Adiantaceae GH: 00678081 Cryptogramma stelleri (S. G. Gmelin) Prantl USA: Massachusetts Sunderland: Sunderland S. J. Ewer 1928-6-12
Anacardiaceae GH: 00772386 Toxicodendron vernix (Linnaeus) Kuntze USA: Massachusetts Pelham: Pelham S. J. Ewer 1928-7-7
Apiaceae NEBC: 01051230 Heracleum maximum W. Bartram USA: Maine Mount Katahdin S. J. Ewer 5 1929-7-18
NEBC: 01051541 Hydrocotyle americana Linnaeus USA: Massachusetts Leyden: Leyden S. J. Ewer 54258d 1928-8-21
Aquifoliaceae NEBC: 00767452 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine Mount Katahdin S. J. Ewer 277 1929-8-7
Asteraceae NEBC: 00531122 Achillea millefolium Linnaeus USA: Massachusetts Leyden: Leyden S. J. Ewer 54170d 1928-7-10
NEBC: 01066014 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Mount Katahdin S. J. Ewer 1929-7-26
NEBC: 00725454 Arnica lanceolata Nuttall USA: Maine Mount Katahdin S. J. Ewer 80 1929-7-23
NEBC: 00725453 Arnica lanceolata Nuttall USA: Maine Mount Katahdin S. J. Ewer 158 1929-6-27
NEBC: 01019358 Doellingeria umbellata (Miller) Nees USA: Maine Mount Katahdin S. J. Ewer 139 1929-7-26
NEBC: 00587551 Hieracium aurantiacum Linnaeus USA: Massachusetts Leyden: Leyden S. J. Ewer 1928-7-6
NEBC: 00626864 Leucanthemum vulgare Lamarck USA: Maine Mount Katahdin S. J. Ewer 258 1929-8-6
GH: 00502501 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington S. J. Ewer
GH: 00725892 Omalotheca supina (Linnaeus) de Candolle USA: Maine Mount Katahdin S. J. Ewer 1928-7-13
NEBC: 00441138 Omalotheca supina (Linnaeus) de Candolle USA: Maine Mount Katahdin S. J. Ewer 1929-8-1
NEBC: 00725968 Solidago leiocarpa de Candolle USA: Maine Mount Katahdin S. J. Ewer 236 1929-8-3
GH: 02003072 Solidago macrophylla Pursh USA: New Hampshire Mt. Adams, spur trail S. J. Ewer 1928-8-2
NEBC: 01031719 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Mount Katahdin S. J. Ewer 270 1929-8-6
NEBC: 01031720 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Mount Katahdin S. J. Ewer 50 1929-7-23
Athyriaceae NEBC: 00678130 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine Mount Katahdin S. J. Ewer 205 1929-7-30
NEBC: 00678131 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine Mount Katahdin S. J. Ewer 59 1929-7-23
Balsaminaceae NEBC: 01069298 Impatiens pallida Nuttall USA: Massachusetts Leyden: West Leyden S. J. Ewer 54210 d 1928-9-1
Betulaceae NEBC: 00636809 Betula cordifolia Regel USA: Maine Mount Katahdin S. J. Ewer 90 1929-7-23
NEBC: 00636808 Betula cordifolia Regel USA: Maine Mount Katahdin S. J. Ewer 108 1929-7-23
NEBC: 00678885 Betula glandulosa Michaux USA: Maine Mount Katahdin S. J. Ewer 43 1929-7-21
Brassicaceae NEBC: 00757086 Cardamine bellidifolia Linnaeus USA: Maine Mount Katahdin S. J. Ewer 116 1929-7-24
Campanulaceae GH: 00820392 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Washington S. J. Ewer 1928-7-14
Caprifoliaceae NEBC: 00633308 Linnaea borealis americana (Forbes) Rehder USA: Maine Mount Katahdin: Mount Katahdin S. J. Ewer 41 1929-7-21
NEBC: 00633307 Linnaea borealis americana (Forbes) Rehder USA: Maine Mount Katahdin: Mount Katahdin S. J. Ewer 222 1929-8-1
NEBC: 00682826 Lonicera villosa (Michaux) Roemer & Schultes USA: Maine Mount Katahdin S. J. Ewer 1929-7-26
NEBC: 00682824 Lonicera villosa (Michaux) Roemer & Schultes USA: Maine Mount Katahdin S. J. Ewer 1929-7-23
NEBC: 00682825 Lonicera villosa (Michaux) Roemer & Schultes USA: Maine Mount Katahdin S. J. Ewer 1929-8-3
NEBC: 00687705 Viburnum edule (Michaux) Rafinesque USA: Maine Mount Katahdin S. J. Ewer 1929-7-23
NEBC: 00687704 Viburnum edule (Michaux) Rafinesque USA: Maine Mount Katahdin S. J. Ewer 1929-7-27
NEBC: 00558981 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Maine S. J. Ewer 1928-7-27
NEBC: 00558982 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Maine Mt. Katahdin S. J. Ewer 1930-7-28
Caryophyllaceae NEBC: 00564617 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Maine Mt. Katahdin S. J. Ewer 246 1929-8-6
NEBC: 00693537 Stellaria alsine Grimm USA: Maine Mount Katahdin S. J. Ewer 79 1929-7-23
Cornaceae NEBC: 00765435 Cornus stolonifera Michaux USA: Maine Mount Katahdin S. J. Ewer 1929-7-23
Cyperaceae GH: 00217357 Carex bigelowii Torrey ex Schweinitz USA: New Hampshire Mount Adams, near Lowe's Path S. J. Ewer 1928-8-2
NEBC: 00217326 Carex bigelowii Torrey ex Schweinitz USA: Maine Mount Katahdin, Saddle Slide S. J. Ewer 22 1929-7-18
NEBC: 00218395 Carex brunnescens (Persoon) Poiret USA: Maine Mount Katahdin, Parson's trail, just below S... S. J. Ewer 1929-7-18
GH: 00222118 Carex brunnescens (Persoon) Poiret USA: Maine Mount Katahdin, North Basin S. J. Ewer 1928-8-14
GH: 00219021 Carex canescens Linnaeus USA: New Hampshire Mount Washington S. J. Ewer 1928-8-4
NEBC: 00219132 Carex canescens Linnaeus USA: Maine Mount Katahdin, between Lower and Middle Bas... S. J. Ewer 175 1929-7-27
NEBC: 00263528 Carex intumescens Rudge USA: Maine Trail between Basin and Chimney Ponds, Mt. K... S. J. Ewer 269 1929-8-6
NEBC: 00807719 Carex pallescens Linnaeus USA: Maine Mount Katahdin S. J. Ewer 274 1929-8-7
NEBC: 00775420 Carex scirpoidea Michaux USA: Maine Mount Katahdin S. J. Ewer 226 1929-8-1
NEBC: 00775421 Carex scirpoidea Michaux USA: Maine Mount Katahdin S. J. Ewer 152 1929-7-26
NEBC: 01059921 Carex trisperma Dewey USA: Maine Mount Katahdin S. J. Ewer 83 1929-7-23
NEBC: 01059922 Carex trisperma Dewey USA: Maine Mount Katahdin S. J. Ewer 192 1929-7-30
NEBC: 01042423 Cyperus bipartitus Torrey USA: Massachusetts Leyden: Leyden S. J. Ewer 54240 1928-8-21
NEBC: 01060151 Eriophorum alpinum Linnaeus USA: Maine Mount Katahdin S. J. Ewer 165 1929-7-27
NEBC: 01060283 Eriophorum alpinum Linnaeus USA: Massachusetts West Leyden S. J. Ewer 54235 1928-6-23
NEBC: 01042120 Eriophorum viridicarinatum (Engelmann) Fernald USA: Massachusetts West Leyden S. J. Ewer 54234 1928-6-23
NEBC: 01058160 Fimbristylis autumnalis (Linnaeus) Roemer & Schultes USA: Massachusetts Leyden: Leyden S. J. Ewer 54239d 1928-8-21
NEBC: 00894675 Scirpus atrocinctus Fernald USA: Massachusetts Leyden: Leyden S. J. Ewer 54238d 1928-7-10
GH: 00894857 Scirpus caespitosus Linnaeus USA: Maine Mount Katahdin S. J. Ewer 1928-8-14
GH: 00894890 Scirpus caespitosus Linnaeus USA: New Hampshire Mount Washington S. J. Ewer 1928-8-4
NEBC: 01160618 Scirpus hattorianus Makino USA: Maine Mount Katahdin S. J. Ewer 254 1929-8-6
Dennstaedtiaceae NEBC: 00677930 Dennstaedtia punctilobula (Michaux) T. Moore USA: Maine Mount Katahdin S. J. Ewer 276 1929-8-7
Diapensiaceae GH: 00638449 Diapensia lapponica Linnaeus USA: New Hampshire Mount Adams S. J. Ewer 1928-7-2
Droseraceae NEBC: 00754351 Drosera rotundifolia Linnaeus USA: Maine Mount Katahdin S. J. Ewer 1929-7-23
Equisetaceae NEBC: 00706538 Equisetum sylvaticum Linnaeus USA: Maine Mount Katahdin S. J. Ewer 48 1929-7-23
Ericaceae NEBC: 00985406 Arctous alpina (Linnaeus) Niedenzu USA: Maine Near Saddle Spring, Tableland, Mt. Katahdin S. J. Ewer 28 1929-7-18
GH: 00726209 Empetrum eamesii atropurpureum (Fernald & Wiegand) D. Löve USA: Maine Mount Katahdin S. J. Ewer 1928-8-13
NEBC: 00770046 Empetrum nigrum Linnaeus USA: Maine Mount Katahdin S. J. Ewer 130 1929-7-26
NEBC: 00726310 Harrimanella hypnoides (Linnaeus) Coville USA: Maine Mount Katahdin S. J. Ewer 124 1929-7-25
NEBC: 00484506 Kalmia angustifolia Linnaeus USA: Maine Mt. Katahdin S. J. Ewer 89 1929-7-23
NEBC: 00553907 Monotropa uniflora Linnaeus USA: Massachusetts Leyden: Leyden S. J. Ewer 1928-7-29
GH: 00892308 Phyllodoce caerulea (Linnaeus) Babington USA: Maine Mount Katahdin S. J. Ewer 1928-8-14
NEBC: 00717318 Phyllodoce caerulea (Linnaeus) Babington USA: Maine Mount Katahdin S. J. Ewer 126 1929-7-15
NEBC: 00717407 Pyrola minor Linnaeus USA: Maine Mount Katahdin S. J. Ewer 841 1929-7-23
NEBC: 00714094 Rhododendron lapponicum (Linnaeus) Wahlenberg USA: Maine Mount Katahdin S. J. Ewer 44 1929-7-21
NEBC: 00461438 Vaccinium angustifolium Aiton USA: Maine Mount Katahdin: Mt. Katahdin S. J. Ewer
NEBC: 00461433 Vaccinium angustifolium Aiton USA: Maine Mount Katahdin: Mt. Katahdin S. J. Ewer
NEBC: 00461439 Vaccinium angustifolium Aiton USA: Maine Mount Katahdin: Mt. Katahdin S. J. Ewer
GH: 00714364 Vaccinium uliginosum Linnaeus USA: New Hampshire Mount Washington S. J. Ewer 1928
GH: 00717905 Vaccinium vitis-idaea minus Loddiges USA: Maine Mount Katahdin S. J. Ewer 1928-8-13
NEBC: 00717908 Vaccinium vitis-idaea minus Loddiges USA: Maine Mount Katahdin S. J. Ewer 1929-7-25
NEBC: 00717907 Vaccinium vitis-idaea minus Loddiges USA: Maine Mount Katahdin S. J. Ewer 1929-7-28
Fabaceae NEBC: 00586798 Trifolium repens Linnaeus USA: Maine Mt. Katahdin S. J. Ewer 257 1929-8-6
Iridaceae NEBC: 00869996 Iris versicolor Linnaeus USA: Maine Mount Katahdin S. J. Ewer 174 1929-7-27
Isoetaceae NEBC: 00668068 Isoetes lacustris Linnaeus USA: Maine S. J. Ewer 210 1929-7-30
Juncaceae NEBC: 00860856 Juncus pylaei Laharpe USA: Maine Mount Katahdin S. J. Ewer 252 1929-8-6
NEBC: 00817022 Juncus tenuis Willdenow USA: Maine Mount Katahdin S. J. Ewer 251 1929-8-6
NEBC: 00734031 Juncus trifidus Linnaeus USA: Maine Mount Katahdin S. J. Ewer 14 1929-7-18
GH: 00734053 Juncus trifidus Linnaeus USA: New Hampshire Thompson and Meserves S. J. Ewer 1928-8-2
GH: 00734054 Juncus trifidus Linnaeus USA: New Hampshire Thompson and Meserves S. J. Ewer 1928-8-2
NEBC: 00725773 Luzula confusa Lindeberg USA: Maine Mount Katahdin S. J. Ewer 31 1929-7-18
NEBC: 00865707 Luzula parviflora (Ehrhart) Desvaux USA: Maine Mount Katahdin S. J. Ewer 1929-7-18
GH: 00725709 Luzula spicata Linnaeus USA: New Hampshire Thompson and Meserves S. J. Ewer
Lamiaceae NEBC: 00656249 Galeopsis bifida Boenninghausen USA: Maine Millinocket: Millinocket S. J. Ewer 242 1929-8-4
GH: 00686297 Scutellaria galericulata Linnaeus USA: Massachusetts North Hadley S. J. Ewer 1928-7-16
Liliaceae NEBC: 00560341 Clintonia borealis (Aiton) Rafinesque USA: Maine S. J. Ewer 1929-7-21
NEBC: 00505307 Maianthemum canadense Desfontaines USA: Maine Mt. Katahdin S. J. Ewer
NEBC: 00810042 Streptopus amplexifolius (Linnaeus) de Candolle USA: Maine Mount Katahdin S. J. Ewer 1929-7-18
NEBC: 01030814 Streptopus lanceolatus (Aiton) Reveal USA: Maine Mount Katahdin S. J. Ewer 228 1929-8-1
NEBC: 01044098 Streptopus oreopolus Fernald USA: New Hampshire Mount Katahdin S. J. Ewer 11 1929-7-18
NEBC: 00810392 Trillium undulatum Willdenow USA: Maine Mount Katahdin S. J. Ewer 1929-7-30
Limnanthaceae GH: 01181129 Floerkea proserpinacoides Willdenow USA: Illinois [data not captured] S. J. Ewer 1929-5-1
Lobeliaceae NEBC: 00820816 Lobelia dortmanna Linnaeus USA: Maine Mount Katahdin S. J. Ewer 1929-7-30
Lycopodiaceae NEBC: 00743619 Huperzia josephbeitelii A. Haines USA: Maine Mount Katahdin S. J. Ewer 215 1929-8-1
NEBC: 00743618 Huperzia josephbeitelii A. Haines USA: Maine Mount Katahdin S. J. Ewer 114 1929-7-24
NEBC: 00632336 Spinulum canadense (Nessel) A. Haines USA: Maine Mount Katahdin S. J. Ewer 1929-7-26
Nymphaeaceae NEBC: 00832778 Nuphar microphylla (Persoon) Fernald USA: Maine Mount Katahdin S. J. Ewer 209 1929-7-30
NEBC: 01014249 Nuphar rubrodisca Morong USA: Maine Lake Cowles S. J. Ewer 187 1929-7-30
Onagraceae NEBC: 01072732 Circaea alpina Linnaeus USA: Maine Mount Katahdin S. J. Ewer 53 1929-7-23
NEBC: 00565483 Epilobium anagallidifolium Lamarck USA: Maine Mt. Katahdin S. J. Ewer 101 1929-7-23
NEBC: 01074585 Epilobium ciliatum Rafinesque USA: Maine Mount Katahdin S. J. Ewer 172 1929-7-27
NEBC: 00745580 Epilobium hornemannii Reichenbach USA: Maine Mount Katahdin S. J. Ewer 1929-7-18
NEBC: 00745581 Epilobium hornemannii Reichenbach USA: Maine Mount Katahdin S. J. Ewer 1929-7-23
GH: 00745610 Epilobium hornemannii Reichenbach USA: New Hampshire Mount Washington S. J. Ewer
NEBC: 00568305 Oenothera perennis Linnaeus USA: Maine Mt. Katahdin S. J. Ewer 180 1929-7-27
Orchidaceae NEBC: 01016388 Goodyera tesselata Loddiges USA: Maine Mount Katahdin S. J. Ewer 1929-7-26
NEBC: 01062496 Platanthera dilatata dilatata USA: Maine Mount Katahdin S. J. Ewer 148 1929-7-26
Orobanchaceae GH: 00733453 Castilleja septentrionalis Lindley USA: Maine Mount Katahdin S. J. Ewer 1928-7-14
NEBC: 00733454 Castilleja septentrionalis Lindley USA: Maine Mount Katahdin S. J. Ewer 138 1929-7-26
NEBC: 00630842 Melampyrum lineare Desrousseaux USA: Maine Mount Katahdin S. J. Ewer 1929-7-30
Oxalidaceae NEBC: 00833076 Oxalis montana Rafinesque USA: Maine Mount Katahdin S. J. Ewer 243 1929-8-6
Parnassiaceae NEBC: 01078914 Parnassia glauca Rafinesque USA: Massachusetts Leyden: Leyden S. J. Ewer 54181 1935-9-1
Pinaceae NEBC: 00629408 Pinus strobus Linnaeus USA: Maine Mount Katahdin S. J. Ewer 132 1929-7-26
Plantaginaceae GH: 01999128 Collinsia verna Nuttall USA: Illinois [data not captured] S. J. Ewer 1929-3-20
NEBC: 00617206 Plantago major Linnaeus USA: Maine Mount Katahdin S. J. Ewer
GH: 00775223 Veronica wormskjoldii Roemer & Schultes USA: New Hampshire Mount Washington S. J. Ewer 1928-7-4
GH: 00775224 Veronica wormskjoldii Roemer & Schultes USA: New Hampshire Mount Washington S. J. Ewer 1928-8-4
GH: 00775230 Veronica wormskjoldii Roemer & Schultes USA: New Hampshire Mount Washington S. J. Ewer 1928-8-4
Poaceae NEBC: 01178025 Danthonia spicata (Linnaeus) P. Beauvois ex Roemer & Schultes USA: Maine Mount Katahdin S. J. Ewer 249 1929-8-6
GH: 00860234 Deschampsia flexuosa (Linnaeus) Trinius USA: Maine Mount Katahdin S. J. Ewer 1928-8-14
GH: 00860271 Deschampsia flexuosa (Linnaeus) Trinius USA: Maine Mount Katahdin S. J. Ewer 1928-8-13
NEBC: 00880524 Elymus trachycaulus (Link) Gould ex Shinners USA: Maine Mount Katahdin S. J. Ewer 1929-7-26
NEBC: 00880525 Elymus trachycaulus (Link) Gould ex Shinners USA: Maine Mount Katahdin S. J. Ewer 241 1929-8-4
NEBC: 01148182 Glyceria striata (Lamarck) Hitchcock USA: Maine Mount Katahdin S. J. Ewer 153 1929-7-26
GH: 00728119 Phleum alpinum Linnaeus USA: New Hampshire Mount Washington S. J. Ewer 1928
NEBC: 00583342 Phleum pratense Linnaeus USA: Maine Mt. Katahdin S. J. Ewer 244 1929-8-6
NEBC: 00722955 Poa fernaldiana Nannfeldt USA: Maine Mount Katahdin S. J. Ewer 214 1929-8-1
NEBC: 00722957 Poa fernaldiana Nannfeldt USA: Maine Mount Katahdin S. J. Ewer 118 1929-7-24
NEBC: 00722956 Poa fernaldiana Nannfeldt USA: Maine Mount Katahdin S. J. Ewer 32 1929-7-18
Ranunculaceae NEBC: 00553395 Coptis trifolia (Linnaeus) Salisbury USA: Maine Mt. Katahdin S. J. Ewer
NEBC: 00485528 Ranunculus acris Linnaeus USA: Maine near Chimney Pond S. J. Ewer 259
Rosaceae NEBC: 00661140 Amelanchier bartramiana (Tausch) M. Roemer USA: Maine Mount Katahdin S. J. Ewer 1929-7-23
NEBC: 00661139 Amelanchier bartramiana (Tausch) M. Roemer USA: Maine Mount Katahdin S. J. Ewer 1929-7-30
NEBC: 00561033 Potentilla norvegica Linnaeus USA: Maine Mt. Katahdin S. J. Ewer 1929-7-29
NEBC: 00644618 Potentilla tridentata Aiton USA: Maine Mount Katahdin S. J. Ewer 17 1929-7-18
GH: 00872075 Potentilla tridentata Aiton USA: New Hampshire Mt. Adams, N.H. S. J. Ewer 1928-8-2
NEBC: 00632944 Prunus pensylvanica Linnaeus f. USA: Maine Mount Katahdin S. J. Ewer 1929-7-26
NEBC: 00723878 Rubus pubescens Rafinesque USA: Maine Mount Katahdin S. J. Ewer 115 1929-7-24
NEBC: 00723879 Rubus pubescens Rafinesque USA: Maine Mount Katahdin S. J. Ewer 54 1929-7-23
NEBC: 00723881 Rubus pubescens Rafinesque USA: Maine Mount Katahdin S. J. Ewer 103 1929-7-23
GH: 00703626 Sorbaria sorbifolia (Linnaeus) A. Braun USA: Maine Bath: Bath S. J. Ewer 1928-8-1
NEBC: 00659256 Spiraea latifolia (Aiton) Borkhausen USA: Maine Millinocket: Millinocket S. J. Ewer 261 1929-8-6
Rubiaceae NEBC: 00503538 Galium asprellum Michaux USA: Maine Mt. Katahdin S. J. Ewer 1929-7-23
Salicaceae NEBC: 00750256 Salix arctophila Cockerell ex A. Heller USA: Maine Mount Katahdin S. J. Ewer 94
NEBC: 00684485 Salix argyrocarpa Andersson USA: Maine Mount Katahdin S. J. Ewer 238 1929-8-3
NEBC: 00705402 Salix herbacea Linnaeus USA: Maine Mount Katahdin S. J. Ewer 1929-7-25
NEBC: 00734767 Salix planifolia Pursh USA: Maine Mount Katahdin S. J. Ewer 1929-7-29
NEBC: 00734768 Salix planifolia Pursh USA: Maine Mount Katahdin S. J. Ewer 1929-7-30
NEBC: 00723588 Salix pyrifolia Andersson USA: Maine Mount Katahdin S. J. Ewer 1929-7-22
GH: 00734841 Salix uva-ursi Pursh USA: Maine Mount Katahdin S. J. Ewer 1928-8-13
Saxifragaceae GH: 00750897 Micranthes foliolosa (R. Brown) Gornall USA: Maine Mount Katahdin S. J. Ewer 1928-8-14
NEBC: 00665121 Ribes glandulosum Grauer USA: Maine Mount Katahdin S. J. Ewer 1929-7-26
NEBC: 00665122 Ribes glandulosum Grauer USA: Maine Mount Katahdin S. J. Ewer 1929-7-18
NEBC: 00730839 Ribes lacustre Poiret USA: Maine Mount Katahdin S. J. Ewer 1929-7-23
NEBC: 00750969 Saxifraga paniculata neogaea (Butters) D. Löve USA: Maine Mount Katahdin S. J. Ewer 1929-7-24
Woodsiaceae NEBC: 00695926 Woodsia ilvensis (Linnaeus) R. Brown USA: Maine Mount Katahdin S. J. Ewer 141 1929-7-26
