Harvard University Herbaria & Libraries

Asteraceae
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
Brassicaceae
GH: 00948683 Boechera stricta (Graham) Al-Shehbaz Canada: Ontario [data not captured] W. R. Watson 3033 1926-8-3
Cyperaceae
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: 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
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: 02102234 Juncus dudleyi Wiegand Canada: Ontario [data not captured] W. R. Watson 3174 1926-8-11
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
Melampsoraceae
FH: 00990845 Melampsoridium betulinum (Persoon) Klebahn Canada: Ontario Bradford W. R. Watson 1926-9-18
Orchidaceae
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: 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
GH: 02302793 Spiranthes romanzoffiana Chamisso Canada: Ontario Howdenvale W. R. Watson 3616 1926-8-30
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
Rubiaceae
GH: 02138895 Galium palustre Linnaeus Canada: Ontario [data not captured] W. R. Watson 2833 1926-7-26
GH: 02140200 Galium triflorum Michaux Canada: Ontario [data not captured] W. R. Watson 3532 1926-8-28
Sarraceniaceae
GH: 01678735 Sarracenia purpurea Linnaeus Canada: Ontario Bruce Peninsula. Howdenvale W. R. Watson 3087 1926-8-6