Asteraceae GH: 01235536 Achillea borealis Bongard Canada: Ontario Temagami Forest Reserve W. R. Watson 5983 1922-6-21
GH: 01003522 Artemisia absinthium Linnaeus Canada: Ontario Bruce Peninsula; Howdenvale W. R. Watson 3538 1926-8-25
GH: 00968199 Artemisia campestris caudata (Michaux) H. M. Hall & Clements Canada: Ontario Bruce Peninsula; Howdenvale W. R. Watson 3659 1926-8-31
GH: 02172944 Cirsium arvense (Linnaeus) Scopoli Canada: Ontario [data not captured] W. R. Watson 5966 1922-7-20
GH: 02020847 Cirsium flodmanii (Rydberg) Arthur Canada: Ontario [data not captured] W. R. Watson 5963 1934-7-13
GH: 02216863 Conyza canadensis (Linnaeus) Cronquist Canada: Ontario [data not captured] W. R. Watson 5962 1922-7-15
GH: 02207492 Erigeron annuus (Linnaeus) Persoon Canada: Ontario Nipissing District: [data not captured] W. R. Watson 1396 1923-9-1
GH: 02352413 Erigeron philadelphicus Linnaeus Canada: Ontario [data not captured] W. R. Watson 919 1923-7-17
GH: 02351627 Erigeron strigosus Muhlenberg ex Willdenow Canada: Ontario [data not captured] W. R. Watson 5960 1922-7-18
Betulaceae GH: 02103249 Ostrya virginiana (Miller) K. Koch Canada: Ontario [data not captured] W. R. Watson 6758 1922-6-26
Boletaceae FH: 00546130 Suillus grevillei (Klotzsch) Singer Canada: Ontario Ottawa: [no additional data] W. R. Watson s.n. 1946-9-12
Brassicaceae GH: 00974886 Barbarea vulgaris W. T. Aiton Canada: Ontario [data not captured] W. R. Watson 6804 1922-7-5
GH: 01181946 Boechera divaricarpa (A. Nelson) A. Löve & D. Löve Canada: Ontario [data not captured] W. R. Watson 976 1923-7-19
GH: 00948683 Boechera stricta (Graham) Al-Shehbaz Canada: Ontario [data not captured] W. R. Watson 3033 1926-8-3
GH: 01098128 Capsella bursa-pastoris (Linnaeus) Medikus Canada: Ontario [data not captured] W. R. Watson 6806 1922-6-24
GH: 00999039 Cardamine parviflora arenicola (Britton) O. E. Schulz Canada: Ontario [data not captured] W. R. Watson 6807 1933-6-9
Cupressaceae GH: 02104175 Juniperus communis depressa Pursh Canada: Ontario [data not captured] W. R. Watson 6592 1923-6-22
Cyperaceae GH: 02393902 Carex canescens Linnaeus Canada: Ontario [data not captured] W. R. Watson 838 1923-7-5
GH: 01547840 Carex disperma Dewey Canada: Ontario [data not captured] W. R. Watson 1257 1923-8-18
GH: 02392888 Carex interior L. H. Bailey Canada: Ontario [data not captured] W. R. Watson 947 1923-7-18
GH: 01772156 Carex lupulina Muhlenberg ex Willdenow Canada: Ontario [data not captured] W. R. Watson 6668 1922-7-3
GH: 01773347 Carex retrorsa Schweinitz Canada: Ontario [data not captured] W. R. Watson 926 1923-7-17
GH: 02391365 Carex sterilis Schkuhr ex Willdenow Canada: Ontario [data not captured] W. R. Watson 3045 1926-8-6
GH: 02391368 Carex sterilis Schkuhr ex Willdenow Canada: Ontario [data not captured] W. R. Watson 2915 1926-7-31
GH: 02394691 Carex trisperma Dewey Canada: Ontario [data not captured] W. R. Watson 837 1923-7-5
GH: 01774086 Carex utriculata Boott Canada: Ontario [data not captured] W. R. Watson 6672 1922-6-29
GH: 01775196 Carex vesicaria Linnaeus Canada: Ontario [data not captured] W. R. Watson 6673 1922-7-3
GH: 02371944 Carex vulpinoidea Michaux Canada: Ontario [data not captured] W. R. Watson 6674 1934-6-22
GH: 02371943 Carex vulpinoidea Michaux Canada: Ontario [data not captured] W. R. Watson 1140 1934-8-1
GH: 02371932 Carex vulpinoidea Michaux USA: New York [data not captured] W. R. Watson 3188 1926-8-12
GH: 02371931 Carex vulpinoidea Michaux USA: New York [data not captured] W. R. Watson 2880 1926-7-30
Droseraceae GH: 01143792 Drosera intermedia Hayne Canada: Ontario Temagami Forest Reserve. W. R. Watson 6817 1922-6-29
Ericaceae GH: 01117120 Andromeda polifolia latifolia Aiton Canada: Temagami Forest Reserve W. R. Watson 6932 1922-8-9
GH: 01562250 Chimaphila umbellata cisatlantica S. F. Blake Canada: Ontario Bigson Bay. Temagami Forest Reserve W. R. Watson 6937 1922-7-15
GH: 01684903 Pyrola chlorantha Swartz Canada: Ontario [data not captured] W. R. Watson 905 1923-7-13
Fabaceae GH: 02344803 Vicia americana Muhlenberg ex Willdenow Canada: Ontario [data not captured] W. R. Watson 1934 1923-6-25
Gentianaceae GH: 02166138 Gentianopsis virgata (Rafinesque) Holub Canada: Ontario Howdenvale W. R. Watson 3631 1926-8-31
Hippuridaceae GH: 02000180 Hippuris vulgaris Linnaeus Canada: Ontario [data not captured] W. R. Watson 3125 1926-8-10
Juncaceae GH: 02100254 Juncus brevicaudatus (Engelmann) Fernald Canada: [data not captured] W. R. Watson 942 1923-7-18
GH: 02102234 Juncus dudleyi Wiegand Canada: Ontario [data not captured] W. R. Watson 3174 1926-8-11
GH: 02102263 Juncus dudleyi Wiegand Canada: [data not captured] W. R. Watson 6694 1922-6-23
GH: 02401370 Juncus filiformis Linnaeus Canada: [data not captured] W. R. Watson 6695 1934-7-11
GH: 02463113 Juncus militaris Bigelow Canada: Ontario Nipissing District: Temagami Forest Reserve;... W. R. Watson 1936 1924-9-3
GH: 02399029 Juncus nodosus Linnaeus Canada: Ontario [data not captured] W. R. Watson 3189 1926-8-12
GH: 02398822 Juncus tenuis Willdenow Canada: Ontario [data not captured] W. R. Watson 2907 1926-7-31
Lentibulariaceae GH: 01974568 Utricularia cornuta Michaux Canada: Ontario Temagami Forest Reserve. W. R. Watson 6991 1922-7-4
GH: 01975217 Utricularia intermedia Hayne Canada: Ontario Temagami Forest Reserve. W. R. Watson 6992 1922-8-4
GH: 01975476 Utricularia macrorhiza LeConte Canada: Ontario Temagami Forest Reserve. W. R. Watson 6994 1922-8-8
GH: 01975986 Utricularia resupinata B. D. Greene ex Bigelow Canada: Ontario Temagami Forest Reserve. W. R. Watson 6993 1922-8-16
Melampsoraceae FH: 01022809 Chrysomyxa chiogenis Dietel Canada: Ontario Bear Id., Lake Timagami W. R. Watson 1925-6-5
FH: 01022811 Chrysomyxa chiogenis Dietel Canada: Ontario Bear Id., T. F. R. W. R. Watson 1924-9-12
FH: 01022812 Chrysomyxa chiogenis Dietel Canada: Ontario Bear Id., T. F. R. W. R. Watson 1924-9-12
FH: 01022826 Chrysomyxa chiogenis Dietel Canada: Ontario Bear Island, T. F. R. W. R. Watson 1924-8-6
FH: 01022827 Chrysomyxa chiogenis Dietel Canada: Ontario Bear Island, T. F. R. W. R. Watson 1924-8-6
FH: 01022828 Chrysomyxa chiogenis Dietel Canada: Ontario Bear Island, T. F. R. W. R. Watson 1924-9-12
FH: 01022829 Chrysomyxa chiogenis Dietel Canada: Ontario Bear Island, T. F. R. W. R. Watson 1924-8-6
FH: 00877119 Chrysomyxa ledicola Lagerheim Canada: Alberta Banff: Sundance Canyon W. R. Watson 1925-7-4
FH: 00877121 Chrysomyxa ledicola Lagerheim Canada: Alberta Banff: Cave and Basin W. R. Watson 1925-7-4
FH: 00877122 Chrysomyxa ledicola Lagerheim Canada: Alberta Banff: [no additional data] W. R. Watson 1925-7-4
FH: 00877186 Chrysomyxa pyrolae Rostrup Canada: Alberta Castlemount W. R. Watson 2251 1925-6-20
FH: 00877236 Chrysomyxa pyrolae Rostrup Canada: Alberta Waterton Lakes Park W. R. Watson 1925-6-15
FH: 00877341 Coleosporium asterum (Dietel) Sydow & P. Sydow Canada: Alberta Pincher Creek W. R. Watson 1925-8-29
FH: 00989487 Melampsora americana Arthur Canada: Quebec Province Bear Id., Lake Timagami W. R. Watson 1924-7-9
FH: 00990585 Melampsora medusae Thümen Canada: Alberta Waterton Lakes Park W. R. Watson 1925-9-10
FH: 00990591 Melampsora paradoxa Dietel & Holway Canada: Alberta Lake Agnes W. R. Watson 1925-7-11
FH: 00990761 Melampsorella cerastii (Persoon) J. Schröter Canada: Ontario Bear Id., Lake Timagami W. R. Watson 1809-154 1924-7-30
FH: 00990762 Melampsorella cerastii (Persoon) J. Schröter Canada: Ontario Bear Id., Lake Timagami W. R. Watson 1806-156 1924-7-30
FH: 00990767 Melampsorella cerastii (Persoon) J. Schröter Canada: Ontario Bear Id., Lake Timagami W. R. Watson 1832-156 1924-8-5
FH: 00990768 Melampsorella cerastii (Persoon) J. Schröter Canada: New Brunswick St. Leonard's W. R. Watson 3763 1927-7-11
FH: 00990778 Melampsorella cerastii (Persoon) J. Schröter Canada: Ontario Bear Id., Lake Timagami W. R. Watson 1813-146 1924-7-31
FH: 00990779 Melampsorella cerastii (Persoon) J. Schröter Canada: Ontario Bear Id., Lake Timagami W. R. Watson 1814-141 1924-7-31
FH: 00990782 Melampsorella cerastii (Persoon) J. Schröter Canada: Ontario Bear Id., Lake Timagami W. R. Watson 1782-145 1924-7-26
FH: 00990783 Melampsorella cerastii (Persoon) J. Schröter Canada: Ontario Bear Id., Lake Timagami W. R. Watson 1784-152 1924-7-26
FH: 00990845 Melampsoridium betulinum (Persoon) Klebahn Canada: Ontario Bradford W. R. Watson 1926-9-18
FH: 00956573 Pucciniastrum arcticum Tranzschel Canada: Alberta Waterton Lakes Park W. R. Watson 1925-6-10
FH: 00956598 Pucciniastrum epilobii (Persoon) G. H. Otth Canada: Alberta Pincher Creek W. R. Watson 1925-8-29
FH: 00956599 Pucciniastrum epilobii (Persoon) G. H. Otth Canada: New Brunswick St. Leonart W. R. Watson 1927-8-25
FH: 00956997 Pucciniastrum pyrolae (J. F. Gmelin) J. Schröter Canada: Ontario Along tower fork of telephone trail, Bear Id... W. R. Watson 1787 1924-7-26
FH: 01004018 Pucciniastrum pyrolae (J. F. Gmelin) J. Schröter Canada: Ontario L. Timagami W. R. Watson 1868 1923-8-7
Orchidaceae AMES: 02031621 Calopogon tuberosus (Linnaeus) Britton, Stearn & Poggenburg Canada: Temagami Forest Reserve, Calopogon Bog, Catt... W. R. Watson 982 1923-7-23
AMES: 02065935 Coeloglossum viride bracteata (Muhlenberg) Grey Canada: Ontario Temagami Forest Reserve W. R. Watson 6728 1923-6-24
GH: 01938779 Corallorhiza trifida Châtelain Canada: Temagami Forest Reserve W. R. Watson 6721 1923-6-7
GH: 02029066 Liparis loeselii (Linnaeus) Richard Canada: Ontario Bruce Peninsula, Howdenvale W. R. Watson 3202 1926-8-12
GH: 02050808 Listera convallarioides (Swartz) Nuttall ex Elliott Canada: Ontario Howdenvale W. R. Watson 3472 1926-8-24
AMES: 02066827 Platanthera clavellata (Michaux) Luer Canada: Ontario Temagami Forest Reserve W. R. Watson 6729 1922-8-17
AMES: 02046297 Platanthera obtusata (Banks ex Pursh) Lindley Canada: Temagami Forest Reserve, Kettle Lake W. R. Watson 1053 1923-7-29
AMES: 02046299 Platanthera obtusata (Banks ex Pursh) Lindley Canada: Temagami Forest Reserve W. R. Watson 6732 1922-7-4
AMES: 02046913 Platanthera psycodes (Linnaeus) Lindley Canada: Temagami Forest Reserve. Chokecherry Lake W. R. Watson 1100 1923-7-31
AMES: 02050315 Platanthera unalascensis (Sprengel) Kurtz Canada: Ontario Bruce Peninsula, Oliphant W. R. Watson 2975 1926-8-3
GH: 02051810 Pogonia ophioglossoides (Linnaeus) Ker Gawler Canada: Ontario Bruce Peninsula, Howdenvale W. R. Watson 3072 1926-8-6
AMES: 02051870 Pogonia ophioglossoides (Linnaeus) Ker Gawler Canada: Temagami Forest Reserve, Kettle Lake W. R. Watson 1056 1923-7-28
Plantaginaceae GH: 02212960 Chelone glabra Linnaeus Canada: Ontario [data not captured] W. R. Watson 3446 1926-8-23
GH: 01805195 Veronica anagallis-aquatica Linnaeus Canada: Ontario [data not captured] W. R. Watson 3150 1926-8-10
GH: 01805614 Veronica chamaedrys Linnaeus Canada: [data not captured] W. R. Watson 1695 1924-7-3
GH: 01811480 Veronica scutellata Linnaeus Canada: Ontario [data not captured] W. R. Watson 6990 1922-7-12
Polygonaceae GH: 02364226 Persicaria amphibia (Linnaeus) Delarbre Canada: Ontario [data not captured] W. R. Watson 6764 1922-7-14
GH: 02006968 Rumex crispus Linnaeus Canada: Ontario [data not captured] W. R. Watson 6774 1922-6-26
Potamogetonaceae GH: 00449503 Potamogeton amplifolius Tuckerman Canada: [data not captured] W. R. Watson 1178 1923-8-11
Pucciniaceae FH: 01012094 Caeoma faulliana L. L. M. Hunter Canada: Alberta Banff: [no additional data] W. R. Watson 2262 1925-7-8
FH: 00940814 Puccinia absinthii de Candolle Canada: Ontario Nipissing District: Friday's Clearing, Lake ... W. R. Watson 1923-9-1
FH: 00940818 Puccinia absinthii de Candolle Canada: Ontario Nipissing District: Friday's Lower Clearing,... W. R. Watson 1923-9-1
FH: 00955877 Puccinia helianthi Schweinitz Canada: Ontario Friday's Top Clearing, Lake Timagami W. R. Watson 1923-9-1
FH: 01001373 Puccinia hieracii (Röhling) H. Martius Canada: Ontario Cattle Island, Lake Timagami, Ontario W. R. Watson 1923-8-31
FH: 01129366 Puccinia physostegiae Peck & Clinton Canada: Ontario Toronto: near Filtration Plant, Centre Islan... W. R. Watson 1938-7-29
Rubiaceae GH: 02358533 Galium asprellum Michaux Canada: [data not captured] W. R. Watson 6997 1922-8-2
GH: 02358810 Galium boreale Linnaeus Canada: [data not captured] W. R. Watson 6998 1922-6-28
GH: 02138895 Galium palustre Linnaeus Canada: Ontario [data not captured] W. R. Watson 2833 1926-7-26
GH: 02139410 Galium tinctorium Linnaeus Canada: [data not captured] W. R. Watson 1400 1923-9-3
GH: 02140200 Galium triflorum Michaux Canada: Ontario [data not captured] W. R. Watson 3532 1926-8-28
GH: 02140197 Galium triflorum Michaux Canada: [data not captured] W. R. Watson 819 1923-7-2
Sarraceniaceae GH: 01678735 Sarracenia purpurea Linnaeus Canada: Ontario Bruce Peninsula. Howdenvale W. R. Watson 3087 1926-8-6