae GH: 00755305 Phytolacca americana Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1931
GH: 00755306 Phytolacca americana Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1931
GH: 00755316 Phytolacca americana Linnaeus USA: Rhode Island Lincoln: Lincoln D. Potter 1932-10-14
Pinaceae GH: 00395439 Abies balsamea (Linnaeus) Miller Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7768 1937-7-6
GH: 00395471 Abies balsamea (Linnaeus) Miller Canada: Ontario [data not captured] D. Potter 217 1929-7-1
GH: 00395500 Abies balsamea (Linnaeus) Miller Canada: James Bay D. Potter 217 1929-7-1
GH: 00395501 Abies balsamea (Linnaeus) Miller Canada: James Bay D. Potter 216 1929-7-7
GH: 00395519 Abies balsamea (Linnaeus) Miller Canada: [data not captured] D. Potter 7112 1936-8-25
GH: 00715732 Pinus rigida Miller USA: Massachusetts Wareham: Wareham D. Potter 1558 1931-5-20
NEBC: 00629533 Pinus strobus Linnaeus USA: Massachusetts Princeton: Princeton D. Potter 1934-5-6
Piperaceae GH: 01982471 Peperomia pellucida Kunth Guyana: Bartika, allong road 12-15 miles from the to... D. Potter 5317 1935-8-28
GH: 01982476 Peperomia pellucida Kunth Guyana: Bartika; Along road 12-15 miles from the tow... D. Potter 5317 1935-8-28
GH: 01933494 Piper hostmannianum (Miquel) C. de Candolle Guyana: Bartika. Along road in teh jungle 12-15 mile... D. Potter 5316 1935-8-28
GH: 01933476 Piper hostmannianum (Miquel) C. de Candolle Guyana: Bartika. Along road in the jungle 12-15 mile... D. Potter 5316 1935-8-28
Plantaginaceae GH: 00745064 Callitriche heterophylla Pursh USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00745065 Callitriche heterophylla Pursh USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00745066 Callitriche heterophylla Pursh USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00745067 Callitriche heterophylla Pursh USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00745068 Callitriche heterophylla Pursh USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00733949 Callitriche heterophylla Pursh USA: Maine Nobleboro: Nobleboro D. Potter 426 1932-8-23
GH: 02212453 Callitriche palustris Linnaeus Canada: [data not captured] D. Potter 7275 1936-8-26
GH: 00733949 Callitriche palustris Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 426 1932-8-23
GH: 00745066 Callitriche palustris Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00745068 Callitriche palustris Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00745067 Callitriche palustris Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00745065 Callitriche palustris Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00745064 Callitriche palustris Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-23
GH: 00502286 Gratiola aurea Muhlenberg USA: Massachusetts Lexington: Lexington D. Potter 1925-8-5
GH: 00502287 Gratiola aurea Muhlenberg USA: Massachusetts Lexington: Lexington D. Potter 1925-9-4
GH: 00502288 Gratiola aurea Muhlenberg USA: Massachusetts Lexington: Lexington D. Potter 1925-8-5
GH: 00633612 Linaria vulgaris Miller USA: Massachusetts Concord: Concord, Cambridge Turnpike D. Potter 1930-7-20
GH: 00691364 Linaria vulgaris Miller USA: Rhode Island Newport: Newport D. Potter 1932-10-15
GH: 00691365 Linaria vulgaris Miller USA: Rhode Island Newport: Newport D. Potter 1932-10-15
GH: 00650285 Nuttallanthus canadensis (Linnaeus) D. A. Sutton USA: Rhode Island Newport: Newport D. Potter 1932-10-15
GH: 00650286 Nuttallanthus canadensis (Linnaeus) D. A. Sutton USA: Rhode Island Newport: Newport D. Potter 1932-10-15
GH: 01802663 Plantago major Linnaeus Canada: [data not captured] D. Potter 7316 1936-8-26
GH: 01802654 Plantago major Linnaeus Canada: [data not captured] D. Potter 736 1929-7-11
GH: 01539357 Plantago major Linnaeus Canada: [data not captured] D. Potter 735 1929-7-4
GH: 01802730 Plantago major Linnaeus Canada: [data not captured] D. Potter 7108 1936-8-24
GH: 01802715 Plantago major Linnaeus Canada: [data not captured] D. Potter 735 1929-7-4
GH: 01802714 Plantago major Linnaeus Canada: [data not captured] D. Potter 736 1929-7-11
GH: 01802713 Plantago major Linnaeus Canada: [data not captured] D. Potter 737 1929-7-7
GH: 01802775 Plantago major Linnaeus Canada: [data not captured] D. Potter 733 1929-6-30
GH: 01802774 Plantago major Linnaeus Canada: [data not captured] D. Potter 734 1929-7-3
GH: 01803096 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 5013 1935-7-25
GH: 01803095 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 5095 1935-7-26
GH: 01803094 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 7270 1936-8-25
GH: 01803083 Plantago maritima juncoides (Lamarck) Hultén Canada: Nunavut [data not captured] D. Potter 8075 1937-8-7
GH: 01803081 Plantago maritima juncoides (Lamarck) Hultén Canada: Newfoundland & Labrador [data not captured] D. Potter 7696 1937-7-5
GH: 01803080 Plantago maritima juncoides (Lamarck) Hultén Canada: Newfoundland & Labrador [data not captured] D. Potter 7695 1937-7-6
GH: 01803082 Plantago maritima juncoides (Lamarck) Hultén Canada: Newfoundland & Labrador [data not captured] D. Potter 7694 1937-7-10
GH: 01803079 Plantago maritima juncoides (Lamarck) Hultén Canada: Newfoundland & Labrador [data not captured] D. Potter 7693 1937-7-14
GH: 01803078 Plantago maritima juncoides (Lamarck) Hultén Canada: Newfoundland & Labrador [data not captured] D. Potter 7692 1937-8-16
GH: 01803075 Plantago maritima juncoides (Lamarck) Hultén Canada: Newfoundland & Labrador [data not captured] D. Potter 7691 1937-8-19
GH: 01803074 Plantago maritima juncoides (Lamarck) Hultén Canada: Newfoundland & Labrador [data not captured] D. Potter 7690 1937-8-24
GH: 01803073 Plantago maritima juncoides (Lamarck) Hultén Canada: Nunavut [data not captured] D. Potter 8075 1937-8-7
GH: 01803222 Plantago maritima juncoides (Lamarck) Hultén Canada: Nunavut [data not captured] D. Potter 731 1929-7-6
GH: 01803221 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 729 1929-7-12
GH: 01803205 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 729 1929-7-12
GH: 01803297 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 730 1929-7-10
GH: 01803296 Plantago maritima juncoides (Lamarck) Hultén Canada: Nunavut [data not captured] D. Potter 732 1929-7-7
GH: 01803298 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 728 1929-7-21
GH: 01803292 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 728 1929-7-21
GH: 01803291 Plantago maritima juncoides (Lamarck) Hultén Canada: Nunavut [data not captured] D. Potter 732 1929-7-7
GH: 01803280 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 7271 1936-8-25
GH: 01803278 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 5090 1935-7-26
GH: 01803277 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 7267 1936-8-26
GH: 01803276 Plantago maritima juncoides (Lamarck) Hultén Canada: [data not captured] D. Potter 7252 1936-8-26
GH: 01176214 Plantago rugelii Decaisne Canada: New Brunswick Kent's Island; south end D. Potter 5012 1935-7-25
GH: 01804864 Veronica americana Schweinitz ex Bentham Canada: [data not captured] D. Potter 932 1929-7-18
GH: 01804865 Veronica americana Schweinitz ex Bentham Canada: [data not captured] D. Potter 719 1929-7-7
GH: 01804862 Veronica americana Schweinitz ex Bentham Canada: [data not captured] D. Potter 719 1929-7-7
GH: 01804861 Veronica americana Schweinitz ex Bentham Canada: [data not captured] D. Potter 932 1929-7-18
GH: 01811852 Veronica serpyllifolia humifusa (Dickson) Syme Canada: Quebec Province [data not captured] D. Potter 716 1929-7-11
GH: 01811853 Veronica serpyllifolia humifusa (Dickson) Syme Canada: Quebec Province [data not captured] D. Potter 717 1929-7-18
GH: 01811826 Veronica serpyllifolia humifusa (Dickson) Syme Canada: [data not captured] D. Potter 716 1929-7-11
NEBC: 00579266 Veronica serpyllifolia Linnaeus USA: Massachusetts Westborough: Westborough D. Potter 1934-5-27
GH: 00579293 Veronica serpyllifolia Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1914-5-20
GH: 01812066 Veronica wormskjoldii Roemer & Schultes Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7848 1937-7-19
GH: 01812067 Veronica wormskjoldii Roemer & Schultes Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7849 1937-8-12
GH: 01812063 Veronica wormskjoldii Roemer & Schultes Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7847 1937-7-18
GH: 01812062 Veronica wormskjoldii Roemer & Schultes Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7846 1937-7-14
Plumbaginaceae GH: 00670010 Limonium carolinianum (Walter) Britton USA: Massachusetts Wareham: Wareham D. Potter 1929
GH: 00670029 Limonium carolinianum (Walter) Britton USA: Massachusetts North Falmouth D. Potter 1932-9-23
Poaceae GH: 01176219 Agrostis canina Linnaeus Canada: New Brunswick Kent's Island; margin of woods - north end D. Potter 7347 1936-8-25
GH: 00835129 Agrostis stolonifera Linnaeus USA: Massachusetts Medford: Medford D. Potter 1930-6-26
NEBC: 00685766 Alopecurus carolinianus Walter USA: Massachusetts Clinton: Clinton D. Potter 23768 1945-5-29
GH: 00689803 Ammophila breviligulata Fernald USA: Massachusetts North Falmouth D. Potter 1932-9-23
GH: 00689804 Ammophila breviligulata Fernald USA: Massachusetts North Falmouth D. Potter 1932-9-23
GH: 00254398 Anthoxanthum nitens (Weber) Y. Schouten & J. F. Veldkamp Canada: James Bay. East Coast. 9 miles south of of E... D. Potter 139 1929-7-19
GH: 00254397 Anthoxanthum nitens (Weber) Y. Schouten & J. F. Veldkamp Canada: James Bay. Moose River D. Potter 140 1929-7-3
GH: 01175878 Anthoxanthum nitens (Weber) Y. Schouten & J. F. Veldkamp USA: Massachusetts Wareham: Wareham D. Potter 1931-5-20
NEBC: 00609058 Anthoxanthum odoratum Linnaeus USA: Massachusetts Lancaster: Lancaster D. Potter 1945-6-12
GH: 01176218 Anthoxanthum puelii Lecoq & Lamotte Canada: New Brunswick Kent's Island; swamp - west side D. Potter 7223 1936-8-25
GH: 00609826 Bromus secalinus Linnaeus USA: Massachusetts Revere: Revere D. Potter 1930-7-11
GH: 00764416 Dichanthelium boreale (Nash) Freckmann USA: Maine North Nobleboro D. Potter 7180 1931-6-22
GH: 00764766 Dichanthelium clandestinum (Linnaeus) Gould USA: Massachusetts Saugus: Saugus D. Potter 1564 1931-7-5
GH: 00764767 Dichanthelium clandestinum (Linnaeus) Gould USA: Massachusetts Saugus: Saugus D. Potter 1562 1931-7-5
GH: 00764768 Dichanthelium clandestinum (Linnaeus) Gould USA: Massachusetts Saugus: Saugus D. Potter 1563 1931-7-5
NEBC: 00764837 Dichanthelium clandestinum (Linnaeus) Gould USA: Massachusetts Holden: Holden D. Potter 1944-7-7
GH: 00764982 Dichanthelium depauperatum (Muhlenberg) Gould USA: Maine North Nobleboro D. Potter 7179 1931-6-14
GH: 00853004 Dichanthelium linearifolium (Scribner) Gould USA: Maine North Nobleboro D. Potter 7174 1931-6-20
GH: 00609441 Digitaria ischaemum (Schreber) Muhlenberg USA: Maine Mount Desert Island D. Potter 1930-9-6
GH: 00594560 Elymus repens (Linnaeus) Gould USA: Massachusetts Medford: Medford D. Potter 1930-6-26
GH: 00878516 Glyceria borealis (Nash) Batchelder USA: Maine Lake Damariscotta D. Potter 1087a 1930-6-20
GH: 01148093 Glyceria septentrionalis Hitchcock USA: Maine Lake Damariscotta D. Potter 1087 1930-6-20
GH: 01149528 Glyceria striata (Lamarck) Hitchcock USA: Maine Nobleboro: Nobleboro D. Potter 1105b 1930-6-16
GH: 01149529 Glyceria striata (Lamarck) Hitchcock USA: Maine Nobleboro: Nobleboro D. Potter 1105a 1931-6-16
GH: 01149530 Glyceria striata (Lamarck) Hitchcock USA: Maine Nobleboro: Nobleboro D. Potter 1105 1930-6-16
NEBC: 01148261 Glyceria striata (Lamarck) Hitchcock USA: Massachusetts Brookfield: Brookfield D. Potter 1948-7-24
GH: 00254397 Hierochloë odorata (Linnaeus) P. Beauvois Canada: James Bay. Moose River D. Potter 140 1929-7-3
GH: 00254398 Hierochloë odorata (Linnaeus) P. Beauvois Canada: James Bay. East Coast. 9 miles south of of E... D. Potter 139 1929-7-19
GH: 00855765 Muhlenbergia mexicana (Linnaeus) Trinius USA: Massachusetts Concord: Concord D. Potter 1936-9-8
GH: 01151510 Panicum capillare Linnaeus USA: Massachusetts Concord: Concord D. Potter 1931-9-17
GH: 00583299 Phalaris canariensis Linnaeus USA: Massachusetts Milford: Milford D. Potter 1930-6-26
GH: 00583313 Phalaris canariensis Linnaeus USA: Massachusetts Revere: Revere D. Potter 1930-7-11
GH: 00583351 Phleum pratense Linnaeus USA: Maine Machias Seal Island D. Potter 1936-8-26
GH: 00583449 Phleum pratense Linnaeus USA: Massachusetts Beverly: Beverly D. Potter 1941-6-21
GH: 00595408 Poa pratensis Linnaeus USA: Maine North Nobleboro D. Potter 7177 1931-6-13
GH: 00595410 Poa pratensis Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1079 1930-6-20
GH: 00595411 Poa pratensis Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1079a 1930-6-20
GH: 00598031 Secale cereale Linnaeus USA: Massachusetts Medford: Medford D. Potter 1930-6-26
GH: 00722566 Spartina cynosuroides (Linnaeus) Roth USA: Massachusetts Plymouth: Plymouth D. Potter 7201 1929
Polemoniaceae GH: 01920258 Armeria maritima labradorica (Wallroth) Hultén Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8076 1937-8-4
Polygalaceae GH: 01969265 Polygala lutea Linnaeus USA: South Carolina Charleston: [no additional data] D. Potter 19870 1933-8-2
GH: 01969358 Polygala mariana Miller USA: Georgia St. Simons Island D. Potter 1933-8-3
GH: 00572381 Polygala paucifolia Willdenow USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
NEBC: 00572466 Polygala paucifolia Willdenow USA: Massachusetts Upton: Upton D. Potter 1935-5-25
GH: 00558240 Polygala paucifolia Willdenow USA: Massachusetts Greenwich D. Potter 1664 1933-5-21
GH: 00558242 Polygala paucifolia Willdenow USA: Massachusetts South Hadley: South Hadley D. Potter 1914-5-2
Polygonaceae GH: 02346720 Bistorta vivipara (Linnaeus) Gray Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7543 1937-7-25
GH: 02346719 Bistorta vivipara (Linnaeus) Gray Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7546 1937-7-16
GH: 02346718 Bistorta vivipara (Linnaeus) Gray Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7538 1937-8-16
GH: 02346666 Bistorta vivipara (Linnaeus) Gray Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7537 1937-8-22
GH: 02346717 Bistorta vivipara (Linnaeus) Gray Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7544 1937-7-21
GH: 02346715 Bistorta vivipara (Linnaeus) Gray Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7548 1937-7-12
GH: 02346716 Bistorta vivipara (Linnaeus) Gray Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7545 1937-7-19
GH: 02346714 Bistorta vivipara (Linnaeus) Gray Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7547 1937-7-14
GH: 02346700 Bistorta vivipara (Linnaeus) Gray Canada: Nunavut Baffin Island: [data not captured] D. Potter 7542 1937-7-27
GH: 02346702 Bistorta vivipara (Linnaeus) Gray Canada: Nunavut Baffin Island: [data not captured] D. Potter 7539 1937-8-3
GH: 02346701 Bistorta vivipara (Linnaeus) Gray Canada: Nunavut Baffin Island: [data not captured] D. Potter 7540 1937-7-29
GH: 02346699 Bistorta vivipara (Linnaeus) Gray Canada: Nunavut Baffin Island: [data not captured] D. Potter 7541 1937-7-28
GH: 02346834 Bistorta vivipara (Linnaeus) Gray Canada: Quebec Province Nord-du-Québec (Quebec): [data not captured... D. Potter 341 1929-7-11
GH: 02346833 Bistorta vivipara (Linnaeus) Gray Canada: [data not captured] D. Potter 342 1929-7-1
GH: 02346803 Bistorta vivipara (Linnaeus) Gray Canada: Quebec Province Nord-du-Québec (Quebec): [data not captured... D. Potter 341 1929-7-11
GH: 02365269 Fallopia convolvulus (Linnaeus) Á. Löve Canada: Quebec Province [data not captured] D. Potter 685 1929-7-18
GH: 02365268 Fallopia convolvulus (Linnaeus) Á. Löve Canada: Quebec Province [data not captured] D. Potter 340 1929-7-7
GH: 02365699 Koenigia islandica Linnaeus Canada: Nunavut Baffin Island: [data not captured] D. Potter 8211 1937-8-4
GH: 02365904 Oxyria digyna (Linnaeus) Hill Canada: Nunavut [data not captured] D. Potter 7549 1937-8-3
GH: 02365903 Oxyria digyna (Linnaeus) Hill Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7555 1937-7-14
GH: 02365902 Oxyria digyna (Linnaeus) Hill Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7554 1937-7-16
GH: 02365901 Oxyria digyna (Linnaeus) Hill Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7553 1937-7-23
GH: 02365900 Oxyria digyna (Linnaeus) Hill Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7550 1937-7-25
GH: 02365899 Oxyria digyna (Linnaeus) Hill Canada: Nunavut [data not captured] D. Potter 7552 1937-7-27
GH: 02365898 Oxyria digyna (Linnaeus) Hill Canada: Nunavut [data not captured] D. Potter 7551 1937-7-28
GH: 02365837 Oxyria digyna (Linnaeus) Hill Canada: Nunavut [data not captured] D. Potter 7551 1937-7-28
GH: 02364336 Persicaria amphibia (Linnaeus) Delarbre Canada: Ontario [data not captured] D. Potter 7135 1936-8-25
GH: 02363047 Persicaria hydropiper (Linnaeus) Spach Canada: New Brunswick [data not captured] D. Potter 7136 1936-8-25
GH: 00736021 Persicaria lapathifolia (Linnaeus) Delarbre USA: Massachusetts Concord: Concord D. Potter 1925-7-15
GH: 02362153 Persicaria maculosa Gray Canada: New Brunswick [data not captured] D. Potter 7118 1936-8-25
GH: 00729267 Persicaria sagittata (Linnaeus) H. Gross USA: Massachusetts Concord: Concord D. Potter 1925-7-25
GH: 00762112 Polygonella articulata (Linnaeus) Meisner USA: Massachusetts North Falmouth D. Potter 283 1932-9-23
GH: 00762113 Polygonella articulata (Linnaeus) Meisner USA: Massachusetts North Falmouth D. Potter 1932-9-23
GH: 00762116 Polygonella articulata (Linnaeus) Meisner USA: Massachusetts Barnstable Town D. Potter 1932-10-1
GH: 00762117 Polygonella articulata (Linnaeus) Meisner USA: Massachusetts Barnstable Town D. Potter 1932-10-1
GH: 02361654 Polygonum aviculare Linnaeus Canada: Quebec Province [data not captured] D. Potter 343 1929-7-21
GH: 02361655 Polygonum aviculare Linnaeus Canada: Quebec Province [data not captured] D. Potter 344 1929-7-7
GH: 02361656 Polygonum aviculare Linnaeus Canada: Quebec Province [data not captured] D. Potter 345 1929-7-8
GH: 02361653 Polygonum aviculare Linnaeus Canada: Quebec Province [data not captured] D. Potter 346 1929-7-18
GH: 02361707 Polygonum aviculare Linnaeus Canada: New Brunswick [data not captured] D. Potter 1935-7-25
GH: 01047824 Polygonum aviculare depressum (Meisner) Arcangeli USA: Rhode Island Lincoln: Lincoln D. Potter 278 1932-10-14
GH: 01047825 Polygonum aviculare depressum (Meisner) Arcangeli USA: Rhode Island Lincoln: Lincoln D. Potter 1932-10-14
GH: 02360105 Polygonum boreale (Lange) Small Canada: New Brunswick [data not captured] D. Potter 7085 1936-8-23
GH: 02360104 Polygonum boreale (Lange) Small Canada: New Brunswick [data not captured] D. Potter 7140 1936-8-24
GH: 00762281 Polygonum boreale (Lange) Small USA: Maine Machias: Machias D. Potter 7317 1936-8-26
GH: 00751427 Polygonum convolvulus Linnaeus USA: Maine North Nobleboro D. Potter 1925-8-9
GH: 00751428 Polygonum convolvulus Linnaeus USA: Maine North Nobleboro D. Potter 1925-8-9
GH: 00759070 Polygonum convolvulus Linnaeus USA: Massachusetts Boston: Little Brewster [Island] Boston Haro... D. Potter 7375 1936-9-27
GH: 00562837 Polygonum cuspidatum Siebold & Zuccarini USA: Massachusetts Concord: Concord D. Potter 1931-9-15
GH: 00562838 Polygonum cuspidatum Siebold & Zuccarini USA: Massachusetts Concord: Concord D. Potter 1931-9-15
GH: 02360700 Polygonum erectum Linnaeus Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7556 1937-8-16
GH: 02360863 Polygonum hudsonianum (S. J. Wolf & McNeill) H. R. Hinds Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7557 1937-8-16
GH: 00736021 Polygonum lapathifolium Linnaeus USA: Massachusetts Concord: Concord D. Potter 1925-7-15
NEBC: 00736069 Polygonum lapathifolium Linnaeus USA: Massachusetts Shrewsbury: Shrewsbury D. Potter 1934-9-22
NEBC: 00552463 Polygonum pensylvanicum Linnaeus USA: Massachusetts Shrewsbury: Shrewsbury D. Potter 1934-9-22
GH: 00729193 Polygonum sagittatum Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1932-8-25
GH: 00729267 Polygonum sagittatum Linnaeus USA: Massachusetts Concord: Concord D. Potter 1925-7-25
GH: 00664780 Polygonum scandens Linnaeus USA: Massachusetts Concord: Concord D. Potter 1925-7-28
GH: 00562837 Reynoutria japonica Houttuyn USA: Massachusetts Concord: Concord D. Potter 1931-9-15
GH: 00562838 Reynoutria japonica Houttuyn USA: Massachusetts Concord: Concord D. Potter 1931-9-15
GH: 02006127 Rumex acetosella Linnaeus Canada: Quebec Province [data not captured] D. Potter 347 1920-7-8
GH: 02006212 Rumex acetosella Linnaeus Canada: New Brunswick [data not captured] D. Potter 7139 1936-8-24
GH: 02006211 Rumex acetosella Linnaeus Canada: New Brunswick [data not captured] D. Potter 7243 1936-8-23
GH: 02006210 Rumex acetosella Linnaeus Canada: New Brunswick [data not captured] D. Potter 5005 1935-7-25
GH: 02006209 Rumex acetosella Linnaeus Canada: New Brunswick [data not captured] D. Potter 5045 1935-7-25
GH: 02006208 Rumex acetosella Linnaeus Canada: Quebec Province [data not captured] D. Potter 347 1929-7-8
NEBC: 00501883 Rumex acetosella Linnaeus USA: Massachusetts Barre: Barre D. Potter 1933-6-7
GH: 00501903 Rumex acetosella Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1914-6-1
GH: 02006680 Rumex britannica Linnaeus Canada: New Brunswick [data not captured] D. Potter 7141 1936-8-25
GH: 02006679 Rumex britannica Linnaeus Canada: New Brunswick [data not captured] D. Potter 7330 1936-8-24
GH: 02005399 Rumex longifolius de Candolle Canada: New Brunswick [data not captured] D. Potter 7332 1936-8-24
GH: 00759608 Rumex obtusifolius Linnaeus USA: Massachusetts Lincoln: Lincoln D. Potter 1925-7-24
GH: 02005763 Rumex occidentalis S. Watson Canada: Nunavut [data not captured] D. Potter 352 1929-7-7
GH: 02005762 Rumex occidentalis S. Watson Canada: Nunavut [data not captured] D. Potter 349 1929-7-6
GH: 02005760 Rumex occidentalis S. Watson Canada: Quebec Province [data not captured] D. Potter 348 1929-7-18
GH: 02005761 Rumex occidentalis S. Watson Canada: Quebec Province [data not captured] D. Potter 350 1929-7-11
GH: 02005780 Rumex occidentalis S. Watson Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7559 1937-8-24
GH: 02005777 Rumex occidentalis S. Watson Canada: Quebec Province [data not captured] D. Potter 350 1929-7-11
GH: 01176213 Rumex salicifolius mexicanus (Meisner) C. L. Hitchcock Canada: New Brunswick Kent's Island; shore line - north end D. Potter 7331 1936-8-24
GH: 02004154 Rumex salicifolius mexicanus (Meisner) C. L. Hitchcock Canada: Quebec Province [data not captured] D. Potter 351 1929-7-12
GH: 02004153 Rumex salicifolius mexicanus (Meisner) C. L. Hitchcock Canada: New Brunswick [data not captured] D. Potter 7331 1936-8-24
GH: 02004187 Rumex triangulivalvis (Danser) K. H. Rechinger Canada: Quebec Province [data not captured] D. Potter 351 1929-7-12
GH: 01176213 Rumex triangulivalvis (Danser) K. H. Rechinger Canada: New Brunswick Kent's Island; shore line - north end D. Potter 7331 1936-8-24
GH: 02004154 Rumex triangulivalvis (Danser) K. H. Rechinger Canada: Quebec Province [data not captured] D. Potter 351 1929-7-12
GH: 02004153 Rumex triangulivalvis (Danser) K. H. Rechinger Canada: New Brunswick [data not captured] D. Potter 7331 1936-8-24
Portulacaceae GH: 01860404 Montia fontana Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8214 1937-8-4
GH: 01860434 Montia fontana Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8214 1937-8-4
Primulaceae GH: 01920000 Glaux maritima Linnaeus Canada: New Brunswick Kent's Island; the Basin D. Potter 7137 1936-8-25
GH: 00610870 Lysimachia arvensis (Linnaeus) U. Manns & Anderberg USA: Massachusetts Boston: Boston D. Potter 7373 1936-9-27
GH: 00610927 Lysimachia arvensis (Linnaeus) U. Manns & Anderberg USA: Rhode Island Newport: Newport D. Potter 522 1932-10-15
GH: 00610928 Lysimachia arvensis (Linnaeus) U. Manns & Anderberg USA: Rhode Island Newport: Newport D. Potter 1932-10-15
GH: 00610929 Lysimachia arvensis (Linnaeus) U. Manns & Anderberg USA: Rhode Island Newport: Newport D. Potter 1932-10-15
GH: 01816009 Primula egaliksensis Wormskjold Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7725 1937-8-22
GH: 01816008 Primula egaliksensis Wormskjold Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7724 1937-8-19
GH: 01816024 Primula laurentiana Fernald Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7723 1937-7-14
GH: 01816030 Primula stricta Hornemann Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7727 1937-7-16
GH: 01816029 Primula stricta Hornemann Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7726 1937-7-19
Ranunculaceae GH: 00562038 Actaea pachypoda Elliott USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 01034376 Actaea rubra (Aiton) Willdenow USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
NEBC: 01034446 Actaea rubra (Aiton) Willdenow USA: Massachusetts Worcester: Worcester D. Potter 1935-5-22
GH: 00572107 Anemone quinquefolia Linnaeus USA: Massachusetts Greenwich D. Potter 1648 1933-5-21
NEBC: 00572118 Anemone quinquefolia Linnaeus USA: Massachusetts Worcester: Worcester D. Potter 1935-5-22
GH: 00485445 Aquilegia canadensis Linnaeus USA: Massachusetts South Hadley: South Hadley D. Potter 1924-5-15
GH: 00759898 Aquilegia vulgaris Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1914-5-22
GH: 00866702 Caltha palustris Linnaeus USA: Massachusetts Sunderland: Sunderland D. Potter 1923-5-15
GH: 00866769 Clematis occidentalis (Hornemann) de Candolle USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00866788 Clematis occidentalis (Hornemann) de Candolle USA: Massachusetts South Hadley: South Hadley D. Potter 1914-5-2
NEBC: 00553662 Coptis trifolia (Linnaeus) Salisbury USA: Massachusetts Upton: Upton D. Potter 1935-5-25
GH: 00553680 Coptis trifolia (Linnaeus) Salisbury USA: Massachusetts Greenwich D. Potter 1537 1933-5-21
GH: 00595978 Hepatica acutiloba de Candolle USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00595979 Hepatica acutiloba de Candolle USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00595980 Hepatica acutiloba de Candolle USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 01013341 Hepatica americana (de Candolle) Ker Gawler USA: Massachusetts Sunderland: Sunderland D. Potter 1926-5-15
GH: 01013342 Hepatica americana (de Candolle) Ker Gawler USA: Massachusetts Sunderland: Sunderland D. Potter 1926-5-15
GH: 00831056 Ranunculus abortivus Linnaeus USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 01020524 Ranunculus abortivus Linnaeus USA: Massachusetts Holyoke: Holyoke D. Potter 1914-5-2
GH: 00485544 Ranunculus acris Linnaeus USA: Maine Machias: Machias D. Potter 7258 1936-8-26
GH: 00485572 Ranunculus acris Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1920-6-24
NEBC: 00485769 Ranunculus acris Linnaeus USA: Massachusetts Uxbridge: Uxbridge D. Potter 1934-5-21
NEBC: 00517381 Ranunculus bulbosus Linnaeus USA: Massachusetts Worcester: Worcester D. Potter 4591 1935-5-22
NEBC: 00517368 Ranunculus bulbosus Linnaeus USA: Massachusetts Grafton: Grafton D. Potter 1934-5-16
GH: 01015844 Ranunculus flabellaris Rafinesque USA: Massachusetts Concord: Concord River D. Potter 1925-4-25
GH: 01836281 Ranunculus nivalis Linnaeus Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8196 1937-7-28
GH: 01836282 Ranunculus nivalis Linnaeus Canada: Nunavut near Griffen Bay; Frobisher Bay D. Potter 7939 1937-7-29
GH: 01836283 Ranunculus nivalis Linnaeus Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8196 1937-7-28
NEBC: 00552826 Thalictrum dioicum Linnaeus USA: Massachusetts Grafton: Grafton D. Potter 1934-5-16
NEBC: 00552828 Thalictrum dioicum Linnaeus USA: Massachusetts Westborough: Westborough D. Potter 1934-5-27
GH: 00552774 Thalictrum dioicum Linnaeus USA: Massachusetts Concord: Concord D. Potter 1925-7-20
GH: 01838878 Thalictrum dioicum Linnaeus USA: New York Stephanville D. Potter 1550 1931-5
GH: 01838880 Thalictrum dioicum Linnaeus USA: New York Stephansville D. Potter 1551 1931-5
GH: 00697801 Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin USA: Massachusetts Greenwich D. Potter 1654 1933-5-21
GH: 00697824 Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin USA: Massachusetts Mt. Tom Junc. [Junction, Easthampton, Hampsh... D. Potter 1914-4-28
GH: 01839946 Thalictrum venulosum Trelease Canada: Nunavut Charlton Island; 3 miles N.W. of H.B.Co's. P... D. Potter 379 1929-7-6
Rhamnaceae GH: 00643663 Ceanothus americanus Linnaeus USA: Massachusetts Concord: Concord D. Potter 1925-7-20
GH: 00643664 Ceanothus americanus Linnaeus USA: Massachusetts Concord: Concord D. Potter 1925-7-20
Rosaceae GH: 00661608 Amelanchier bartramiana (Tausch) M. Roemer USA: Vermont Woodford: Woodford D. Potter 1930-1-17
GH: 00661609 Amelanchier bartramiana (Tausch) M. Roemer USA: Vermont Woodford: Woodford D. Potter 1930-5-17
GH: 00740665 Amelanchier stolonifera Wiegand USA: Massachusetts Carlisle: Carlisle, near Concord River D. Potter 1930-5-3
GH: 00744041 Aronia arbutifolia (Linnaeus) Persoon USA: New Hampshire Walpole: Walpole D. Potter 1930-5-18
GH: 00744042 Aronia arbutifolia (Linnaeus) Persoon USA: New Hampshire Walpole: Walpole D. Potter 1930-5-18
GH: 00738602 Aronia arbutifolia (Linnaeus) Persoon USA: Massachusetts Pelham: Pelham D. Potter 1914-5-2
GH: 00683984 Crataegus dissona Sargent USA: Massachusetts Amherst: Amherst D. Potter 1914-5-2
GH: 00703067 Crataegus monogyna Jacquin USA: Rhode Island Newport: Newport D. Potter 1932-10-15
GH: 00703068 Crataegus monogyna Jacquin USA: Rhode Island Newport: Newport D. Potter 1932-10-15
GH: 01588265 Dryas integrifolia Vahl Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8047 1937-7-27
GH: 01588266 Dryas integrifolia Vahl Canada: Nunavut near Griffin Bay; Frobisher Bay D. Potter 7855 1937-7-29
GH: 01588267 Dryas integrifolia Vahl Canada: Nunavut foot of Grinnell Glacier, Jackman Sound; Fro... D. Potter 8048 1937-7-28
GH: 01588268 Dryas integrifolia Vahl Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8049 1937-8-6
GH: 00524109 Fragaria vesca americana Porter USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00524113 Fragaria vesca americana Porter USA: Vermont Woodford: Woodford D. Potter 1930-5-17
GH: 00524114 Fragaria vesca americana Porter USA: Vermont Woodford: Woodford D. Potter 1930-5-17
GH: 00756162 Fragaria virginiana Miller USA: Massachusetts Amherst: Amherst D. Potter 1914-5-15
GH: 00756169 Fragaria virginiana Miller USA: Massachusetts Greenwich D. Potter 1263 1933-5-21
GH: 00669607 Geum fragarioides (Michaux) Smedmark USA: Vermont South Wallingford D. Potter 1930-5-18
GH: 00703113 Malus baccata (Linnaeus) Borkhausen USA: Massachusetts Amherst: Amherst D. Potter 1914-4-30
GH: 00643534 Potentilla anserina Linnaeus USA: Maine Machias: Machias D. Potter 7312 1936-8-26
GH: 00524212 Potentilla argentea Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1394a 1931-6-10
GH: 00524346 Potentilla argentea Linnaeus USA: Massachusetts Boston: Little Brewster [Island] Boston Harb... D. Potter 7374 1936-9-27
GH: 00710633 Potentilla canadensis Linnaeus USA: Massachusetts Bedford: Bedford, Carlisle Road D. Potter 1009 1930-5-3
NEBC: 00710732 Potentilla canadensis Linnaeus USA: Massachusetts Worcester: Worcester D. Potter 1935-5-22
GH: 00710749 Potentilla canadensis Linnaeus USA: Massachusetts Greenwich D. Potter 1866 1933-5-21
GH: 00644530 Potentilla simplex Michaux USA: Massachusetts Amherst: Amherst D. Potter 1914-5-20
GH: 00703536 Prunus cerasus Linnaeus USA: Massachusetts Amherst: Amherst D. Potter 1914-5-2
GH: 00669247 Prunus maritima Marshall USA: Massachusetts North Falmouth D. Potter 1932-9-23
GH: 00669250 Prunus maritima Marshall USA: Massachusetts North Falmouth D. Potter 1932-9-23
GH: 00742645 Prunus nigra Aiton USA: Vermont Mount Holly: Mount Holly D. Potter 1930-5-18
GH: 00742646 Prunus nigra Aiton USA: Vermont Mount Holly: Mount Holly D. Potter 1930-5-18
GH: 00742647 Prunus nigra Aiton USA: Vermont Mount Holly: Mount Holly D. Potter 1930-5-18
NEBC: 00743106 Prunus pensylvanica Linnaeus f. USA: Massachusetts Royalston: Royalston D. Potter 1940-5-19
GH: 00743140 Prunus pensylvanica Linnaeus f. USA: Massachusetts Pelham: Pelham D. Potter 1914-5-2
GH: 00743251 Prunus pumila depressa (Pursh) Gleason USA: New Hampshire Walpole: Walpole D. Potter 1930-5-18
GH: 00740189 Prunus serotina Ehrhart USA: Massachusetts Amherst: Amherst D. Potter 1914-5-16
GH: 00441529 Rosa palustris Marshall USA: Massachusetts Concord: Concord River D. Potter 1925-7-15
GH: 00562958 Rosa rugosa Thunberg USA: Massachusetts North Falmouth D. Potter 394 1932-7-20
GH: 00562959 Rosa rugosa Thunberg USA: Massachusetts North Falmouth D. Potter 1932-7-20
GH: 00641399 Rubus pubescens Rafinesque USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 00641510 Rubus pubescens Rafinesque USA: Massachusetts Greenwich D. Potter 2047 1933-5-21
GH: 01589824 Spiraea latifolia (Aiton) Borkhausen Canada: New Brunswick Kent's Island; west side D. Potter 7114 1936-8-25
GH: 00659471 Spiraea latifolia (Aiton) Borkhausen USA: Massachusetts Concord: Concord D. Potter 1925-7-25
GH: 00665902 Spiraea latifolia (Aiton) Borkhausen USA: Massachusetts Lexington: Lexington D. Potter 1925-5-19
GH: 00665903 Spiraea latifolia (Aiton) Borkhausen USA: Massachusetts Lexington: Lexington D. Potter 1925-7-19
GH: 00710169 Spiraea tomentosa Linnaeus USA: Massachusetts Concord: Concord D. Potter 1925-7-30
GH: 00710060 Spiraea tomentosa Linnaeus USA: Maine Nobleboro: Nobleboro D. Potter 1925-8-9
GH: 00710061 Spiraea tomentosa Linnaeus USA: Maine North Nobleboro D. Potter 1925-8-9
Rubiaceae GH: 00484428 Cephalanthus occidentalis Linnaeus USA: Massachusetts Concord: Concord D. Potter 1925-7-19
GH: 00698106 Galium Linnaeus USA: Rhode Island Cumberland: Cumberland D. Potter 1932
GH: 02358925 Galium aparine Linnaeus Canada: [data not captured] D. Potter 743 1929-7-4
GH: 02358921 Galium aparine Linnaeus Canada: [data not captured] D. Potter 743 1929-7-4
GH: 02358489 Galium asprellum Michaux Canada: [data not captured] D. Potter 742 1929-7-3
GH: 02358479 Galium asprellum Michaux Canada: [data not captured] D. Potter 742 1929-7-3
GH: 02358672 Galium boreale Linnaeus Canada: [data not captured] D. Potter 750 1929-7-3
GH: 02358671 Galium boreale Linnaeus Canada: [data not captured] D. Potter 739 1929-7-4
GH: 02358670 Galium boreale Linnaeus Canada: [data not captured] D. Potter 749 1929-7-1
GH: 02358669 Galium boreale Linnaeus Canada: [data not captured] D. Potter 748 1929-6-30
GH: 02358668 Galium boreale Linnaeus Canada: [data not captured] D. Potter 748 1929-6-30
GH: 02358667 Galium boreale Linnaeus Canada: [data not captured] D. Potter 749 1929-7-1
GH: 02138065 Galium labradoricum (Wiegand) Wiegand Canada: [data not captured] D. Potter 744 1929-7-9
GH: 02138064 Galium labradoricum (Wiegand) Wiegand Canada: [data not captured] D. Potter 746 1929-7-21
GH: 02138066 Galium labradoricum (Wiegand) Wiegand Canada: [data not captured] D. Potter 747 1929-7-18
GH: 02138584 Galium obtusum Bigelow Canada: [data not captured] D. Potter 744 1929-7-9
GH: 02138583 Galium obtusum Bigelow Canada: [data not captured] D. Potter 745 1929-7-6
GH: 02138586 Galium obtusum Bigelow Canada: [data not captured] D. Potter 747 1929-7-18
GH: 02138585 Galium obtusum Bigelow Canada: [data not captured] D. Potter 746 1929-7-21
GH: 02140774 Galium sp. Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7944 1937-8-22
GH: 02140771 Galium sp. Canada: Newfoundland & Labrador Labrador: [data not captured] D. Potter 7945 1937-8-19
GH: 02139683 Galium trifidum Linnaeus Canada: [data not captured] D. Potter 5083 1935-7-25
GH: 02139682 Galium trifidum Linnaeus Canada: [data not captured] D. Potter 5093 1935-7-26
GH: 02139681 Galium trifidum Linnaeus Canada: New Brunswick [data not captured] D. Potter 7276 1936-8-24
GH: 00820084 Galium trifidum Linnaeus USA: Massachusetts Saugus: Saugus D. Potter 1931-7-5
GH: 02140144 Galium triflorum Michaux Canada: [data not captured] D. Potter 740 1929-7-2
GH: 02140143 Galium triflorum Michaux Canada: [data not captured] D. Potter 741 1929-7-11
GH: 02140116 Galium triflorum Michaux Canada: [data not captured] D. Potter 740 1929-7-2
GH: 02140115 Galium triflorum Michaux Canada: [data not captured] D. Potter 741 1929-7-11
Rutaceae GH: 00771401 Ptelea trifoliata Linnaeus USA: Massachusetts Concord: Concord D. Potter 1937-6-26
GH: 00771402 Ptelea trifoliata Linnaeus USA: Massachusetts Concord: Concord D. Potter 7148 1936-9-8
Salicaceae NEBC: 00724145 Populus grandidentata Michaux USA: Massachusetts Paxton: Paxton D. Potter 1935-6-7
GH: 01097199 Salix lucida Muhlenberg Canada: Ontario [data not captured] D. Potter 910 1929-7-3
GH: 01097200 Salix lucida Muhlenberg Canada: Ontario [data not captured] D. Potter 911 1929-7-1
GH: 00769750 Salix lucida Muhlenberg USA: New Hampshire Walpole: Walpole D. Potter 1930-5-17
Santalaceae GH: 00575387 Comandra umbellata (Linnaeus) Nuttall USA: Massachusetts Woburn: Woburn D. Potter 1930-5-3
GH: 00575461 Comandra umbellata (Linnaeus) Nuttall USA: Massachusetts Greenwich D. Potter 1495 1933-5-21
NEBC: 00575438 Comandra umbellata (Linnaeus) Nuttall USA: Massachusetts Worcester: Worcester D. Potter 1935-5-22
Sarraceniaceae GH: 01678815 Sarracenia purpurea Linnaeus USA: New Jersey Cedar creek. Barnegat D. Potter 1714a 1931-7-18
GH: 01678816 Sarracenia purpurea Linnaeus USA: New Jersey Cedar creek. Barnegat D. Potter 1714 1931-7-18
GH: 01678817 Sarracenia purpurea Linnaeus USA: New Jersey Cedar creek. Barnegat D. Potter 1714a 1931-7-18
Saxifragaceae GH: 01008361 Chrysosplenium americanum Schweinitz ex Hooker USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 01008362 Chrysosplenium americanum Schweinitz ex Hooker USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 01711518 Micranthes foliolosa (R. Brown) Gornall Canada: Nunavut Jackman Sound; Frobisher Bay D. Potter 8110 1937-7-28
GH: 01711519 Micranthes foliolosa (R. Brown) Gornall Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8109 1937-8-3
GH: 01711520 Micranthes foliolosa (R. Brown) Gornall Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8111 1937-7-27
GH: 01711523 Micranthes foliolosa (R. Brown) Gornall Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8111 1937-7-27
GH: 01712000 Micranthes nivalis (Linnaeus) Small Canada: Nunavut near Griffen Bay; Frobisher Bay D. Potter 7676 1937-7-29
GH: 01712001 Micranthes nivalis (Linnaeus) Small Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8115 1937-8-6
GH: 01712002 Micranthes nivalis (Linnaeus) Small Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8117 1937-7-27
GH: 01712523 Micranthes stellaris (Linnaeus) Galasso, Banfi & Soldano Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8114 1937-8-3
GH: 01712524 Micranthes stellaris (Linnaeus) Galasso, Banfi & Soldano Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8114 1937-8-3
GH: 01038700 Mitella diphylla Linnaeus USA: Vermont Mount Equinox D. Potter 1930-5-17
GH: 01616120 Mitella nuda Linnaeus Canada: Nunavut James Bay, Charlton Island; 2 mile N.W. of H... D. Potter 508 1929-7-6
GH: 01616121 Mitella nuda Linnaeus Canada: James Bay, East Coast; East Main D. Potter 507 1929-7-11
GH: 01616122 Mitella nuda Linnaeus Canada: Ontario James Bay, Abitibi River; along 9 mile rapid... D. Potter 505 1929-6-29
GH: 01616176 Mitella nuda Linnaeus Canada: Ontario James Bay, Abitibi River; along 9 mile rapis... D. Potter 505 1929-6-29
GH: 01616177 Mitella nuda Linnaeus Canada: James Bay, East Coast; Rupert House D. Potter 504 1929-7-7
GH: 01616178 Mitella nuda Linnaeus Canada: Ontario James Bay, Moost River; Saw Pit Island D. Potter 506 1929-7-1
GH: 01616179 Mitella nuda Linnaeus Canada: Nunavut James Bay, Charlton Island; 2 miles N.W. of ... D. Potter 508 1929-7-6
GH: 01616180 Mitella nuda Linnaeus Canada: James Bay, East Coast; East Main D. Potter 507 1929-7-11
GH: 01633339 Ribes americanum Miller USA: New York Kingston D. Potter 1931-5-17
GH: 00730544 Ribes cynosbati Linnaeus USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 01651187 Ribes cynosbati Linnaeus USA: New York Hoosiac D. Potter 1545 1931-5
GH: 01651189 Ribes cynosbati Linnaeus USA: New York Hoosiac D. Potter 1546 1931-5
GH: 00665299 Ribes glandulosum Grauer USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 01651834 Ribes hirtellum Michaux Canada: New Brunswick Kent's Island; toward S. end D. Potter 7333 1936-8-24
GH: 00730933 Ribes lacustre Poiret USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 00730934 Ribes lacustre Poiret USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 01887923 Ribes rubrum Linnaeus USA: New York Stephanville D. Potter 1601 1931
GH: 00665700 Ribes triste Pallas USA: Vermont Mount Holly: Mount Holly D. Potter 1930-4-18
GH: 00665701 Ribes triste Pallas USA: Vermont Mount Holly: Mount Holly D. Potter 1930-4-18
GH: 01616672 Saxifraga aizoides Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8095 1937-7-27
GH: 01616673 Saxifraga aizoides Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8096 1937-8-3
GH: 01616858 Saxifraga aizoon Jacquin Canada: Nunavut near Griffen Bay; Frobisher Bay D. Potter 8104 1937-7-29
GH: 01619959 Saxifraga cernua Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8088 1937-7-27
GH: 01619960 Saxifraga cernua Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8089 1937-8-3
GH: 01619476 Saxifraga cespitosa Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8094 1937-8-4
GH: 01619477 Saxifraga cespitosa Linnaeus Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8093 1937-7-28
GH: 01619478 Saxifraga cespitosa Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8092 1937-7-27
GH: 01619479 Saxifraga cespitosa Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8094 1937-8-4
GH: 01619480 Saxifraga cespitosa Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8092 1937-7-27
GH: 01621508 Saxifraga oppositifolia Linnaeus Canada: Nunavut Jackman Sound; Frobisher Bay D. Potter 8107 1937-7-28
GH: 01621509 Saxifraga oppositifolia Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8108 1937-8-6
GH: 01621510 Saxifraga oppositifolia Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8106 1937-7-27
GH: 01621512 Saxifraga oppositifolia Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8106 1937-7-27
GH: 01621812 Saxifraga paniculata neogaea (Butters) D. Löve Canada: Nunavut near Griffen Bay; Frobisher Bay D. Potter 8104 1937-7-29
GH: 00563083 Saxifraga pensylvanica Linnaeus USA: Vermont East Wallingford D. Potter 1930-4-18
GH: 00563092 Saxifraga pensylvanica Linnaeus USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 01631109 Saxifraga rivularis Linnaeus Canada: Nunavut Acadia Cove; Resolution Island; Frobisher Ba... D. Potter 8101 1937-7-27
GH: 01631110 Saxifraga rivularis Linnaeus Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8103 1937-8-4
GH: 01631323 Saxifraga tricuspidata Rottbøll Canada: Nunavut near Griffen Bay; Frobisher Bay D. Potter 8098 1937-7-29
GH: 01631324 Saxifraga tricuspidata Rottbøll Canada: Nunavut foot of Grinnell Glacier, Jackman Sound; Fro... D. Potter 8097 1937-7-28
GH: 01631325 Saxifraga tricuspidata Rottbøll Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8099 1937-8-6
GH: 01631337 Saxifraga tricuspidata Rottbøll Canada: Nunavut foot of Grinnell Glacier; Jackman Sound; Fro... D. Potter 8097 1937-7-28
GH: 01631338 Saxifraga tricuspidata Rottbøll Canada: Nunavut near Griffen Bay; Frobisher Bay D. Potter 8098 1937-7-29
GH: 01631339 Saxifraga tricuspidata Rottbøll Canada: Nunavut Point Brewster; Frobisher Bay D. Potter 8099 1937-8-6
GH: 00575024 Saxifraga virginiensis Michaux USA: Vermont Westmoreland D. Potter 1935-5-17
GH: 00575027 Saxifraga virginiensis Michaux USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00575113 Saxifraga virginiensis Michaux USA: Massachusetts Mt. Toby [Leverett/Sunderland] D. Potter 1926-5-15
GH: 00575125 Saxifraga virginiensis Michaux USA: Massachusetts Holyoke: Holyoke D. Potter 1914-4-30
GH: 00575019 Saxifraga virginiensis Michaux USA: Vermont Mt. Holly: D. Potter 1930-4-18
GH: 01038900 Tiarella cordifolia Linnaeus USA: Vermont Hog Back Mountain D. Potter 1930-5-16
GH: 01038901 Tiarella cordifolia Linnaeus USA: Vermont Hog Back Mountain D. Potter 1930-5-16
GH: 01038902 Tiarella cordifolia Linnaeus USA: Vermont Hog Back Mountain D. Potter 1930-5-16
Scrophulariaceae GH: 00505208 Verbascum thapsus Linnaeus USA: Massachusetts Saugus: Saugus D. Potter 1931-7-5
Smilacaceae GH: 01049105 Smilax glauca Walter USA: Massachusetts Cape Cod D. Potter 1620 1929
Solanaceae GH: 00564352 Solanum dulcamara Linnaeus USA: Massachusetts Saugus: Saugus D. Potter 1713 1931-7-5
GH: 00645321 Solanum emulans Rafinesque USA: Massachusetts Concord: Concord D. Potter 7163 1936-9-8
GH: 00645322 Solanum emulans Rafinesque USA: Massachusetts Concord: Concord D. Potter 1931-9-15
GH: 00598661 Solanum nigrum Linnaeus USA: Massachusetts Boston: Little Brewster [Island], Boston Har... D. Potter 7372 1936-9-27
GH: 00598661 Solanum nigrum-2 Hassler USA: Massachusetts Boston: Little Brewster [Island], Boston Har... D. Potter 7372 1936-9-27
Taxaceae GH: 00668437 Taxus canadensis Marshall USA: Vermont Woodford: Woodford D. Potter 1930-5-17
Taxodiaceae GH: 01116029 Sciadopitys verticillata Siebold & Zuccarini USA: Massachusetts Worcester: Hadwin Arboretum, Clark Uni. D. Potter 1931-4-11
Thymelaeaceae GH: 00754266 Dirca palustris Linnaeus USA: Vermont Mount Equinox D. Potter 1930-5-17
GH: 00754267 Dirca palustris Linnaeus USA: Vermont Mount Equinox D. Potter 1930-5-17
GH: 00754268 Dirca palustris Linnaeus USA: Vermont Mount Equinox D. Potter 1930-5-17
Trilliaceae GH: 00573158 Medeola virginiana Linnaeus USA: Massachusetts Beverly: Beverly D. Potter 1941-6-17
GH: 00573177 Medeola virginiana Linnaeus USA: Massachusetts Concord: Concord D. Potter 1930-7-20
Typhaceae GH: 00652935 Typha latifolia Linnaeus USA: Massachusetts Concord: Cambridge Turnpike D. Potter 1930-7-20
Urticaceae GH: 00705824 Pilea pumila (Linnaeus) A. Gray USA: Massachusetts Concord: Concord D. Potter 1937-9-18
GH: 02171134 Urtica dioica gracilis (Aiton) Selander Canada: New Brunswick [data not captured] D. Potter 7131 1936-8-25
GH: 02171166 Urtica dioica gracilis (Aiton) Selander Canada: Quebec Province [data not captured] D. Potter 336 1920-7-8
GH: 02171165 Urtica dioica gracilis (Aiton) Selander Canada: Quebec Province [data not captured] D. Potter 335 1929-7-11
GH: 02171207 Urtica dioica gracilis (Aiton) Selander Canada: Quebec Province [data not captured] D. Potter 335 1929-7-11
GH: 02171206 Urtica dioica gracilis (Aiton) Selander Canada: Quebec Province [data not captured] D. Potter 336 1929-7-8
GH: 00866077 Urtica dioica gracilis (Aiton) Selander USA: Massachusetts Concord: Concord D. Potter 1599 1931-1-1
GH: 00866078 Urtica dioica gracilis (Aiton) Selander USA: Massachusetts Concord: Concord D. Potter 1599a 1931
Verbenaceae GH: 00696278 Verbena hastata Linnaeus USA: Massachusetts Lincoln: Lincoln D. Potter 1925-7-23
Violaceae GH: 00760310 Viola affinis Leconte USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00565976 Viola blanda Willdenow USA: Vermont Hay Brook Mt. D. Potter 1930-5-16
GH: 00715804 Viola canadensis Linnaeus USA: Vermont Marlboro: Marlboro D. Potter 1930-5-16
GH: 00715805 Viola canadensis Linnaeus USA: Vermont Marlboro: Marlboro D. Potter 1930-5-16
GH: 00715806 Viola canadensis Linnaeus USA: Vermont Marlboro: Marlboro D. Potter 1930-5-16
GH: 00504153 Viola cucullata Aiton USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
GH: 00504173 Viola cucullata Aiton USA: Massachusetts Bedford: Bedford, Carlisle Road D. Potter 1008 1930-5-3
GH: 00504331 Viola cucullata Aiton USA: Massachusetts South Hadley: South Hadley D. Potter 1914-5-2
NEBC: 00560959 Viola labradorica Schrank USA: Massachusetts Oakham: Oakham D. Potter 1933-5-21
GH: 00569498 Viola lanceolata Linnaeus USA: Massachusetts Cape Cod D. Potter 1616 1929
GH: 00573962 Viola lanceolata Linnaeus USA: Massachusetts South Hadley: South Hadley D. Potter 1914-5-2
NEBC: 00760373 Viola pallens (Banks ex Gingins) Brainerd USA: Massachusetts Hubbardston: Hubbardston D. Potter 1934-5-6
GH: 00715974 Viola pedata Linnaeus USA: Massachusetts Arlington: Arlington D. Potter 1010 1930-5-3
GH: 00687398 Viola pubescens Aiton USA: Vermont Marlboro: Marlboro D. Potter 1930-5-16
NEBC: 00713866 Viola pubescens Aiton USA: Massachusetts Worcester: Worcester D. Potter 1935-5-22
GH: 02209793 Viola rostrata Pursh USA: New York Stephanville D. Potter 1602 1931-5
GH: 00702767 Viola rotundifolia Michaux USA: Vermont Hog Back Mountain D. Potter 1931
GH: 00702768 Viola rotundifolia Michaux USA: Vermont Hog Back Mountain D. Potter 1931
GH: 00640204 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Massachusetts Bedford: Bedford, Carlisle Road D. Potter 1007 1930-5-3
GH: 00665878 Viola sororia Willdenow USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00665879 Viola sororia Willdenow USA: Vermont Manchester (Vermont): Manchester D. Potter 1930-5-17
GH: 00748536 Viola sororia House USA: Vermont Searsburg: Searsburg D. Potter 1930-5-17
Xyridaceae GH: 01151653 Xyris difformis Chapman USA: Massachusetts Cape Cod D. Potter 1623 1929
