FH: 00408531  Bryoria fremontii  (Tuckerman) Brodo & D. Hawksworth USA: Montana [data not captured]   S. Watson  1880 
Aceraceae A: 01870846  Acer glabrum  Torrey USA: Idaho Coeur d'Alene Cañon   S. Watson 74 1880-9-21 
 GH: 01870856  Acer glabrum  Torrey USA: Montana Mullom Road, Coeur D'Alene Cañon   S. Watson 74 1880-9-5 
 GH: 01870857  Acer glabrum  Torrey USA: Montana [illegible] Hole W. Montana   S. Watson 74 1880-7-26 
Aizoaceae GH: 00376111  Mesembryanthemum chilense  Molina USA: California Monterey: [No Additional Data]   S. Watson  1880-12 
Amblystegiaceae FH: 00544611  Amblystegium serpens  (Linnaeus) Schimper USA:  [data not captured]   S. Watson  1880 
 FH: 00544612  Amblystegium serpens  (Linnaeus) Schimper USA:  [data not captured]   S. Watson  1880 
 FH: 00544613  Amblystegium serpens  (Linnaeus) Schimper USA: Montana [data not captured]   S. Watson  1880 
 FH: 00544615  Amblystegium serpens  (Linnaeus) Schimper USA:  [data not captured]   S. Watson  1880 
 FH: 00514246  Campylium hispidulum sommerfeltii (Myrin) Lindberg USA:  Milk Ranch   S. Watson  1880 
 FH: 00539289  Conardia compacta  (Müller Halle) H. Robinson USA:  [data not captured]   S. Watson  1880 
 FH: 00795803  Drepanocladus uncinatus  (Hedwig) Warnstorf USA:  [data not captured]   S. Watson  1880 
 FH: 00795805  Drepanocladus uncinatus  (Hedwig) Warnstorf USA: Washington [data not captured]   S. Watson  1880 
 FH: 00795806  Drepanocladus uncinatus  (Hedwig) Warnstorf USA: Washington [data not captured]   S. Watson  1880-9-27 
 FH: 00795807  Drepanocladus uncinatus  (Hedwig) Warnstorf USA: Idaho [data not captured]   S. Watson  1880 
 FH: 00843468  Leptodictyum riparium  (Hedwig) Warnstorf USA:  [data not captured]   S. Watson  1880-7-26 
 FH: 00843469  Leptodictyum riparium  (Hedwig) Warnstorf USA:  [data not captured]   S. Watson  1880-9-17 
 FH: 00843470  Leptodictyum riparium  (Hedwig) Warnstorf USA:  [data not captured]   S. Watson  1880 
Apiaceae GH: 00077324  Lomatium bicolor bicolor  USA: Utah Parley's Peak   S. Watson 467 1880-6 
 GH: 00077324  Peucedanum bicolor  S. Watson USA: Utah Parley's Peak   S. Watson 467 1880-6 
Araceae GH: 01627382  Lysichiton americanum  Hultén & H. St. John USA: Washington Yakima Pass-summit Cascade Mtns.   S. Watson 400 1880-10-20 
Aristolochiaceae GH: 01682351  Asarum caudatum  Lindley USA: Idaho [data not captured]   S. Watson 336 1880-8-23 
Asteraceae GH: 02141292  Agoseris glauca dasycephala (Torr. & A. Gray) Jepson USA: Montana [data not captured]   S. Watson 243 1880-7-26 
 GH: 01234848  Artemisia tridentata  Nuttall USA: Washington Spokane Valley; below the Falls   S. Watson 228 1880-9-23 
 GH: 01234851  Artemisia tridentata  Nuttall USA: Montana Big Blackfoot Valley   S. Watson 228 1880-8-11 
 GH: 00872152  Aster commutatus  (Torrey & A. Gray) A. Gray USA: Montana New Chicago N. Montana   S. Watson 199 1880-8-1 
 GH: 00003754  Aster stenomeres  A. Gray USA: Montana North Western Territories, [Big Hole] Battle...  S. Watson 196 1880-7-24 
 GH: 01923640  Brickellia grandiflora  (Hooker) Nuttall USA: Idaho Orofino Creek   S. Watson 174 1880-8-24 
 GH: 01923639  Brickellia grandiflora  (Hooker) Nuttall USA: Montana Jacko Cañon N.W. Montana   S. Watson 178 1880-8-13 
 GH: 00055878  Chrysopsis villosa discoidea A. Gray USA: Montana Canyon from Ravalli to Bitteroot Valley   S. Watson 141 1880-7-26 
 GH: 02216542  Chrysothamnus viscidiflorus  (Hooker) Nuttall USA: Montana [data not captured]   S. Watson 186 1880-8-11 
 GH: 02020872  Cirsium flodmanii  (Rydberg) Arthur USA: Montana [data not captured]   S. Watson 238 1880-8-11 
 GH: 02021890  Cirsium undulatum  (Nuttall) Sprengel USA:  [data not captured]   S. Watson 238 1880-8-4 
 GH: 02142941  Crepis runcinata  Torrey & A. Gray USA: Montana [data not captured]   S. Watson 240 1880-7-23 
 GH: 02203761  Dieteria canescens incana (Lindley) D. R. Morgan & R. L. Hartman USA: Washington [data not captured]   S. Watson  1880-10-11 
 GH: 02205992  Ericameria nauseosa speciosa (Nuttall) G. L. Nesom & G. I. Baird USA: Montana [data not captured]   S. Watson 145 1880-9-9 
 GH: 02353734  Erigeron linearis  (Hooker) Piper USA: Oregon [data not captured]   S. Watson 207 1880-9-29 
 GH: 02353919  Erigeron lonchophyllus  Hooker USA: Montana [data not captured]   S. Watson 202 1880-7-21 
 GH: 02351544  Erigeron speciosus  de Candolle USA: Montana [data not captured]   S. Watson 203 1880-8-13 
 GH: 02351469  Erigeron speciosus  de Candolle USA: Montana [data not captured]   S. Watson 204 1880-7-26 
 GH: 02587082  Euthamia occidentalis  Nuttall USA: Washington [data not captured]   S. Watson 190 1880-10-10 
 GH: 00008673  Haplopappus integrifolius  A. Gray USA:  Southwest Montana   S. Watson 183 1880-7-21 
 GH: 00055878  Heterotheca villosa minor (Hooker) Semple USA: Montana Canyon from Ravalli to Bitteroot Valley   S. Watson 141 1880-7-26 
 GH: 02204658  Heterotheca villosa minor (Hooker) Semple USA: Montana [data not captured]   S. Watson  1880-8-2 
 GH: 01831233  Hieracium albiflorum  Hooker USA: Montana [data not captured]   S. Watson 241 1880-8-18 
 GH: 01831569  Hieracium cynoglossoides  Arvet-Touvet USA: Montana Missoula: [data not captured]   S. Watson 241a 1880-8-2 
 GH: 00003754  Ionactis stenomeres  (A. Gray) Greene USA: Montana North Western Territories, [Big Hole] Battle...  S. Watson 196 1880-7-24 
 GH: 02593157  Microseris nutans  (Hooker) Schultz Bipontinus USA: Montana Trail Creek [illegible]; W. Montana   S. Watson 239 1880-7-25 
 GH: 00014291  Nabalus sagittata  (A. Gray) Rydberg USA: Montana Jocko Canyon   S. Watson 244 1880-8-13 
 GH: 00014291  Prenanthes alata sagittata A. Gray USA: Montana Jocko Canyon   S. Watson 244 1880-8-13 
 GH: 00014291  Prenanthes sagittata  (A. Gray) A. Nelson USA: Montana Jocko Canyon   S. Watson 244 1880-8-13 
 GH: 00008673  Pyrrocoma integrifolia  (A. Gray) Greene USA:  Southwest Montana   S. Watson 183 1880-7-21 
 GH: 00872152  Symphyotrichum falcatum commutatum (Torrey & A. Gray) G. L. Nesom USA: Montana New Chicago N. Montana   S. Watson 199 1880-8-1 
Aulacomniaceae FH: 00522996  Aulacomnium androgynum  (Hedwig) Schwägrichen USA:  [data not captured]   S. Watson  1880-7-26 
 FH: 00520708  Aulacomnium palustre  (Hedwig) Schwägrichen USA: Montana [data not captured]   S. Watson  1880 
Bartramiaceae FH: 00536235  Anacolia menziesii  (Taylor) Paris USA: Washington Spokane: [data not captured]   S. Watson  1880 
 FH: 00824889  Philonotis fontana  (Hedwig) Bridel USA: Montana [data not captured]   S. Watson  1880 
 FH: 00824892  Philonotis fontana  (Hedwig) Bridel USA: Montana [data not captured]   S. Watson  1880 
 FH: 00824893  Philonotis fontana  (Hedwig) Bridel USA: Montana [data not captured]   S. Watson  1880-8-21 
Boraginaceae GH: 01957974  Cryptantha ambigua  (A. Gray) Greene USA: Montana Cañon from Ross' Hole to Bitterroot Valley   S. Watson 286a 1880-7-26 
 GH: 00095924  Krynitzkia affinis  A. Gray USA: Idaho Beaver Cañon   S. Watson 286 1880-7-13 
Brachytheciaceae FH: 00790308  Brachythecium rivulare  Bruch, Schimper & C. Gümbel USA:  [data not captured]   S. Watson  1880 
 FH: 00625748  Bryhnia stokesii  (Turner) H. Robinson USA: Idaho [data not captured]   S. Watson  1880 
 FH: 00538243  Chamberlainia salebrosa  (Hoffmann ex F. Weber & D. Mohr) H. Robinson USA:  North Western Territories   S. Watson  1880 
 FH: 00797521  Eurhynchium pulchellum  (Hedwig) Jennings USA: Montana [data not captured]   S. Watson  1880 
 FH: 00797522  Eurhynchium pulchellum  (Hedwig) Jennings USA: Washington [data not captured]   S. Watson  1880 
 FH: 00797523  Eurhynchium pulchellum  (Hedwig) Jennings USA:  [data not captured]   S. Watson  1880 
 FH: 00797524  Eurhynchium pulchellum  (Hedwig) Jennings USA: Idaho [data not captured]   S. Watson  1880 
 FH: 00837739  Homalothecium aureum  (Spruce) H. Robinson USA:  [data not captured]   S. Watson  1880 
 FH: 00838044  Homalothecium nuttalii  (Wilson) A. Jaeger USA:  [data not captured]   S. Watson  1880 
Brassicaceae GH: 00946147  Boechera lemmonii  (S. Watson) W. A. Weber USA: Montana Hellgate Cañon near Missoula   S. Watson 30 1880-8-7 
 GH: 00946575  Boechera microphylla macounii (S. Watson) Dorn USA: Idaho Lolo Trail, Snow Camp [?] Ridge above Upper ...  S. Watson 31 1880-8-21 
 GH: 00946576  Boechera microphylla macounii (S. Watson) Dorn USA: Idaho Lolo Trail, Ridge above Clearwater   S. Watson 29 1880-8-21 
 GH: 00986494  Descurainia incisa filipes (A. Gray) Rollins USA: Idaho [data not captured]   S. Watson 34 1880-7-19 
 GH: 00971341  Draba oligosperma  Hooker USA: Montana [data not captured]   S. Watson 33 1880-7-15 
 GH: 00971345  Draba oligosperma  Hooker USA: Montana [data not captured]   S. Watson 33 1880-7-19 
 GH: 00971348  Draba oligosperma  Hooker USA: Montana [data not captured]   S. Watson 33 1880-7-22 
 GH: 00019419  Parrya menziesii lanuginosa S. Watson USA:  Bluffs east side of the Columbia   S. Watson 28 1880-10-14 
Bryaceae FH: 00797826  Bryum angustirete  Kindberg USA: Montana [data not captured]   S. Watson  1880 
 FH: 00798375  Bryum caespiticium  Hedwig USA:  [data not captured]   S. Watson  1880 
 FH: 00798376  Bryum caespiticium  Hedwig USA:  [data not captured]   S. Watson  1880 
 FH: 00798377  Bryum caespiticium  Hedwig USA: Montana [data not captured]   S. Watson  1880 
 FH: 00798645  Bryum capillare  Hedwig USA: California [data not captured]   S. Watson  1880 
 FH: 00798646  Bryum capillare  Hedwig USA: Washington [data not captured]   S. Watson  1880 
 FH: 00798647  Bryum capillare  Hedwig USA: Montana [data not captured]   S. Watson  1880 
 FH: 00799020  Bryum intermedium  (Bridel) Blandow USA:  [data not captured]   S. Watson  1880 
 FH: 00799210  Bryum pallescens  Schleicher ex Schwägrichen USA: Washington [data not captured]   S. Watson  1880 
 FH: 00843113  Leptobryum pyriforme  (Hedwig) Wilson USA: Montana [data not captured]   S. Watson  1880 
 FH: 00843114  Leptobryum pyriforme  (Hedwig) Wilson USA:  [data not captured]   S. Watson  1880 
 FH: 00916199  Pohlia cruda  (Hedwig) Lindberg Canada: British Columbia [data not captured]   S. Watson  1880 
 FH: 00916198  Pohlia cruda  (Hedwig) Lindberg USA: Washington [data not captured]   S. Watson  1880 
 FH: 00916750  Pohlia nutans  (Hedwig) Lindberg USA: Washington [data not captured]   S. Watson  1880 
Campanulaceae GH: 01796502  Campanula rotundifolia  Linnaeus USA: Montana Descent E. Ross' Hole W. Montana   S. Watson 246 1880-7-26 
 GH: 01796900  Downingia elegans  (Douglas ex Lindley) Torrey USA: Idaho Coeur d' Alene Lake   S. Watson 247 1880-9-2 
Caprifoliaceae GH: 00898038  Sambucus melanocarpa  A. Gray USA: Montana Missoula: North Western Territories, Governm...  S. Watson 168 1880-8-2 
 GH: 00898038  Sambucus racemosa  Linnaeus USA: Montana Missoula: North Western Territories, Governm...  S. Watson 168 1880-8-2 
 GH: 00898038  Sambucus racemosa melanocarpa (A. Gray) McMinn USA: Montana Missoula: North Western Territories, Governm...  S. Watson 168 1880-8-2 
Caryophyllaceae GH: 01741026  Arenaria capillaris  Poiret USA: Montana Rock Creek Bitterroot Valley   S. Watson 53 1880-7-27 
 GH: 01741090  Arenaria capillaris americana Maguire USA: Idaho Clearwater: Lolo Trail, Peak above Upper Cle...  S. Watson 53 1880-8-21 
 GH: 01741274  Arenaria congesta  Nuttall USA: Idaho Clearwater: Ridges above upper Clearwater   S. Watson 52 1880-8-21 
 GH: 01742848  Cerastium arvense  Linnaeus USA: Montana Head of Grasshopper Valley S. Montana   S. Watson 49 1880-7-23 
Chenopodiaceae GH: 01781508  Blitum nuttallianum  Schultes USA: Idaho [data not captured]   S. Watson 339 1880-7-13 
 GH: 01782498  Chenopodium fremontii  S. Watson USA: Montana [data not captured]   S. Watson 337 1880-7-26 
 GH: 01782753  Chenopodium pratericola  Rydberg USA: Washington [data not captured]   S. Watson 338 1880-10-12 
Climaciaceae FH: 00538886  Climacium americanum  Bridel USA:  Kettle River [tributary of the Columbia Rive...  S. Watson  1880 
Convolvulaceae GH: 02055403  Calystegia sepium angulata Brummitt USA: Montana Missoula: [no additional data]   S. Watson 293 1880-8-4 
Cornaceae GH: 01844623  Cornus canadensis  Linnaeus USA: Montana Lolo Creek Cañon   S. Watson 165 1880-8-19 
 GH: 02019211  Cornus stolonifera  Michaux USA: Montana Descent to Rosi Hole W. Montana   S. Watson 166 1880-7-26 
 GH: 01539860  Cornus stolonifera  Michaux USA: Montana Hellgate Cañon   S. Watson 166 1880-8-8 
 GH: 02019357  Cornus stolonifera  Michaux USA: Montana Missoula: U.S. Reserve Cañon   S. Watson 167 1880-8-2 
Crassulaceae GH: 00042512  Sedum divergens  S. Watson USA: Washington Yakima Pass, Cascade Mountains   S. Watson 142 1880-10-20 
 GH: 01991529  Sedum lanceolatum  Torrey USA: Montana Trail Creek Prairie   S. Watson  1880-7-25 
 GH: 01990260  Sedum stenopetalum stenopetalum R. T. Clausen USA: Washington Bank of Columbia. Old Fort Colville. [Washin...  S. Watson 140 1880-10-3 
 GH: 01990571  Sedum stenopetalum stenopetalum R. T. Clausen USA: Montana [Descent] of Rose's Hole.   S. Watson  1880-7-26 
Cupressaceae GH: 02106158  Juniperus scopulorum  Sargent USA: Montana [data not captured]   S. Watson 378 1880-8-8 
 A: 02106140  Juniperus scopulorum  Sargent USA: Montana [data not captured]   S. Watson 378 1880-7-19 
 GH: 02106386  Juniperus scopulorum  Sargent USA: Montana [data not captured]   S. Watson 378 1880-7-19 
 GH: 02106384  Juniperus scopulorum  Sargent USA: Washington [data not captured]   S. Watson 378 1880-10-3 
 GH: 02106385  Juniperus scopulorum  Sargent USA: Montana [data not captured]   S. Watson 378 1880-7-15 
 A: 02107471  Thuja plicata  Donn ex D. Don USA: Montana [data not captured]   S. Watson 379 1880-7-29 
 A: 02107458  Thuja plicata  Donn ex D. Don USA: Idaho [data not captured]   S. Watson 379 1880-8-20 
 GH: 02107442  Thuja plicata  Donn ex D. Don USA: Idaho [data not captured]   S. Watson 379 1880-8-20 
 GH: 02107441  Thuja plicata  Donn ex D. Don USA: Montana [data not captured]   S. Watson 379 1880-7-28 
 GH: 02107443  Thuja plicata  Donn ex D. Don USA: Idaho [data not captured]   S. Watson 379 1880-9-21 
 GH: 02107444  Thuja plicata  Donn ex D. Don USA: Montana [data not captured]   S. Watson 379 1880-8-13 
Cyperaceae GH: 02393666  Carex canescens  Linnaeus USA: Montana [data not captured]   S. Watson 435 1880-7-25 
 GH: 02393708  Carex canescens  Linnaeus USA: Montana [data not captured]   S. Watson 436 1880-8-19 
 GH: 02369208  Carex praegracilis  W. Boott USA: Montana [data not captured]   S. Watson 433 1880-7-20 
Dicranaceae FH: 00791839  Dicranum scoparium  Hedwig USA: Idaho [data not captured]   S. Watson  1880 
 FH: 00791843  Dicranum scoparium  Hedwig USA: Montana [data not captured]   S. Watson  1880 
 FH: 00791845  Dicranum scoparium  Hedwig USA: Montana [data not captured]   S. Watson  1880 
 FH: 00791847  Dicranum scoparium  Hedwig USA: Idaho [data not captured]   S. Watson  1880 
 FH: 00791848  Dicranum scoparium  Hedwig USA: Washington [data not captured]   S. Watson  1880 
 FH: 00792068  Dicranum tauricum  Sapjegin USA:  [data not captured]   S. Watson  1880 
 FH: 00792102  Dicranum tauricum  Sapjegin USA:  [data not captured]   S. Watson  1880 
 FH: 00792103  Dicranum tauricum  Sapjegin USA: Washington [data not captured]   S. Watson  1880 
 FH: 00792104  Dicranum tauricum  Sapjegin USA: Montana [data not captured]   S. Watson  1880 
 FH: 00792105  Dicranum tauricum  Sapjegin USA: Montana [data not captured]   S. Watson  1880 
Ditrichaceae FH: 00515136  Ceratodon purpureus  (Hedwig) Bridel USA: Montana [data not captured]   S. Watson  1880 
 FH: 00515137  Ceratodon purpureus  (Hedwig) Bridel USA: Montana [data not captured]   S. Watson  1880 
 FH: 00515351  Ceratodon sp.   USA: Washington [data not captured]   S. Watson  1880 
Encalyptaceae FH: 00796256  Encalypta ciliata  Hedwig USA: Idaho [data not captured]   S. Watson  1880 
 FH: 00796465  Encalypta vulgaris  Hedwig USA: Montana [data not captured]   S. Watson  1880 
 FH: 00796466  Encalypta vulgaris  Hedwig USA: Washington [data not captured]   S. Watson  1880 
Entodontaceae FH: 00850353  Pleurozium schreberi  (Willdenow ex Bridel) Mitten USA: Montana [data not captured]   S. Watson  1880-9-9 
Ericaceae GH: 01562375  Chimaphila umbellata occidentalis (Rydberg) S. F. Blake USA: Montana Missoula: Granite Cañon, near Missoula   S. Watson 256 1880-8-5 
 GH: 01591996  Gaultheria ovatifolia  A. Gray USA: Washington Yakima Pass; Cascade Mts. W. T.   S. Watson 252 1880-10-20 
 GH: 01592228  Gaultheria shallon  Pursh USA: Washington Yakima Pass Cascade Mts. W. T.   S. Watson 251 1880-10-18 
 GH: 01592260  Gaultheria shallon  Pursh USA: California Monterey: [no additional data]   S. Watson  1880-12 
 GH: 01719070  Moneses uniflora  (Linnaeus) A. Gray USA: Montana near [Missoula]   S. Watson  1880-8-5 
 GH: 01719350  Monotropa hypopitys  Linnaeus USA: Washington [Yakima Pass], Cascade Mts., Washington [Pea...  S. Watson  1880-10-19 
 GH: 01719992  Orthilia secunda  (Linnaeus) House USA: Idaho Below [illegible] Divide   S. Watson  1880-8-20 
 GH: 01683168  Phyllodoce empetriformis  (Smith) D. Don USA: Idaho [data not captured]   S. Watson 253 1880-8-21 
 GH: 01684739  Pyrola asarifolia  Michaux USA: Montana [data not captured]   S. Watson 259 1880-7-26 
 GH: 01761113  Pyrola chlorantha  Swartz USA: Montana [data not captured]   S. Watson 2260 1880-7-26 
 GH: 01761956  Pyrola picta  Smith USA: Idaho [data not captured]   S. Watson 258 1880-8-25 
 GH: 01762127  Rhododendron albiflorum  Hooker USA: Idaho [data not captured]   S. Watson 255 1880-8-24 
Fabaceae GH: 01963787  Acmispon nevadensis  (S. Watson) Brouillet USA: Idaho Shore of Lake Coeur d'Alene   S. Watson  1880-9-2 
 GH: 02067500  Astragalus adsurgens robustior Hooker USA: Montana Ridge between Hellgate + Big Blackfoot river...  S. Watson 85 1880-8-10 
 GH: 02047195  Astragalus canadensis mortonii (Nuttall) S. Watson USA: Montana Bitterroot Valley, near Missoula   S. Watson 86 1880-8-4 
 GH: 02047993  Astragalus diversifolius  A. Gray USA: Idaho Beaver Cañon, S. Idaho   S. Watson 92 1880-7-13 
 GH: 02052906  Astragalus microcystis  A. Gray USA: Montana Missoula: Hellgate Cañon   S. Watson 89 1880-8-7 
 GH: 02049096  Astragalus miser serotinus (A. Gray ex J. G. Cooper) Barneby USA: Montana above Terminus S. Montana   S. Watson 88 1880-7-17 
 GH: 02052964  Astragalus miser decumbens (Nuttall) Cronquist USA: Idaho Bearn [?] Cañon, S. Idaho   S. Watson 91 1880-7-13 
 GH: 00058961  Astragalus terminalis  S. Watson USA: Montana Red Rock Creek bottom, near [the then] rail ...  S. Watson 87 1880-7-16 
 GH: 02176178  Lupinus depressus  Rydberg USA: Idaho Lolo Trail. Ridge above Clearwater   S. Watson 80 1880-8-22 
 GH: 02177313  Lupinus minimus  Douglas Canada: Northwest Territories [data not captured]   S. Watson 79 1880-10-3 
 GH: 02342203  Trifolium beckwithii  W. H. Brewer ex S. Watson USA: Montana [data not captured]   S. Watson 83 1880-7-19 
 GH: 02342202  Trifolium beckwithii  W. H. Brewer ex S. Watson USA: Montana [data not captured]   S. Watson 83 1880-7-20 
 GH: 02342201  Trifolium beckwithii  W. H. Brewer ex S. Watson USA: Montana [data not captured]   S. Watson 83 1880-7-21 
 GH: 02342825  Trifolium douglasii  House USA: Idaho [data not captured]   S. Watson 81 1880-8-26 
 GH: 02343464  Trifolium longipes reflexum (A. Nelson) J. M. Gillett USA: Idaho [data not captured]   S. Watson 82 1880-7-13 
 GH: 02345967  Vicia gigantea  Hooker USA: California [data not captured]   S. Watson  1880 
Fissidentaceae FH: 00779228  Fissidens bryoides viridulus (Swartz) Kindberg Canada: Northwest Territories [data not captured]   S. Watson  1880 
Fontinalaceae FH: 00779757  Fontinalis hypnoides  Swartz USA: Washington Okanagan River   S. Watson  1880-10-9 
 FH: 00779856  Fontinalis missourica  Cardot USA: Montana Grasshopper Creek, S. W. Montana   S. Watson  1880 
Funariaceae FH: 00557358  Funaria hygrometrica  Hedwig USA:  [data not captured]   S. Watson  1880 
Gentianaceae GH: 00112713  Frasera albicaulis albicaulis  USA: Montana Battle ground, Big Hole Valley   S. Watson 269 1880-7-24 
 GH: 02069766  Frasera fastigiata  A. Heller USA: Idaho Near the Clearwater   S. Watson 270 1880-8-26 
 GH: 00112713  Swertia watsonii  H. St. John USA: Montana Battle ground, Big Hole Valley   S. Watson 269 1880-7-24 
Georgiaceae FH: 01133056  Tetraphis pellucida  Hedwig USA: Montana [data not captured]   S. Watson  1880 
 FH: 01133058  Tetraphis pellucida  Hedwig USA:  [data not captured]   S. Watson  1880 
 FH: 01133059  Tetraphis pellucida  Hedwig USA:  [data not captured]   S. Watson  1880 
Geraniaceae GH: 01866066  Geranium richardsonii  Fischer & C. A. Meyer USA: Idaho Lolo trail   S. Watson 8 1880-8-25 
Grimmiaceae FH: 00539431  Coscinodon calyptratus  (Drummond) C. E. O. Jensen USA: Montana [data not captured]   S. Watson  1880 
 FH: 00557549  Grimmia donniana  Smith ex Spruce USA: Montana [data not captured]   S. Watson  1880 
 FH: 00557571  Grimmia donniana  Smith ex Spruce USA: Washington [data not captured]   S. Watson  1880-10-17 
 FH: 00545483  Grimmia pulvinata  (Hedwig) Smith USA: Montana [data not captured]   S. Watson  1880 
 FH: 00836604  Hedwigia ciliata  (Hedwig) Boucher USA:  [data not captured]   S. Watson  1880 
 FH: 00623669  Racomitrium canescens  (Hedwig) Bridel USA: Washington [data not captured]   S. Watson  1880-10-20 
 FH: 00623671  Racomitrium canescens  (Hedwig) Bridel USA: Washington [data not captured]   S. Watson  1880-10-20 
 FH: 00902136  Racomitrium heterostichum sudeticum (Funck) E. Bauer USA: Washington Spokane: [data not captured]   S. Watson  1880-9-24 
 FH: 00902398  Racomitrium microcarpum  (Hedwig) Bridel USA: Washington [data not captured]   S. Watson  1880-9-20 
 FH: 00902399  Racomitrium microcarpum  (Hedwig) Bridel USA: Idaho [data not captured]   S. Watson  1880-9-2 
 FH: 00899762  Schistidium apocarpum  (Hedwig) Bruch & Schimper USA:  [data not captured]   S. Watson  1880 
Hylocomiaceae FH: 00839813  Hylocomium splendens  (Hedwig) Schimper USA:  [data not captured]   S. Watson  1880 
Hypnaceae FH: 00842072  Hypnum subimponens  Lesquereux USA:  [data not captured]   S. Watson  1880 
 FH: 00920229  Ptilium crista-castrensis  (Hedwig) De Notaris USA:  [data not captured]   S. Watson  1880 
Iridaceae GH: 01011962  Sisyrinchium occidentale  E. P. Bicknell USA: Montana Head of Grasshopper Valley, S. Montana   S. Watson 406 1880-7-23 
Juncaceae GH: 02102388  Juncus dudleyi  Wiegand USA: Montana [data not captured]   S. Watson 430 1880-8-4 
 GH: 02117418  Luzula glabrata  Desvaux USA: Idaho [data not captured]   S. Watson 431 1880-8-22 
Lamiaceae GH: 01555095  Agastache urticifolia  (Bentham) Kuntze USA: Montana Jacko Cañon    S. Watson 330 1880-8-13 
Lembophyllaceae FH: 00842544  Isothecium cristatum  (Hampe) H. Robinson USA: California [data not captured]   S. Watson  1880 
Lentibulariaceae GH: 01975628  Utricularia macrorhiza  LeConte USA: Montana Big Blackfoot Valley.   S. Watson 327 1880-8-12 
Leucodontaceae FH: 00537791  Antitrichia californica  Sullivant ex Lesquereux USA: California [data not captured]   S. Watson  1880 
 FH: 00537841  Antitrichia californica  Sullivant ex Lesquereux USA: Washington [data not captured]   S. Watson  1880 
 FH: 00537846  Antitrichia californica  Sullivant ex Lesquereux USA: Washington [data not captured]   S. Watson  1880 
 FH: 00919956  Pterogonium gracile duplicato-serratum (Hampe) Lesq. & James USA: California [data not captured]   S. Watson  1880 
Loranthaceae GH: 00274947  Arceuthobium campylopodum  Engelmann USA: Idaho Coeur D'Alene: Spokane Valley near Ft. Coeur...  S. Watson 353 1880-9-2 
 GH: 00274947  Arceuthobium robustum  Engelmann ex A. Gray USA: Idaho Coeur D'Alene: Spokane Valley near Ft. Coeur...  S. Watson 353 1880-9-2 
Mniaceae FH: 00846181  Mnium marginatum  (Dickson ex Withering) P. Beauvois Canada: Northwest Territories [data not captured]   S. Watson  1880 
 FH: 00847843  Plagiomnium affine  (Blandow ex Funck) T. J. Koponen USA:  [data not captured]   S. Watson  1880 
 FH: 00848672  Plagiomnium venustum  (Mitten) T. J. Koponen USA: Washington [data not captured]   S. Watson  1880 
 FH: 00848674  Plagiomnium venustum  (Mitten) T. J. Koponen USA: Idaho [data not captured]   S. Watson  1880 
Myricaceae GH: 00343927  Myrica californica  Chamisso USA: California Monterey   S. Watson  1880-12 
Onagraceae GH: 01672121  Epilobium brachycarpum  C. Presl USA: Idaho [?] of clear water [?]   S. Watson 14 1880-8-27 
 GH: 01776014  Epilobium hornemannii  Reichenbach USA: Idaho Ridge above upper Clearwater   S. Watson 146 1880-8-21 
Orchidaceae GH: 01938407  Corallorhiza maculata occidentalis (Lindley) W. J. Schrenk USA: Montana Lolo Peak   S. Watson 402 1880-8-18 
 GH: 01938455  Corallorhiza mertensiana  Bongard USA: Idaho Lolo Trail, ridge above Clearwater   S. Watson 403 1880-8-24 
 AMES: 02028086  Goodyera oblongifolia  Rafinesque USA: Washington Near Little Falls   S. Watson 404 1880-10-3 
 AMES: 02050386  Platanthera unalascensis  (Sprengel) Kurtz USA: Montana above Missoula   S. Watson 401 1880-8-2 
 AMES: 02050388  Platanthera unalascensis  (Sprengel) Kurtz USA: Montana Lolo Peak   S. Watson 401 1880-8-18 
Orobanchaceae GH: 01879381  Castilleja sulphurea  Rydberg USA: Montana above Bannock, S. Montana   S. Watson 319 1880-7-19 
 GH: 01880093  Cordylanthus ramosus  Nuttall ex Bentham USA: Montana Grasshopper Valley S. Montana   S. Watson 323 1880-7-21 
Orthotrichaceae FH: 00458576  Orthotrichum coulteri  Mitten USA: California Monterey: North Western Territories, Montere...  S. Watson  1880 
 FH: 00458576  Orthotrichum cylindrocarpum  Lesquereux USA: California Monterey: North Western Territories, Montere...  S. Watson  1880 
 FH: 00824053  Orthotrichum laevigatum macounii (Austin) E. Lawton & Vitt Canada: Northwest Territories [data not captured]   S. Watson  1880-8-29 
 FH: 00549970  Orthotrichum lyellii  Hooker & Taylor USA: California Monterey: [no additional data]   S. Watson  1880 
 FH: 00549971  Orthotrichum lyellii  Hooker & Taylor USA: California [data not captured]   S. Watson  1880 
 FH: 00824299  Orthotrichum tenellum  Bruch ex Bridel USA: California [data not captured]   S. Watson  1880 
 FH: 00458576  Orthotrichum tenellum  Bruch ex Bridel USA: California Monterey: North Western Territories, Montere...  S. Watson  1880 
Pannariaceae FH: 00474546  Protopannaria pezizoides  (Weber ex F. H. Wiggers) P. M. Jørgensen & S. Ekman USA: Montana St. Regis [River] Canon [Canyon]   S. Watson  1880-9-20 
 FH: 00475218  Psoroma hypnorum  (Vahl) Gray USA:  Sunday Camp   S. Watson  1880 
Papaveraceae GH: 01738386  Corydalis aurea  Willdenow USA: Montana Cañon from Ross' Hole to Bitterroot Valley   S. Watson 26 1880-7-26 
 GH: 01738605  Corydalis caseana hastata (Rydberg) G. B. Ownbey USA: Idaho Clearwater: Lolo trail, ridge above Clearwat...  S. Watson 27 1880-8-23 
Pinaceae GH: 00395406  Abies amabilis  Douglas ex J. Forbes USA: Washington Yakima Pass. Cascade Mts.; W.T.   S. Watson 382 1880-10-19 
 GH: 00395757  Abies grandis  (Douglas ex D. Don) Lindley USA: Idaho Coeur d'Alene Cañon, Bitterroot Mts.   S. Watson 381 1880-9-21 
 A: 00395760  Abies grandis  (Douglas ex D. Don) Lindley USA: Idaho Lolo Trail, Bitterroot Mts.   S. Watson 381 1880-8-25 
 A: 00395761  Abies grandis  (Douglas ex D. Don) Lindley USA: Idaho Coeur d'Alene Cañon, Bitterroot Mts.   S. Watson 381 1880-9-23 
 GH: 00395771  Abies grandis  (Douglas ex D. Don) Lindley USA: Idaho Lolo Trail, Bitterroot Mts.   S. Watson 381 1880-8-23 
 GH: 00395772  Abies grandis  (Douglas ex D. Don) Lindley USA: Montana Granite Cañon near Missoula N.W. Montana   S. Watson 381 1880-8-5 
 GH: 00395808  Abies grandis  (Douglas ex D. Don) Lindley USA: Washington Peshaston Trail   S. Watson 381 1880-10-16 
 A: 00395896  Abies lasiocarpa  (Hooker) Nuttall USA: Idaho Lolo Trail, Bitterroot Mts.   S. Watson 386 1880-8-20 
 A: 00395897  Abies lasiocarpa  (Hooker) Nuttall USA: Idaho Braun [?] Cañon, Rocky Mts.   S. Watson 386 1880-7-14 
 A: 00395898  Abies lasiocarpa  (Hooker) Nuttall USA: Montana Trail Creek Divide W. Montana   S. Watson 386 1880-7-26 
 GH: 00395901  Abies lasiocarpa  (Hooker) Nuttall USA: Idaho Lolo Trail, Bitterroot Mts.   S. Watson 386 1880-8-23 
 A: 00395921  Abies lasiocarpa  (Hooker) Nuttall USA: Montana Kettle River Cut off 49th Parallel   S. Watson 386 1880-10-6 
 A: 00395922  Abies lasiocarpa  (Hooker) Nuttall USA: Montana St. Regis Cañon Bitterwoods Mts. W, Montana   S. Watson 386 1880-9-8 
 A: 00395925  Abies lasiocarpa  (Hooker) Nuttall USA: Montana Missoula: Granite Cañon near Missoula N.W. ...  S. Watson 386 1880-8-5 
 GH: 00395927  Abies lasiocarpa  (Hooker) Nuttall USA: Montana Kettle River Cut off 49th Parallel   S. Watson 386 1880-10-6 
 GH: 00395928  Abies lasiocarpa  (Hooker) Nuttall USA: Montana Helena (Montana): Granite Cañon near Missou...  S. Watson 386 1880-8-5 
 A: 00395930  Abies lasiocarpa  (Hooker) Nuttall USA: Montana Trail Creek Divide W. Montana   S. Watson 386 1880-7-26 
 A: 00395931  Abies lasiocarpa  (Hooker) Nuttall USA: Idaho Lolo Trails, Bitterroot Mts.   S. Watson 386 1880-8-20 
 A: 00395932  Abies lasiocarpa  (Hooker) Nuttall USA: Idaho Bearn [?] Cañon, Rocky Mts.   S. Watson 386 1880-7-14 
 A: 01093162  Pseudotsuga menziesii  (Mirbel) Franco USA:  [data not captured]   S. Watson 383 1880-10-9 
Plantaginaceae GH: 00466416  Besseya rubra  (Douglas ex Hooker) Rydberg USA: Montana above Missoula   S. Watson 312 1880-8-2 
 GH: 01998740  Collinsia parviflora  Lindley USA: Idaho [data not captured]   S. Watson 294 1880-8-20 
 GH: 01998774  Collinsia parviflora  Lindley USA: Montana [data not captured]   S. Watson 294 1880-7-26 
 GH: 02002288  Penstemon attenuatus  Douglas ex Lindley USA: Idaho [data not captured]   S. Watson 307 1880-8-21 
 GH: 02002280  Penstemon attenuatus  Douglas ex Lindley USA: Idaho [data not captured]   S. Watson 308 1880-8-26 
 GH: 02002332  Penstemon attenuatus  Douglas ex Lindley USA: Montana [data not captured]   S. Watson 303 1880-7-25 
 GH: 02118430  Penstemon confertus  Douglas ex Lindley USA: Idaho [data not captured]   S. Watson 301 1880-9-6 
 GH: 02118766  Penstemon davidsonii menziesii (D. D. Keck) Cronquist USA: Washington [data not captured]   S. Watson 296 1880-10-20 
 GH: 02118866  Penstemon deustus  Douglas USA: Montana [data not captured]   S. Watson 305 1880-7-26 
 GH: 02119170  Penstemon diphyllus  Rydberg USA: Montana [data not captured]   S. Watson 306 1880-8-9 
 GH: 02119631  Penstemon fruticosus scouleri (Lindley) Cronquist USA: Montana [data not captured]   S. Watson 297 1880-7-15 
 GH: 02119630  Penstemon fruticosus scouleri (Lindley) Cronquist USA: Washington [data not captured]   S. Watson 297 1880-10-25 
 GH: 02121016  Penstemon lyallii  (A. Gray) A. Gray USA: Montana [data not captured]   S. Watson 298 1880-9-9 
 GH: 02121819  Penstemon procerus  Douglas ex Graham USA: Montana [data not captured]   S. Watson 302 1880-8-4 
 GH: 02121899  Penstemon procerus  Douglas ex Graham USA: Idaho [data not captured]   S. Watson 302 1880-8-25 
 GH: 02122066  Penstemon radicosus  A. Nelson USA: Montana [data not captured]   S. Watson 299 1880-7-15 
 GH: 02122167  Penstemon richardsonii  Douglas ex Lindley USA: Washington [data not captured]   S. Watson 300 1880-10-3 
 GH: 02122168  Penstemon richardsonii  Douglas ex Lindley USA: Washington [data not captured]   S. Watson 300 1880-10-12 
 GH: 02122169  Penstemon richardsonii  Douglas ex Lindley USA: Washington [data not captured]   S. Watson 300 1880-10-13 
 GH: 01801556  Penstemon wilcoxii  Rydberg USA: Montana [data not captured]   S. Watson 304 1880-7-26 
 GH: 01802857  Plantago major  Linnaeus USA: Montana Missoula: [data not captured]   S. Watson 335 1880-8-2 
 GH: 01804532  Synthyris missurica  (Rafinesque) Pennell USA: Idaho [data not captured]   S. Watson 313 1880-8-21 
 GH: 01805074  Veronica americana  Schweinitz ex Bentham USA: Idaho [data not captured]   S. Watson 318 1880-8-26 
 GH: 01811587  Veronica scutellata  Linnaeus USA: Montana [data not captured]   S. Watson 316 1880-8-19 
 GH: 01811946  Veronica serpyllifolia humifusa (Dickson) Syme USA: Idaho [data not captured]   S. Watson 317 1880-8-20 
 GH: 01812547  Veronica wormskjoldii nutans (Bongard) Pennell USA: Montana [data not captured]   S. Watson 315 1880-7-25 
Polemoniaceae GH: 00993184  Collomia debilis camporum Payson USA: Montana Jocko Lake N. W. Montana   S. Watson 277 1880-8-13 
 GH: 01694728  Polemonium pulcherrimum  Hooker USA: Montana Jocko Cañon   S. Watson 279 1880-8-13 
Polygonaceae GH: 02346261  Aconogonon phytolaccifolium  (Meisner ex Small) Rydberg USA: Idaho [data not captured]   S. Watson 343 1880-8-21 
 GH: 00036375  Eriogonum compositum leianthum Hooker USA: Washington Bank of the Columbia River, opposite the Wen...  S. Watson 351 1880-10-14 
 GH: 01652588  Eriogonum flavum piperi (Greene) M. E. Jones USA: Idaho Ridge above Clearwater   S. Watson  1880-8-21 
 GH: 00036375  Eriogonum heracleoides simplex S. Watson ex Piper USA: Washington Bank of the Columbia River, opposite the Wen...  S. Watson 351 1880-10-14 
 GH: 01851833  Eriogonum mancum  Rydberg USA: Idaho Ridge above [?]   S. Watson 352 1880-7-19 
 GH: 01986193  Eriogonum niveum  Douglas ex Bentham USA: Idaho Spokane Fall   S. Watson 349 1880-9-24 
 GH: 02043030  Eriogonum thymoides  Bentham USA: Washington [data not captured]   S. Watson 348 1880-10-17 
 GH: 02043925  Eriogonum umbellatum subaridum S. Stokes USA: Montana [data not captured]   S. Watson 346 1880-7 
 GH: 02365416  Fallopia convolvulus  (Linnaeus) Á. Löve USA: Montana [data not captured]   S. Watson 344 1880-8-4 
 GH: 02364803  Persicaria coccinea  (Muhlenberg ex Willdenow) Greene USA: Montana [data not captured]   S. Watson 342 1880-8-4 
 GH: 02007230  Polygonum polygaloides confertiflorum (Nuttall ex Piper) J. C. Hickman USA: Washington [data not captured]   S. Watson 341 1880-9-1 
Polytrichaceae FH: 00522875  Atrichum undulatum  (Hedwig) P. Beauvois USA:  [data not captured]   S. Watson  1880-10-6 
 FH: 00918659  Polytrichum juniperinum  Hedwig USA:  [data not captured]   S. Watson  1880 
 FH: 00919304  Polytrichum piliferum  Hedwig USA: Idaho [data not captured]   S. Watson  1880 
Portulacaceae GH: 00012250  Claytonia cordifolia  S. Watson USA: Montana Granite Canyon near Missoula   S. Watson 61 1880-8-5 
Pottiaceae FH: 00516556  Barbula vinealis  Bridel USA: California Monterey: [no additional data]   S. Watson  1880 
 FH: 00623199  Bryoerythrophyllum recurvirostrum  (Hedwig) P. C. Chen USA: California [data not captured]   S. Watson  1880 
 FH: 01135617  Tortula princeps  De Notaris USA: California [data not captured]   S. Watson  1880 
 FH: 01135906  Tortula ruralis  (Hedwig) G. Gaertner, B. Meyer & Scherbius USA: Montana [data not captured]   S. Watson  1880-7-15 
 FH: 01136003  Tortula ruralis  (Hedwig) G. Gaertner, B. Meyer & Scherbius USA: Washington [data not captured]   S. Watson  1880-9-24 
 FH: 01136006  Tortula ruralis  (Hedwig) G. Gaertner, B. Meyer & Scherbius USA:  [data not captured]   S. Watson  1880 
 FH: 01136007  Tortula ruralis  (Hedwig) G. Gaertner, B. Meyer & Scherbius USA:  [data not captured]   S. Watson  1880 
Primulaceae GH: 01942165  Androsace filiformis  Retzius USA: Montana Trail Creek Prairie W. Montana   S. Watson 262 1880-7-25 
 GH: 00073395  Douglasia dentata  S. Watson USA: Washington Ridge above Peshaston Canyon, Cascade Mounta...  S. Watson 264 1880-10-16 
 GH: 00073395  Douglasia nivalis  Lindley USA: Washington Ridge above Peshaston Canyon, Cascade Mounta...  S. Watson 264 1880-10-16 
Pterobryaceae FH: 00847208  Neckeradelphus menziesii  (Drummond) Steere USA:  [data not captured]   S. Watson  1880 
 FH: 00847209  Neckeradelphus menziesii  (Drummond) Steere USA:  [data not captured]   S. Watson  1880 
 FH: 00847211  Neckeradelphus menziesii  (Drummond) Steere USA:  [data not captured]   S. Watson  1880 
Ranunculaceae GH: 01720554  Aconitum divaricatum  Finet & Gagnepain USA: Montana Lolo Peak   S. Watson  1880-8-18 
 GH: 01720555  Aconitum divaricatum  Finet & Gagnepain USA: Montana Lolo Creek Cañon   S. Watson 22 1880-8-19 
 GH: 01706084  Actaea rubra  (Aiton) Willdenow USA: Montana Missoula: Government Cañon   S. Watson 23 1880-8-2 
 GH: 01707341  Anemone multifida  Poiret USA: Montana Ridge above Hellgate River   S. Watson 4 1880-8-10 
 GH: 01707342  Anemone multifida  Poiret USA: Montana Shinbergen's Cañon, S. Montana   S. Watson 4 1880-7-15 
 GH: 01708188  Anemone piperi  Britton ex Rydberg USA: Idaho Lolo Trail   S. Watson  1880-8-21 
 GH: 01708988  Aquilegia coerulea  James USA: Montana Peak above Terminus S. Montana   S. Watson 19 1880-7-17 
 GH: 01709454  Aquilegia flavescens  S. Watson USA: Idaho above the Upper Clearwater, Lolo Trail   S. Watson 20 1880-8-20 
 GH: 01710998  Clematis columbiana  (Nuttall) Torrey & A. Gray USA: Montana Descent to Ross' Hole   S. Watson 3 1880-7-26 
 GH: 01657896  Coptis occidentalis  (Nuttall) Torrey & A. Gray USA: Idaho Lolo Trail - ridge above Clearwater   S. Watson 18 1880-8-24 
 GH: 01658458  Delphinium burkei  Greene USA: Montana Near Bannock City S. Montana   S. Watson 21 1880-7-19 
 GH: 01658459  Delphinium burkei  Greene USA: Montana Grasshopper Valley above Bannock, S. Montana   S. Watson 21 1880-7-21 
 GH: 00263680  Ranunculus gmelinii  de Candolle USA: Montana Canyon from Ross' Hole to Bitterroot Valley   S. Watson 15 1880-7-26 
 GH: 00263680  Ranunculus gmelinii hookeri (D. Don) L. D. Benson USA: Montana Canyon from Ross' Hole to Bitterroot Valley   S. Watson 15 1880-7-26 
 GH: 00263680  Ranunculus multifidus  Pursh USA: Montana Canyon from Ross' Hole to Bitterroot Valley   S. Watson 15 1880-7-26 
Rhamnaceae GH: 01790119  Ceanothus sanguineus  Pursh USA: Idaho Clearwater: Ridge above Clearwater   S. Watson 72 1880-8-25 
 A: 01972207  Frangula purshiana  (de Candolle) A. Gray USA: Idaho Coeur D'Alene: Coeur d'Alene    S. Watson 71 1880-9-5 
Rosaceae GH: 01587263  Cercocarpus ledifolius intercedens C. K. Schneider USA: Montana Cañon from Ross' Hole to Bitterroot Valley,...  S. Watson 108 1880-7-26 
 GH: 01612558  Crataegus douglasii  Lindley USA: Montana Bitterroot Valley   S. Watson  1880-6-30 
 GH: 01612559  Crataegus douglasii  Lindley USA: Montana Rocky Mountains; near divide, W. Montana. Mo...  S. Watson  1880-6-26 
 GH: 01608457  Drymocallis glabrata  Rydberg USA: Idaho Ridge above upper Clearwater   S. Watson 113 1880-8-20 
 GH: 01686656  Fragaria virginiana glauca (S. Watson) Staudt USA: Montana Grasshoper Valley to [?] S. Montana   S. Watson 111 1880-7-21 
 GH: 00019759  Potentilla rhomboidea  Rydberg USA: Montana Ridge above Bannock, 7000 feet   S. Watson 114 1880-7-19 
 GH: 00032593  Rosa macdougalii  Holzinger USA: Montana Rock Creek   S. Watson 124 1880-7-27 
 GH: 00032593  Rosa nutkana hispida Fernald USA: Montana Rock Creek   S. Watson 124 1880-7-27 
Saxifragaceae GH: 01733413  Boykinia major  A. Gray USA: Idaho North of Forestry   S. Watson 132 1880-8-22 
 GH: 01733415  Boykinia major  A. Gray USA: Montana Lolo Creek Cañon   S. Watson 132 1880-8-19 
 GH: 00042865  Mitella micrantha  Piper USA: Washington Fort Colville   S. Watson 135 1880-9-29 
Sphagnaceae FH: 00924746  Sphagnum recurvum tenue H. Klinggräff USA: Washington [data not captured]   S. Watson  1880 
 FH: 00921456  Sphagnum sp.   USA:  [data not captured]   S. Watson  1880 
 FH: 00925318  Sphagnum squarrosum  Crome USA: Washington [data not captured]   S. Watson  1880 
 FH: 00925582  Sphagnum subsecundum  Nees USA: Washington [data not captured]   S. Watson  1880 
Thuidiaceae FH: 00538504  Claopodium crispifolium  (Hooker) Renauld & Cardot USA: Idaho 4th of July Cañon   S. Watson  1880 
Timmiaceae FH: 01134576  Timmia austriaca  Hedwig USA:  [data not captured]   S. Watson  1880 
 FH: 01134675  Timmia megapolitana  Hedwig USA:  [data not captured]   S. Watson  1880-8-19 
 FH: 01134676  Timmia megapolitana  Hedwig USA:  [data not captured]   S. Watson  1880 
Urticaceae GH: 02171358  Urtica dioica gracilis (Aiton) Selander USA: Montana [data not captured]   S. Watson 357 1880-7-21