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FH: 00388271 Alectoria ochroleuca (Hoffmann) A. Massalongo Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00453083 Lobaria hallii (Tuckerman) Zahlbruckner USA: Alaska [data not captured] L. A. Viereck 3206 1958-7
FH: 00454807 Nephroma arcticum (Linnaeus) Torssell Canada: [data not captured] L. A. Viereck 1955-8-1
FH: 00454844 Nephroma arcticum (Linnaeus) Torssell USA: Alaska [data not captured] L. A. Viereck 1962-9-22
FH: 00455088 Nephroma resupinatum rameum Schaerer USA: Alaska [data not captured] L. A. Viereck 7830 1965-9-8
FH: 00469291 Peltigera aphthosa (Linnaeus) Willdenow Canada: [data not captured] L. A. Viereck 1955-8-8
FH: 00469297 Peltigera aphthosa (Linnaeus) Willdenow Canada: [data not captured] L. A. Viereck 1955-7-22
FH: 00470172 Peltigera polydactyla (Necker) Hoffmann USA: Alaska [data not captured] L. A. Viereck 7831 1965-9-8
FH: 00473848 Platismatia glauca (Linnaeus) W. L. Culberson & C. F. Culberson Canada: [data not captured] L. A. Viereck 1955-8-12
FH: 00492699 Umbilicaria hyperborea (Acharius) Hoffmann Canada: [data not captured] L. A. Viereck 1955-8-1
FH: 00493083 Umbilicaria proboscidea (Linnaeus) Schrader Canada: [data not captured] L. A. Viereck 1955-7-31
FH: 00455869 Umbilicaria virginis Schaerer USA: Alaska [data not captured] L. A. Viereck 1265 1956-7-11
Amblystegiaceae
FH: 00800566 Calliergon sarmentosum (Wahlenberg) Kindberg Canada: [data not captured] L. A. Viereck 1955-8-4
Aulacomniaceae
FH: 00520834 Aulacomnium turgidum (Wahlenberg) Schwägrichen Canada: [data not captured] L. A. Viereck 1955-8-10
Betulaceae
GH: 02196090 Alnus viridis crispa (Aiton) Turrill USA: Alaska Denali: Vicinity of Wonder Lake L. A. Viereck 1629 1956-8-1
GH: 02196089 Alnus viridis crispa (Aiton) Turrill USA: Alaska Vicinity of Lake Chelatna L. A. Viereck 1956-6-21
Brachytheciaceae
FH: 00787699 Brachythecium groelandicum (C. E. O. Jensen) Schljakov Canada: [data not captured] L. A. Viereck 1955-8-2
Brassicaceae
GH: 00992871 Arabidopsis lyrata kamchatica (Fischer ex de Candolle) O'Kane & Al-Shehbaz USA: Alaska North slope of the Windy Creek valley, about... L. A. Viereck 1806 1956-8-20
GH: 00974279 Arabis eschscholtziana Andrzejowski ex Ledebour USA: Alaska Vicinity of the McKinley Park R. R. Station ... L. A. Viereck 1956-8-6
GH: 00983976 Cardamine oligosperma kamtschatica (Regel) Detling USA: Alaska N. W. slope of summit of Mt. Eielson (Copper... L. A. Viereck 1554 1956-7-26
GH: 00999747 Cardamine pratensis Linnaeus USA: Alaska along the Park highway between mile 70 and 8... L. A. Viereck 1697 1956-8-3
GH: 00999881 Cardamine purpurea Chamisso & Schlechtendal USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1133 1956-7-8
Campanulaceae
GH: 01795594 Campanula lasiocarpa Chamisso USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1207a. 1956-7-10
Caryophyllaceae
GH: 01743277 Cerastium beeringianum Chamisso & Schlechtendal USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1416 1956-7-20
GH: 00293228 Stellaria alaskana Hultén USA: Alaska L. A. Viereck 1192 1956-7-10
GH: 00293224 Stellaria dicranoides (Chamisso & Schlechtendal) Fenzl USA: Alaska L. A. Viereck 1194 1956-7-10
Catoscopiaceae
FH: 00514762 Catoscopium nigritum (Hedwig) Bridel USA: Alaska [data not captured] L. A. Viereck 1956-8
Cladoniaceae
FH: 00413880 Cladonia amaurocraea (Flörke) Schaerer Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00413946 Cladonia amaurocraea (Flörke) Schaerer Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00413947 Cladonia amaurocraea (Flörke) Schaerer Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00413948 Cladonia amaurocraea (Flörke) Schaerer Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00413983 Cladonia amaurocraea oxyceras (Acharius) Vainio Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00411238 Cladonia confusa R. Santesson USA: Alaska [data not captured] L. A. Viereck 5633 1962
FH: 00428024 Cladonia gracilis chordalis (Flörke) Schaerer Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00428025 Cladonia gracilis chordalis (Flörke) Schaerer Canada: Quebec Province [data not captured] L. A. Viereck S6442 1955
FH: 00428409 Cladonia gracilis elongata (Wulfen) Flörke USA: Alaska [data not captured] L. A. Viereck 1956-6
FH: 00428987 Cladonia macrophylla (Schaerer) Stenhammar Canada: Quebec Province [data not captured] L. A. Viereck 1955-8-12
FH: 00370145 Cladonia mitis Sandstede Canada: Quebec Province [data not captured] L. A. Viereck S6452 1955
FH: 00440501 Cladonia pleurota (Flörke) Schaerer Canada: Quebec Province [data not captured] L. A. Viereck 1955-7-25
FH: 00391058 Cladonia stricta (Nylander) Nylander Canada: Quebec Province [data not captured] L. A. Viereck 1955-8-2
FH: 00391974 Cladonia turgida Ehrhart ex Hoffmann Canada: Quebec Province [data not captured] L. A. Viereck 1955-8-1
FH: 00407060 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers Canada: Quebec Province [data not captured] L. A. Viereck 1955-7-25
FH: 00407061 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers Canada: Quebec Province [data not captured] L. A. Viereck 1955-7-20
FH: 00407062 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers Canada: Quebec Province [data not captured] L. A. Viereck 1955-7-28
Crassulaceae
GH: 01990060 Rhodiola integrifolia Rafinesque USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1956-7-12
GH: 01990067 Rhodiola integrifolia Rafinesque USA: Alaska Vicinity of Lake Chelatna L. A. Viereck 1021 1956-6-21
GH: 01990060 Sedum rosea integrifolium (Rafinesque) Hultén USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1956-7-12
GH: 01990067 Sedum rosea integrifolium (Rafinesque) Hultén USA: Alaska Vicinity of Lake Chelatna L. A. Viereck 1021 1956-6-21
Dicranaceae
FH: 00542415 Dicranum fuscescens Hornschuch Canada: [data not captured] L. A. Viereck 1955-7-25
Droseraceae
GH: 01145137 Drosera rotundifolia Linnaeus USA: Alaska Vicinity of Wonder Lake. L. A. Viereck 1633 1956-8-1
Entodontaceae
FH: 00796771 Entodon concinnus (De Notaris) Paris USA: Alaska [data not captured] L. A. Viereck 1956-7-10
FH: 00850405 Pleurozium schreberi (Willdenow ex Bridel) Mitten USA: Alaska [data not captured] L. A. Viereck 1956-6-12
Ericaceae
GH: 01116992 Andromeda polifolia Linnaeus USA: Alaska Mt. McKinley Nat. Park; River bar on the nor... L. A. Viereck 1612 1956-7-30
GH: 01117009 Andromeda polifolia Linnaeus USA: Alaska McKinley Nat. Park; N.W. slope to summit of ... L. A. Viereck 1130 1956-7-8
GH: 01536302 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Alaska Mt. McKinley Nat. Park; River bar on the nor... L. A. Viereck 1731 1956-8-5
GH: 01537483 Cassiope tetragona (Linnaeus) D. Don USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1127 1956-7-8
GH: 01537905 Chamaedaphne calyculata (Linnaeus) Moench USA: Alaska Vicinity of Wonder Lake L. A. Viereck 1956-7-29
GH: 01591069 Empetrum nigrum Linnaeus USA: Alaska Mt. McKinley Nat. Park; N.W. slope to summit... L. A. Viereck 1484 1956-7-24
GH: 01593357 Harrimanella stelleriana (Pallas) Coville USA: Alaska Mt. McKinley Nat. Park. N. W. slope to summi... L. A. Viereck 1464 1956-7-23
GH: 01593360 Harrimanella stelleriana (Pallas) Coville USA: Alaska Vicinity of Lake Chelatna L. A. Viereck 1019 1956-7-22
GH: 01595294 Loiseleuria procumbens (Linnaeus) Desvaux USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1956-7-8
GH: 01719126 Moneses uniflora (Linnaeus) A. Gray USA: Alaska River bar on the north side of the McKinley ... L. A. Viereck 1956-8-9
GH: 01719967 Orthilia secunda (Linnaeus) House USA: Alaska River bar on the north side of the McKinley ... L. A. Viereck 1956-8-9
Fabaceae
GH: 02064025 Astragalus alpinus Linnaeus USA: Alaska above the Thoroughfare River L. A. Viereck 1091A 1956-7-4
GH: 02064066 Astragalus alpinus Linnaeus USA: Alaska Gravel bars of the Thorofare River and Glaci... L. A. Viereck 1956-7-20
GH: 02044325 Astragalus eucosmus B. L. Robinson USA: Alaska Vicinity of the McKinley Park R. R. Station ... L. A. Viereck 1956-8-6
GH: 02049736 Astragalus nutzotinensis J. Rousseau USA: Alaska Gravel bars of the Thorofare River and Glaci... L. A. Viereck 1956-7-4
GH: 02048055 Astragalus polaris Bentham USA: Alaska Junction of the Muldrow Glacier and the glac... L. A. Viereck 1956-7-17
GH: 02030191 Astragalus umbellatus Bunge USA: Alaska River bar on the north side of the McKinley ... L. A. Viereck 1621 1956-7-30
Grimmiaceae
FH: 00487652 Grimmia affinis Hornschuch Canada: British Columbia dnc L. A. Viereck 1891-8-6
FH: 00487653 Grimmia affinis Hornschuch Canada: British Columbia dnc L. A. Viereck 1891-8-6
FH: 00487651 Grimmia affinis Hornschuch USA: Alaska dnc L. A. Viereck 1185 1956-7-10
FH: 00902046 Racomitrium heterostichum ramulosum (Lindberg) Corbière Canada: Quebec Province [data not captured] L. A. Viereck 1955-7-28
FH: 00902218 Racomitrium lanuginosum (Hedwig) Bridel Canada: Quebec Province [data not captured] L. A. Viereck 1955-7-20
FH: 00899832 Schistidium apocarpum (Hedwig) Bruch & Schimper USA: Alaska [data not captured] L. A. Viereck 1956-7-10
FH: 00885062 Schistidium rivulare latifolium (J. E. Zetterstedt) B. Bremer USA: Alaska [data not captured] L. A. Viereck 1956-7-11
Hylocomiaceae
FH: 00839538 Hylocomium splendens (Hedwig) Schimper Canada: [data not captured] L. A. Viereck 1955-7-28
Icmadophilaceae
FH: 00491115 Thamnolia vermicularis (Swartz) Schaerer USA: Alaska [data not captured] L. A. Viereck 7971 1966-6-23
FH: 00491116 Thamnolia vermicularis (Swartz) Schaerer USA: Alaska [data not captured] L. A. Viereck 7971 1966-6-23
Onagraceae
GH: 01675977 Chamerion latifolium (Linnaeus) Holub USA: Alaska Moraine of the Muldrow Glacier adjacent to t... L. A. Viereck 1085 1956-7-4
Orchidaceae
GH: 01937994 Cypripedium parviflorum Salisbury Canada: British Columbia on the east side of Muncho Lake, Alaska High... L. A. Viereck 1001 1956-6-13
GH: 02046484 Platanthera obtusata (Banks ex Pursh) Lindley USA: Alaska Mt. McKinley Nat. Park. River bar on the nor... L. A. Viereck 1766 1956-8-9
Orobanchaceae
GH: 02033492 Boschniakia rossica (Chamisso & D. F. K. Schlechtendal) B. Fedtschenko USA: Alaska Vicinity of Wonder Lake L. A. Viereck 1654 1956-8-2
GH: 01878534 Castilleja pallida mexiae Pennell USA: Alaska Junction of the Muldrow Glacier and the glac... L. A. Viereck 1956-7-17
Parmeliaceae
FH: 00418054 Arctocetraria andrejevii (Oxner) Kärnefelt & A. Thell Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00418085 Arctoparmelia centrifuga (Linnaeus) Hale Canada: Quebec Province [data not captured] L. A. Viereck 1955
FH: 00408414 Bryocaulon divergens (Acharius) Kärnefelt Canada: Newfoundland & Labrador [data not captured] L. A. Viereck 1955
FH: 00413322 Cetrariella delisei (Bory ex Schaerer) Kärnefelt & A. Thell Canada: Newfoundland & Labrador [data not captured] L. A. Viereck 1955
FH: 00413323 Cetrariella delisei (Bory ex Schaerer) Kärnefelt & A. Thell Canada: Newfoundland & Labrador [data not captured] L. A. Viereck 1955
FH: 00439668 Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell Canada: Quebec Province [data not captured] L. A. Viereck 1955-8-8
FH: 00439620 Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell USA: Alaska [data not captured] L. A. Viereck 5642 1962-6-13
FH: 00468676 Parmelia sulcata Taylor Canada: [data not captured] L. A. Viereck 1955-7-31
FH: 00405803 Vulpicida tilesii (Acharius) Mattsson & M. J. Lai USA: Alaska [data not captured] L. A. Viereck 7970 1966
FH: 00405804 Vulpicida tilesii (Acharius) Mattsson & M. J. Lai USA: Alaska [data not captured] L. A. Viereck 7970 1966
Peltigeraceae
FH: 00478825 Solorina crocea (Linnaeus) Acharius Canada: [data not captured] L. A. Viereck 1955-7-20
Polygonaceae
GH: 00351819 Oxyria digyna (Linnaeus) Hill USA: Alaska Mt. Eielson (Copper Mt.) L. A. Viereck 1542
Polytrichaceae
FH: 00825096 Oligotrichum aligerum Mitten USA: Alaska [data not captured] L. A. Viereck 1956-6-21
FH: 00918374 Polytrichum juniperinum Hedwig Canada: [data not captured] L. A. Viereck 1955-7-24
Portulacaceae
GH: 01858453 Claytonia acutifolia Pallas ex Willdenow USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1410 1956-7-20
GH: 01859195 Claytonia sarmentosa C. A. Meyer USA: Alaska along the Park highway between mile 70 and 8... L. A. Viereck 1110 1956-7-5
Primulaceae
GH: 01942129 Androsace chamaejasme lehmanniana (Sprengel) Hultén USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1956-7-11
Ptilidiaceae
FH: 00509427 Ptilidium ciliare (Linnaeus) Hampe Canada: [data not captured] L. A. Viereck 1955-7-26
Ranunculaceae
GH: 01720475 Aconitum delphinifolium de Candolle USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1956-7-15
GH: 01707490 Anemone narcissiflora monantha de Candolle USA: Alaska Vicinity of Lake Chelatna L. A. Viereck 1018 1956-6-21
GH: 01707948 Anemone parviflora Michaux USA: Alaska Moraine of the Muldrow Glacier adjacent to t... L. A. Viereck 1956-7-4
GH: 01708443 Anemone richardsonii Hooker USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1956-7-23
Saxifragaceae
GH: 01733477 Boykinia richardsonii (Hooker) Rothrock USA: Alaska N. W. slope to summit Mt. Eielson (Copper Mt... L. A. Viereck 1230 1956-7-11
GH: 01733695 Chrysosplenium tetrandrum Th. Fries USA: Alaska N. W. slope to summit of Mt. Eielson (Copper... L. A. Viereck 1552 1956-7-26
Sphaerophoraceae
FH: 00479030 Sphaerophorus globosus (Hudson) Vainio Canada: [data not captured] L. A. Viereck 1955-7-31
Sphagnaceae
FH: 00922256 Sphagnum fimbriatum Wilson USA: Alaska [data not captured] L. A. Viereck 1956-8-11
Stereocaulaceae
FH: 00479413 Stereocaulon arenarium (Savicz) I. M. Lamb USA: Alaska [data not captured] L. A. Viereck 1961-7-24
FH: 00479718 Stereocaulon paschale (Linnaeus) Hoffmann Canada: [data not captured] L. A. Viereck 1955-7-24
FH: 00479723 Stereocaulon paschale (Linnaeus) Hoffmann Canada: [data not captured] L. A. Viereck 1955-7-24
FH: 00480021 Stereocaulon rivulorum H. Magnusson USA: Alaska [data not captured] L. A. Viereck
FH: 00480465 Stereocaulon tomentosum alpestre Flotow USA: Alaska [data not captured] L. A. Viereck 1961-7-23
FH: 00480475 Stereocaulon vesuvianum nodulosum (Wallroth) I. M. Lamb USA: Alaska [data not captured] L. A. Viereck 5273A 1961-8-7
Thelypteridaceae
GH: 00954859 Phegopteris connectilis (Michaux) Watt USA: Alaska [data not captured] L. A. Viereck 1665 1956-8-2
Umbilicariaceae
FH: 00455869 Omphalodiscus virginis (Schrader) Scholander USA: Alaska [data not captured] L. A. Viereck 1265 1956-7-11