FH: 00259887 Alectoria capillaris (Acharius) Crombie USA: Montana Rocky Mountains, Glacier National Park, Ptar... H. A. Imshaug 6038 1950-6-26
FH: 00259887 Alectoria implexa (Hoffmann) Nylander USA: Montana Rocky Mountains, Glacier National Park, Ptar... H. A. Imshaug 6038 1950-6-26
FH: 00259902 Alectoria lanestris (Acharius) Gyelnik Canada: Alberta Waterton Lakes National Park, Rocky Mountain... H. A. Imshaug 6109 1950-6-27
FH: 00259904 Alectoria lanestris (Acharius) Gyelnik Canada: Alberta Rocky Mountains, Banff National Park, Larch ... H. A. Imshaug 6841 1950-7-12
FH: 00259913 Alectoria lanestris (Acharius) Gyelnik Canada: Alberta Rocky Mountains, Banff National Park, Consol... H. A. Imshaug 6781 1950-7-12
FH: 00388362 Alectoria sarmentosa (Acharius) Acharius USA: Alaska [data not captured] H. A. Imshaug 1962
FH: 00259902 Alectoria simplicior (Vainio) Lynge Canada: Alberta Waterton Lakes National Park, Rocky Mountain... H. A. Imshaug 6109 1950-6-27
FH: 00259904 Alectoria simplicior (Vainio) Lynge Canada: Alberta Rocky Mountains, Banff National Park, Larch ... H. A. Imshaug 6841 1950-7-12
FH: 00259913 Alectoria trichodes (Michaux) D. Hawksworth Canada: Alberta Rocky Mountains, Banff National Park, Consol... H. A. Imshaug 6781 1950-7-12
FH: 00388682 Amandinea punctata (Hoffmann) Coppins & Scheidegger USA: Montana [data not captured] H. A. Imshaug 1950
FH: 00388702 Amandinea punctata (Hoffmann) Coppins & Scheidegger USA: Michigan [data not captured] H. A. Imshaug 1949
FH: 00408496 Bryoria capillaris (Acharius) Brodo & D. Hawksworth USA: Montana [data not captured] H. A. Imshaug 7279 1950
FH: 00408514 Bryoria capillaris (Acharius) Brodo & D. Hawksworth USA: Washington [data not captured] H. A. Imshaug 1649 1948
FH: 00408528 Bryoria fremontii (Tuckerman) Brodo & D. Hawksworth USA: Montana [data not captured] H. A. Imshaug 7606 1950
FH: 00408715 Bryoria lanestris (Acharius) Brodo & D. Hawksworth Canada: Alberta [data not captured] H. A. Imshaug 7120 1950
FH: 00408717 Bryoria lanestris (Acharius) Brodo & D. Hawksworth Canada: British Columbia [data not captured] H. A. Imshaug 6718 1950
FH: 00408718 Bryoria lanestris (Acharius) Brodo & D. Hawksworth USA: Montana [data not captured] H. A. Imshaug 5972 1950
FH: 00408719 Bryoria lanestris (Acharius) Brodo & D. Hawksworth USA: Montana [data not captured] H. A. Imshaug 5545 1950
FH: 00408725 Bryoria oregana (Tuckerman) Brodo & D. Hawksworth USA: Montana [data not captured] H. A. Imshaug 6046 1950
FH: 00408727 Bryoria oregana (Tuckerman) Brodo & D. Hawksworth USA: Washington [data not captured] H. A. Imshaug 1329 1948
FH: 00259914 Bryoria trichodes (Michaux) Brodo & D. Hawksworth Canada: Quebec Province Spruce bog at east side of Lac Jean Pere, no... H. A. Imshaug 60305 1977-9-1
FH: 00408795 Bryoria trichodes (Michaux) Brodo & D. Hawksworth USA: Washington [data not captured] H. A. Imshaug 165 1948
FH: 00408796 Bryoria trichodes (Michaux) Brodo & D. Hawksworth USA: Washington [data not captured] H. A. Imshaug 1338b 1948
FH: 00408797 Bryoria trichodes (Michaux) Brodo & D. Hawksworth USA: Washington [data not captured] H. A. Imshaug 315 1948
FH: 00408798 Bryoria trichodes (Michaux) Brodo & D. Hawksworth USA: Montana [data not captured] H. A. Imshaug 7346 1950
FH: 00408799 Bryoria trichodes (Michaux) Brodo & D. Hawksworth USA: Washington [data not captured] H. A. Imshaug 170c 1948
FH: 00408983 Buellia disciformis (Fries) Mudd USA: Michigan [data not captured] H. A. Imshaug 5241 1949
FH: 00390014 Buellia erubescens Arnold USA: Washington [data not captured] H. A. Imshaug 1895 1948
FH: 00390058 Buellia insignis (Nägeli) Th. Fries USA: Montana [data not captured] H. A. Imshaug 5691 1950
FH: 00390059 Buellia insignis (Nägeli) Th. Fries USA: Colorado [data not captured] H. A. Imshaug 12165 1952
FH: 00390363 Buellia stillingiana J. Steiner USA: Michigan [data not captured] H. A. Imshaug 3703 1949
FH: 00390364 Buellia stillingiana J. Steiner USA: Michigan [data not captured] H. A. Imshaug 3611 1949
FH: 00390365 Buellia stillingiana J. Steiner USA: Michigan [data not captured] H. A. Imshaug 2757 1949
FH: 00390366 Buellia stillingiana J. Steiner USA: Michigan [data not captured] H. A. Imshaug 5263 1949
FH: 00409642 Candelariella efflorescens R. C. Harris & W. R. Buck USA: Michigan [data not captured] H. A. Imshaug 27637 1961
FH: 00393647 Cyphelium inquinans (Smith) Trevisan USA: Michigan [data not captured] H. A. Imshaug 29105 1962-8
FH: 00394324 Dermatocarpon luridum (Dillenius ex Withering) J. R. Laundon USA: Washington [data not captured] H. A. Imshaug 645 1948-7-24
FH: 00394254 Dermatocarpon moulinsii (Montagne) Zahlbruckner Canada: Ontario [data not captured] H. A. Imshaug 4216 1949-8-31
FH: 00394253 Dermatocarpon moulinsii (Montagne) Zahlbruckner USA: Michigan [data not captured] H. A. Imshaug 5405 1949-9-20
FH: 00394261 Dermatocarpon moulinsii (Montagne) Zahlbruckner USA: Washington [data not captured] H. A. Imshaug 178 1948
FH: 00394517 Dermatocarpon reticulatum H. Magnusson USA: Washington [data not captured] H. A. Imshaug 220 1948
FH: 00394192 Dermatocarpon vagans Imshaug USA: Wyoming [data not captured] H. A. Imshaug 15 1948-6-23
FH: 00439361 Evernia mesomorpha Nylander Canada: Ontario [data not captured] H. A. Imshaug 59701 1976-8-16
FH: 00437745 Graphis scripta (Linnaeus) Acharius USA: Michigan [data not captured] H. A. Imshaug 59927A 1976
FH: 00430604 Lepraria neglecta (Nylander) Erichsen USA: Colorado [data not captured] H. A. Imshaug 17148 1954-8-24
FH: 00430605 Lepraria neglecta (Nylander) Erichsen USA: Colorado [data not captured] H. A. Imshaug 11760 1952-8-1
FH: 00430826 Leptogium corniculatum (Hoffmann) Minks USA: Washington [data not captured] H. A. Imshaug 658 1948-7-25
FH: 00453124 Lobaria oregana (Tuckerman) Müller Arg. USA: Washington [data not captured] H. A. Imshaug 662 1948-7-25
FH: 00453126 Lobaria oregana (Tuckerman) Müller Arg. USA: Washington [data not captured] H. A. Imshaug 444b 1948-7-20
FH: 00453127 Lobaria oregana (Tuckerman) Müller Arg. USA: Washington [data not captured] H. A. Imshaug 146 1948
FH: 00372519 Lobaria pulmonaria (Linnaeus) Hoffmann USA: Washington [data not captured] H. A. Imshaug 358 1948
FH: 00372520 Lobaria pulmonaria (Linnaeus) Hoffmann USA: Washington [data not captured] H. A. Imshaug 1830 1948
FH: 00453485 Loxospora elatina (Acharius) A. Massalongo Canada: Ontario [data not captured] H. A. Imshaug 59711 1976-8-16
FH: 00454478 Mycoblastus sanguinarius (Linnaeus) Norman Canada: Quebec Province [data not captured] H. A. Imshaug 60308 1977-9-1
FH: 00454483 Mycoblastus sanguinarius (Linnaeus) Norman Canada: Ontario [data not captured] H. A. Imshaug 59335 1976-8-14
FH: 00454503 Mycoblastus sanguinarius (Linnaeus) Norman Canada: British Columbia [data not captured] H. A. Imshaug 6745 1950-7-11
FH: 00454487 Mycoblastus sanguinarius (Linnaeus) Norman USA: Michigan [data not captured] H. A. Imshaug 5254 1949-9-18
FH: 00454491 Mycoblastus sanguinarius (Linnaeus) Norman USA: Montana [data not captured] H. A. Imshaug 7332 1950-7-26
FH: 00454502 Mycoblastus sanguinarius (Linnaeus) Norman USA: Washington [data not captured] H. A. Imshaug 305 1948-7-15
FH: 00454513 Mycoblastus sanguinarius (Linnaeus) Norman USA: Washington [data not captured] H. A. Imshaug 1836 1948-8-20
FH: 00454881 Nephroma bellum (Sprengel) Tuckerman USA: Washington [data not captured] H. A. Imshaug 568 1948-7-23
FH: 00455027 Nephroma rameum A. Massalongo USA: Washington [data not captured] H. A. Imshaug 1948-7-23
FH: 00455067 Nephroma resupinatum (Linnaeus) Acharius USA: Washington [data not captured] H. A. Imshaug 594 1948-7-23
FH: 00469308 Peltigera aphthosa (Linnaeus) Willdenow USA: Washington [data not captured] H. A. Imshaug 1681 1949-8-18
FH: 00469309 Peltigera aphthosa (Linnaeus) Willdenow USA: Montana [data not captured] H. A. Imshaug 8139 1950-8-5
FH: 00469311 Peltigera aphthosa (Linnaeus) Willdenow USA: Washington [data not captured] H. A. Imshaug 430 1948-7-20
FH: 00469312 Peltigera aphthosa (Linnaeus) Willdenow USA: Washington [data not captured] H. A. Imshaug 142 1948
FH: 00469567 Peltigera canina spongiosa (Tuckerman) Tuckerman Canada: Ontario [data not captured] H. A. Imshaug 4177 1949-8-31
FH: 00469649 Peltigera canina (Linnaeus) Willdenow USA: Michigan [data not captured] H. A. Imshaug 4455 1949-9-5
FH: 00469663 Peltigera canina (Linnaeus) Willdenow USA: Wyoming [data not captured] H. A. Imshaug 9289 1950-8-27
FH: 00469552 Peltigera canina albescens (Wahlenberg) J. W. Thomson USA: Washington [data not captured] H. A. Imshaug 1931 1948-8-21
FH: 00469553 Peltigera canina albescens (Wahlenberg) J. W. Thomson USA: Washington [data not captured] H. A. Imshaug 442 1948-7-20
FH: 00469705 Peltigera elisabethae Gyelnik Canada: Ontario Sudbury District: [data not captured] H. A. Imshaug 24301 1960-6-21
FH: 00469725 Peltigera evansiana Gyelnik USA: Michigan [data not captured] H. A. Imshaug 3193 1949-7-19
FH: 00469726 Peltigera evansiana Gyelnik USA: Michigan [data not captured] H. A. Imshaug 4457 1949-9-5
FH: 00469770 Peltigera horizontalis (Hudson) Baumgarten Canada: Ontario [data not captured] H. A. Imshaug 4098 1949-8-30
FH: 00469772 Peltigera horizontalis (Hudson) Baumgarten Canada: Ontario [data not captured] H. A. Imshaug 4178 1949-8-31
FH: 00469771 Peltigera horizontalis (Hudson) Baumgarten USA: Michigan [data not captured] H. A. Imshaug 3823 1949-8-21
FH: 00469776 Peltigera horizontalis (Hudson) Baumgarten USA: Michigan [data not captured] H. A. Imshaug 4345 1949-9-4
FH: 00469777 Peltigera horizontalis (Hudson) Baumgarten USA: Michigan [data not captured] H. A. Imshaug 5260 1949-9-18
FH: 00469878 Peltigera lepidophora (Nylander) Bitter USA: Michigan [data not captured] H. A. Imshaug 5044 1949-9-13
FH: 00469864 Peltigera leucophlebia (Nylander) Gyelnik Canada: Ontario Thunder Bay District: [data not captured] H. A. Imshaug 59513 1976-8-15
FH: 00469890 Peltigera malacea (Acharius) Funck Canada: Ontario Thunder Bay District: [data not captured] H. A. Imshaug 59552 1976-8-15
FH: 00469888 Peltigera malacea (Acharius) Funck USA: Michigan [data not captured] H. A. Imshaug 4708 1949-9-8
FH: 00469889 Peltigera malacea (Acharius) Funck USA: Michigan [data not captured] H. A. Imshaug 5333 1949-9-19
FH: 00469929 Peltigera membranacea (Acharius) Nylander USA: Montana [data not captured] H. A. Imshaug 5860 1950-6-21
FH: 00469930 Peltigera membranacea (Acharius) Nylander USA: Montana [data not captured] H. A. Imshaug 7637 1950-7-31
FH: 00470083 Peltigera polydactyla (Necker) Hoffmann Canada: Ontario Thunder Bay District: [data not captured] H. A. Imshaug 59671 1976-8-16
FH: 00470085 Peltigera polydactyla (Necker) Hoffmann Canada: Ontario [data not captured] H. A. Imshaug 4182 1949-8-31
FH: 00470087 Peltigera polydactyla (Necker) Hoffmann USA: Michigan [data not captured] H. A. Imshaug 3449 1949-8-15
FH: 00470088 Peltigera polydactyla (Necker) Hoffmann USA: Michigan [data not captured] H. A. Imshaug 3427 1949-8-15
FH: 00470090 Peltigera polydactyla (Necker) Hoffmann USA: Michigan [data not captured] H. A. Imshaug 2934 1949-7-1
FH: 00470149 Peltigera polydactyla (Necker) Hoffmann USA: Washington [data not captured] H. A. Imshaug 750 1948-7-26
FH: 00470150 Peltigera polydactyla (Necker) Hoffmann USA: Washington [data not captured] H. A. Imshaug 587 1948-7-23
FH: 00470176 Peltigera polydactyla (Necker) Hoffmann USA: Washington [data not captured] H. A. Imshaug 163 1948
FH: 00470176 Peltigera polydactyla collina Nylander USA: Washington [data not captured] H. A. Imshaug 163 1948
FH: 00470372 Peltigera rufescens (Weiss) Humboldt USA: Michigan [data not captured] H. A. Imshaug 3435 1949-8-15
FH: 00470383 Peltigera rufescens (Weiss) Humboldt USA: Michigan [data not captured] H. A. Imshaug 4406 1949-9-4
FH: 00470384 Peltigera rufescens (Weiss) Humboldt USA: Michigan [data not captured] H. A. Imshaug 3436 1949-8-15
FH: 00470385 Peltigera rufescens (Weiss) Humboldt USA: Michigan [data not captured] H. A. Imshaug 3732 1949-8-20
FH: 00470438 Peltigera rufescens (Weiss) Humboldt USA: Montana [data not captured] H. A. Imshaug 5491 1950-6-16
FH: 00470442 Peltigera rufescens (Weiss) Humboldt USA: Montana [data not captured] H. A. Imshaug 8314 1950-8-7
FH: 00470481 Peltigera rufescens (Weiss) Humboldt USA: Washington [data not captured] H. A. Imshaug 581 1948-7-23
FH: 00470482 Peltigera rufescens (Weiss) Humboldt USA: Washington [data not captured] H. A. Imshaug 1505 1948-8-13
FH: 00470483 Peltigera rufescens (Weiss) Humboldt USA: Washington [data not captured] H. A. Imshaug 191 1948
FH: 00470592 Peltigera scutata (Dickson) Duby USA: Washington [data not captured] H. A. Imshaug 1826 1948-8-20
FH: 00469617 Peltigera sp. Canada: Ontario [data not captured] H. A. Imshaug 4196 1949-8-31
FH: 00469622 Peltigera sp. USA: Montana [data not captured] H. A. Imshaug 7522 1950-7-28
FH: 00469623 Peltigera sp. USA: Washington [data not captured] H. A. Imshaug 307 1948-7-15
FH: 00470636 Peltigera spuria (Acharius) de Candolle USA: Michigan [data not captured] H. A. Imshaug 4884 1949-9-11
FH: 00470646 Peltigera spuria (Acharius) de Candolle USA: Montana [data not captured] H. A. Imshaug 6428 1950-7-3
FH: 00470652 Peltigera spuria (Acharius) de Candolle USA: Washington [data not captured] H. A. Imshaug 195 1948-7-9
FH: 00470726 Peltigera venosa (Linnaeus) Hoffmann USA: Montana [data not captured] H. A. Imshaug 7344 1950-7-26
FH: 00470748 Peltigera venosa (Linnaeus) Hoffmann USA: Washington [data not captured] H. A. Imshaug 1250 1948
FH: 00470749 Peltigera venosa (Linnaeus) Hoffmann USA: Washington [data not captured] H. A. Imshaug 162 1948
FH: 00472537 Phaeophyscia hispidula (Acharius) Esslinger USA: Michigan [data not captured] H. A. Imshaug 4679 1949-9
FH: 00472787 Phaeophyscia pusilloides (Zahlbruckner) Esslinger USA: Michigan [data not captured] H. A. Imshaug 3933 1949-8-24
FH: 00472146 Physcia adscendens (Fries) H. Olivier USA: Michigan [data not captured] H. A. Imshaug 3971 1949-8-24
FH: 00472147 Physcia adscendens (Fries) H. Olivier USA: Michigan [data not captured] H. A. Imshaug 3202 1949-7-29
FH: 00472150 Physcia adscendens (Fries) H. Olivier USA: Michigan [data not captured] H. A. Imshaug 3795 1949-8-21
FH: 00472297 Physcia adscendens (Fries) H. Olivier USA: Michigan [data not captured] H. A. Imshaug 3821 1949-8-21
FH: 00472298 Physcia adscendens (Fries) H. Olivier USA: Michigan [data not captured] H. A. Imshaug 5287 1949-9-19
FH: 00472302 Physcia adscendens (Fries) H. Olivier USA: Michigan [data not captured] H. A. Imshaug 3447 1949-8-15
FH: 00472381 Physcia caesia (Hoffmann) Hampe ex Fürnrohr USA: Michigan [data not captured] H. A. Imshaug 4079 1949-8-28
FH: 00472492 Physcia dubia (Hoffmann) Lettau USA: Montana [data not captured] H. A. Imshaug 6380 1950-7-2
FH: 00472537 Physcia hispidula hispidula (Acharius) Frey USA: Michigan [data not captured] H. A. Imshaug 4679 1949-9
FH: 00472699 Physcia millegrana Degelius USA: Michigan [data not captured] H. A. Imshaug 3045 1949-7-8
FH: 00472787 Physcia orbicularis (Baumgarten) Poetsch USA: Michigan [data not captured] H. A. Imshaug 3933 1949-8-24
FH: 00473088 Physcia sp. Canada: Ontario [data not captured] H. A. Imshaug 4317 1949-9-1
FH: 00472313 Physcia sp. USA: Michigan [data not captured] H. A. Imshaug 3050 1949-7-12
FH: 00473090 Physcia sp. USA: Michigan [data not captured] H. A. Imshaug 2754 1949-6-22
FH: 00473091 Physcia sp. USA: Michigan [data not captured] H. A. Imshaug 2770 1949-6-22
FH: 00473036 Physcia stellaris (Linnaeus) Nylander USA: Michigan [data not captured] H. A. Imshaug 2849 1949-6-29
FH: 00473219 Physconia detersa (Nylander) Poelt USA: Michigan [data not captured] H. A. Imshaug 3053 1949-7-12
FH: 00473228 Physconia detersa (Nylander) Poelt USA: Michigan [data not captured] H. A. Imshaug 4772 1949-9-9
FH: 00473238 Physconia enteroxantha (Nylander) Poelt Canada: Ontario [data not captured] H. A. Imshaug 4205 1949-8-31
FH: 00473313 Physconia muscigena (Acharius) Poelt USA: Montana [data not captured] H. A. Imshaug 8448 1950-8-8
FH: 00473325 Physconia muscigena squarrosa J. C. Wei & Y. M. Jiang USA: Montana [data not captured] H. A. Imshaug 5550 1950-6-16
FH: 00473326 Physconia muscigena squarrosa J. C. Wei & Y. M. Jiang USA: Montana [data not captured] H. A. Imshaug 6314 1950-7-1
FH: 00473333 Physconia perisidiosa (Erichsen) Moberg USA: Montana [data not captured] H. A. Imshaug 7520 1950-7-28
FH: 00473364 Pilophorus acicularis (Acharius) Th. Fries USA: Washington [data not captured] H. A. Imshaug 144 1948
FH: 00473340 Pilophorus clavatus Th. Fries USA: Washington [data not captured] H. A. Imshaug 1943 1948-8-21
FH: 00473797 Platismatia glauca (Linnaeus) W. L. Culberson & C. F. Culberson USA: Washington [data not captured] H. A. Imshaug 341 1948-7-16
FH: 00474762 Pseudocyphellaria anomala I. M. Brodo & T. T. Ahti USA: Washington [data not captured] H. A. Imshaug 1156 1948
FH: 00474750 Pseudocyphellaria rainierensis Imshaug USA: Washington [data not captured] H. A. Imshaug 1948-8-9
FH: 00468259 Punctelia rudecta (Acharius) Krog USA: Michigan [data not captured] H. A. Imshaug 58820 1976-7-12
FH: 00477672 Rhizocarpon geographicum (Linnaeus) de Candolle Canada: Ontario [data not captured] H. A. Imshaug 25882 1960-5
FH: 00477674 Rhizocarpon geographicum (Linnaeus) de Candolle USA: California [data not captured] H. A. Imshaug 18035 1955-7-14
FH: 00478083 Rhizoplaca melanophthalma (de Candolle) Leuckert USA: Washington [data not captured] H. A. Imshaug 2087 1948-8-28
FH: 00478342 Rinodina mniaraea (Acharius) Körber USA: Colorado [data not captured] H. A. Imshaug 11983 B 1952-8-4
FH: 00478356 Rinodina nimbosa (Fries) Th. Fries Canada: Alberta [data not captured] H. A. Imshaug 6611 1950-7-9
FH: 00478354 Rinodina nimbosa (Fries) Th. Fries USA: Montana [data not captured] H. A. Imshaug 8064 1950-8-4
FH: 00478355 Rinodina nimbosa (Fries) Th. Fries USA: Wyoming [data not captured] H. A. Imshaug 9331 1950-8-28
FH: 00478357 Rinodina nimbosa (Fries) Th. Fries USA: Montana [data not captured] H. A. Imshaug 6497 1950-7-5
FH: 00478756 Scoliciosporum chlorococcum (Graewe ex Stenhammar) Vězda USA: Michigan [data not captured] H. A. Imshaug 58603 1975-6-29
FH: 00491347 Thelotrema lepadinum (Acharius) Acharius USA: Washington [data not captured] H. A. Imshaug 1370 1948-8-11
FH: 00492499 Umbilicaria arctica (Acharius) Nylander USA: Michigan [data not captured] H. A. Imshaug 4400 1949-9-4
FH: 00492598 Umbilicaria deusta (Linnaeus) Baumgarten USA: Washington [data not captured] H. A. Imshaug 1210 1948-8-8
FH: 00455844 Umbilicaria virginis Schaerer USA: Washington [data not captured] H. A. Imshaug 2077 1948-8-28
FH: 00393710 Xanthoria elegans (Link) Th. Fries USA: California [data not captured] H. A. Imshaug 18064 1955-7-14
Acarosporaceae FH: 00259352 Acarospora schleicheri (Acharius) A. Massalongo Chile: Valparaíso Region Juan Fernandez Islands, Puerto Frances: Vall... H. A. Imshaug 38006 1965-12-13
FH: 00259352 Acarospora xanthophana (Nylander) Jatta Chile: Valparaíso Region Juan Fernandez Islands, Puerto Frances: Vall... H. A. Imshaug 38006 1965-12-13
FH: 00474091 Pleopsidium chlorophanum (Wahlenberg) Zopf USA: Montana [data not captured] H. A. Imshaug 8849 1950-8-15
Agyriaceae FH: 00491757 Trapeliopsis granulosa (Hoffmann) Lumbsch Canada: Ontario [data not captured] H. A. Imshaug 24219 1959-6-18
FH: 00491775 Trapeliopsis granulosa (Hoffmann) Lumbsch USA: Michigan [data not captured] H. A. Imshaug 3267 1949-7-31
Brachytheciaceae FH: 00920922 Scorpidium scorpioides (Hedwig) Limpricht Canada: Ontario [data not captured] H. A. Imshaug 24268 1959-6-19
Brigantiaeaceae FH: 00302327 Argopsis friesiana Müller Argoviensis : Kerguelen Island: Peninsule Courbet, summit ... H. A. Imshaug 49318 B pr. p. 1971
FH: 00302321 Argopsis sp. : Kerguelen Island: Peninsule Courbet, summit ... H. A. Imshaug 49318 B pr. p. 1971
Caliciaceae FH: 00390571 Calicium viride Persoon USA: Montana [data not captured] H. A. Imshaug 7278 1950
FH: 00394998 Diplotomma penichrum (Tuckerman) Szatala USA: Montana [data not captured] H. A. Imshaug 8175 1950-8-5
FH: 00439009 Diplotomma penichrum (Tuckerman) Szatala USA: Montana [data not captured] H. A. Imshaug 7314 1950-7-25
Cladoniaceae FH: 00406209 Cladonia arbuscula (Wallroth) Flotow USA: Michigan [data not captured] H. A. Imshaug 3294 1949
FH: 00406609 Cladonia bellidiflora (Acharius) Schaerer USA: Alaska [data not captured] H. A. Imshaug 28644 1962-7-13
FH: 00412157 Cladonia cariosa (Acharius) Sprengel USA: Montana [data not captured] H. A. Imshaug 6389 1950-7-2
FH: 00412158 Cladonia cariosa (Acharius) Sprengel USA: Montana [data not captured] H. A. Imshaug 8311 1950-8-7
FH: 00412264 Cladonia carneola (Fries) Fries USA: Montana [data not captured] H. A. Imshaug 5903 1950
FH: 00412281 Cladonia carneola (Fries) Fries USA: Washington [data not captured] H. A. Imshaug 157 1948
FH: 00412282 Cladonia carneola (Fries) Fries USA: Washington [data not captured] H. A. Imshaug 628 1948
FH: 00412347 Cladonia cenotea (Acharius) Schaerer Canada: Quebec Province [data not captured] H. A. Imshaug 60382 1977
FH: 00412404 Cladonia cenotea (Acharius) Schaerer USA: Alaska [data not captured] H. A. Imshaug 28378 1962
FH: 00412430 Cladonia cenotea crossata Nylander USA: Michigan [data not captured] H. A. Imshaug 3286 1949
FH: 00412525 Cladonia cervicornis (Acharius) Flotow USA: Michigan [data not captured] H. A. Imshaug 3169 1949
FH: 00412792 Cladonia cervicornis verticillata (Hoffmann) Ahti USA: Michigan [data not captured] H. A. Imshaug 4576 1949
FH: 00412793 Cladonia cervicornis verticillata (Hoffmann) Ahti USA: Michigan [data not captured] H. A. Imshaug 2813 1949
FH: 00412794 Cladonia cervicornis verticillata (Hoffmann) Ahti USA: Michigan [data not captured] H. A. Imshaug 5375 1949
FH: 00412946 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel USA: Michigan [data not captured] H. A. Imshaug 20940 1957-9
FH: 00411115 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel USA: Michigan [data not captured] H. A. Imshaug 5309 1949
FH: 00411499 Cladonia cornuta (Linnaeus) Hoffmann USA: Alaska [data not captured] H. A. Imshaug 28572 1962
FH: 00411503 Cladonia cornuta (Linnaeus) Hoffmann USA: Alaska [data not captured] H. A. Imshaug 28516 1962
FH: 00411557 Cladonia crispata (Acharius) Flotow USA: Michigan [data not captured] H. A. Imshaug 59132 1976
FH: 00411562 Cladonia crispata (Acharius) Flotow USA: Alaska [data not captured] H. A. Imshaug 28660 1962
FH: 00411588 Cladonia crispata (Acharius) Flotow USA: Michigan [data not captured] H. A. Imshaug 3506 1949
FH: 00411606 Cladonia crispata (Acharius) Flotow USA: Michigan [data not captured] H. A. Imshaug 4641 1949
FH: 00411728 Cladonia crispata virgata (Acharius) Vainio USA: Michigan [data not captured] H. A. Imshaug 4702 1949
FH: 00410104 Cladonia cristatella beauvoisii (Delise) Vainio USA: Michigan [data not captured] H. A. Imshaug 3017 1949
FH: 00410238 Cladonia dahliana Kristinsson USA: Michigan [data not captured] H. A. Imshaug 60137 1976
FH: 00410359 Cladonia deformis (Linnaeus) Hoffmann Canada: Alberta Banff: [data not captured] H. A. Imshaug 6823 1950
FH: 00410335 Cladonia deformis (Linnaeus) Hoffmann USA: Michigan [data not captured] H. A. Imshaug 58782 1976
FH: 00410341 Cladonia deformis (Linnaeus) Hoffmann USA: Montana [data not captured] H. A. Imshaug 5758 1950
FH: 00410347 Cladonia deformis (Linnaeus) Hoffmann USA: Washington [data not captured] H. A. Imshaug 609 1948
FH: 00410350 Cladonia deformis (Linnaeus) Hoffmann USA: Washington [data not captured] H. A. Imshaug 1327 1948
FH: 00410526 Cladonia digitata (Linnaeus) Hoffmann USA: Michigan [data not captured] H. A. Imshaug 2846 1949
FH: 00410527 Cladonia digitata (Linnaeus) Hoffmann USA: Michigan [data not captured] H. A. Imshaug 3213 1949
FH: 00410528 Cladonia digitata (Linnaeus) Hoffmann USA: Michigan [data not captured] H. A. Imshaug 5134 1949
FH: 00410655 Cladonia ecmocyna Leighton USA: Colorado [data not captured] H. A. Imshaug 11157 1952
FH: 00410718 Cladonia ecmocyna Leighton USA: Alaska [data not captured] H. A. Imshaug 28843 1962
FH: 00410913 Cladonia fimbriata (Linnaeus) Fries USA: Michigan [data not captured] H. A. Imshaug 3257 1949
FH: 00371279 Cladonia furcata (Hudson) Schrader USA: New York [data not captured] H. A. Imshaug 24077 1958
FH: 00371984 Cladonia gracilis (Linnaeus) Willdenow USA: New York [data not captured] H. A. Imshaug 24090 1958-9-12
FH: 00428010 Cladonia gracilis (Linnaeus) Willdenow USA: Alaska [data not captured] H. A. Imshaug 28971 1962
FH: 00428339 Cladonia gracilis (Linnaeus) Willdenow USA: Michigan [data not captured] H. A. Imshaug 3211 1949
FH: 00428288 Cladonia gracilis turbinata (Acharius) Ahti USA: Michigan [data not captured] H. A. Imshaug 3205 1949
FH: 00428289 Cladonia gracilis turbinata (Acharius) Ahti USA: Michigan [data not captured] H. A. Imshaug 4575 1949
FH: 00428290 Cladonia gracilis turbinata (Acharius) Ahti USA: Michigan [data not captured] H. A. Imshaug 5422 1949
FH: 00370161 Cladonia mitis Sandstede Canada: Alberta [data not captured] H. A. Imshaug 7134 1950
FH: 00370264 Cladonia mitis Sandstede Canada: British Columbia [data not captured] H. A. Imshaug 6700 1950
FH: 00370155 Cladonia mitis Sandstede USA: Washington [data not captured] H. A. Imshaug 938 1948
FH: 00370160 Cladonia mitis Sandstede USA: Montana [data not captured] H. A. Imshaug 7556 1950
FH: 00370252 Cladonia mitis Sandstede USA: Michigan [data not captured] H. A. Imshaug 5173 1949
FH: 00370253 Cladonia mitis Sandstede USA: Michigan [data not captured] H. A. Imshaug 2735 1949
FH: 00370259 Cladonia mitis Sandstede USA: Michigan [data not captured] H. A. Imshaug 27552 1961
FH: 00370293 Cladonia mitis Sandstede USA: Alaska [data not captured] H. A. Imshaug 28457 1962
FH: 00370407 Cladonia multiformis G. Merrill USA: Michigan [data not captured] H. A. Imshaug 3261 1949
FH: 00370408 Cladonia multiformis G. Merrill USA: Michigan [data not captured] H. A. Imshaug 3272 1949
FH: 00440266 Cladonia phyllophora Hoffmann USA: Michigan [data not captured] H. A. Imshaug 5147 1949
FH: 00426072 Cladonia pyxidata pocillum (Acharius) Flotow USA: Michigan [data not captured] H. A. Imshaug 3983 1949
FH: 00426246 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers Canada: Ontario [data not captured] H. A. Imshaug 60587 1977
FH: 00426255 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers Canada: Quebec Province [data not captured] H. A. Imshaug 60356 1977
FH: 00426499 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers Canada: Alberta [data not captured] H. A. Imshaug 7080 1950
FH: 00426498 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: Michigan [data not captured] H. A. Imshaug 2746 1949
FH: 00426500 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: Washington [data not captured] H. A. Imshaug 425 1948
FH: 00426514 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: Montana [data not captured] H. A. Imshaug 7535 1950
FH: 00426515 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: Washington [data not captured] H. A. Imshaug 1249 1948
FH: 00426893 Cladonia scabriuscula (Delise) Nylander USA: Michigan [data not captured] H. A. Imshaug 58931 1976
FH: 00426961 Cladonia scabriuscula (Delise) Nylander USA: Michigan [data not captured] H. A. Imshaug 4736 1949-9-8
FH: 00426982 Cladonia scabriuscula (Delise) Nylander USA: Michigan [data not captured] H. A. Imshaug 5229 1949-9-18
FH: 00392068 Cladonia squamosa (Scopoli) Hoffmann USA: Michigan [data not captured] H. A. Imshaug 5132 1949-9-17
FH: 00392156 Cladonia squamosa (Scopoli) Hoffmann USA: Alaska [data not captured] H. A. Imshaug 28616 1962-7-13
FH: 00392889 Cladonia stellaris (Opiz) Pouzar & Vězda USA: Michigan [data not captured] H. A. Imshaug 5230 1949
FH: 00392890 Cladonia stellaris (Opiz) Pouzar & Vězda USA: Michigan [data not captured] H. A. Imshaug 5450 1949
FH: 00391953 Cladonia turgida Ehrhart ex Hoffmann USA: Michigan [data not captured] H. A. Imshaug 5339 1949-9-19
FH: 00391982 Cladonia turgida Ehrhart ex Hoffmann USA: Michigan [data not captured] H. A. Imshaug 5165 1949-9-17
FH: 00407252 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers Canada: Ontario [data not captured] H. A. Imshaug 27036 1960
FH: 00407064 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: Michigan [data not captured] H. A. Imshaug 5428 1949-9-20
FH: 00407065 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: Michigan [data not captured] H. A. Imshaug 2732 1949-6-22
FH: 00407066 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: Michigan [data not captured] H. A. Imshaug 3255 1949-7-31
FH: 00407257 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: Michigan [data not captured] H. A. Imshaug 58780 1976
Coenogoniaceae FH: 00407935 Coenogonium luteum (Dickson) K. Kalb & R. Lücking USA: Michigan [data not captured] H. A. Imshaug 4770 1949-9-9
Fuscideaceae FH: 00467322 Orphniospora moriopsis (A. Massalongo) D. Hawksworth USA: Washington [data not captured] H. A. Imshaug 892 1948-8-1
Grimmiaceae FH: 00557967 Grimmia torquata Drummond USA: Montana [data not captured] H. A. Imshaug 8374 1950-8-7
Hypogymniaceae FH: 00450614 Hypogymnia enteromorpha (Acharius) Nylander USA: Washington [data not captured] H. A. Imshaug 306 1948
FH: 00450849 Hypogymnia physodes (Linnaeus) Nylander Canada: Ontario [data not captured] H. A. Imshaug 59241 1976
FH: 00450856 Hypogymnia physodes (Linnaeus) Nylander Canada: Ontario [data not captured] H. A. Imshaug 4118 1949
FH: 00450852 Hypogymnia physodes (Linnaeus) Nylander USA: Michigan [data not captured] H. A. Imshaug 3428 1949
FH: 00450853 Hypogymnia physodes (Linnaeus) Nylander USA: Michigan [data not captured] H. A. Imshaug 3521 1949
FH: 00450855 Hypogymnia physodes (Linnaeus) Nylander USA: Michigan [data not captured] H. A. Imshaug 3706 1949
FH: 00438036 Hypogymnia vittata (Acharius) Parrique USA: Washington [data not captured] H. A. Imshaug 357 1948
Icmadophilaceae FH: 00438174 Icmadophila ericetorum (Linnaeus) Zahlbruckner USA: Montana [data not captured] H. A. Imshaug 7263 1950
FH: 00438191 Icmadophila ericetorum (Linnaeus) Zahlbruckner USA: Washington [data not captured] H. A. Imshaug 1749 1948
FH: 00377337 Icmadophila splachnirima (Hooker f. & Taylor) Galloway New Zealand: Campbell Island: northwest of Sorenson Hut H. A. Imshaug 47255 1970-1-18
FH: 00491079 Thamnolia vermicularis (Swartz) Schaerer USA: Washington [data not captured] H. A. Imshaug 184 1948
FH: 00491118 Thamnolia vermicularis (Swartz) Schaerer USA: Alaska [data not captured] H. A. Imshaug 28845 1962-7-17
FH: 00377337 Thelidea splachnirima (Hooker f. & Taylor) P. James New Zealand: Campbell Island: northwest of Sorenson Hut H. A. Imshaug 47255 1970-1-18
Incertae sedis FH: 00430654 Leprocaulon subalbicans (I. M. Lamb) I. M. Lamb & A. Ward USA: Montana [data not captured] H. A. Imshaug 7979 1950
FH: 00430655 Leprocaulon subalbicans (I. M. Lamb) I. M. Lamb & A. Ward USA: Montana [data not captured] H. A. Imshaug 6366 1950-7-2
FH: 00430656 Leprocaulon subalbicans (I. M. Lamb) I. M. Lamb & A. Ward USA: Montana [data not captured] H. A. Imshaug 7990 1950-8-4
FH: 00430657 Leprocaulon subalbicans (I. M. Lamb) I. M. Lamb & A. Ward USA: Montana [data not captured] H. A. Imshaug 6366 1950
FH: 00430658 Leprocaulon subalbicans (I. M. Lamb) I. M. Lamb & A. Ward USA: Washington [data not captured] H. A. Imshaug 18497 1955
FH: 00430659 Leprocaulon subalbicans (I. M. Lamb) I. M. Lamb & A. Ward USA: Washington [data not captured] H. A. Imshaug 18700 1955
FH: 00430660 Leprocaulon subalbicans (I. M. Lamb) I. M. Lamb & A. Ward USA: Alaska [data not captured] H. A. Imshaug 28908 1962
Lecanoraceae FH: 00372718 Lecanora argopholis (Acharius) Acharius Canada: Ontario [data not captured] H. A. Imshaug 22093 1958-5-31
FH: 00372726 Lecanora argopholis (Acharius) Acharius USA: Montana [data not captured] H. A. Imshaug 6072 1950-6-26
FH: 00372850 Lecanora caesiorubella Acharius USA: Michigan [data not captured] H. A. Imshaug 3074 1949-7-13
FH: 00451713 Lecanora pringlei (Tuckerman) I. M. Lamb USA: Washington [data not captured] H. A. Imshaug 17463 1954-9-7
FH: 00451777 Lecanora rugosella Zahlbruckner Canada: Ontario Algoma District: [data not captured] H. A. Imshaug 25944 1960-5
FH: 00430053 Lecanora symmicta (Acharius) Acharius USA: Michigan [data not captured] H. A. Imshaug 3071 A 1949-7-13
FH: 00494527 Lecanora verruculosa Baglietto USA: Montana [data not captured] H. A. Imshaug 7991 1950-8-4
FH: 00494528 Lecanora verruculosa Baglietto USA: Montana [data not captured] H. A. Imshaug 6503 1950-7-5
FH: 00476123 Pyrrhospora elabens (Fries) Hafellner: Fries USA: Michigan [data not captured] H. A. Imshaug 5226A 1949-9-18
FH: 00476123 Ramboldia elabens (Fries) Kantvilas & Elix USA: Michigan [data not captured] H. A. Imshaug 5226A 1949-9-18
Lecideaceae FH: 00419969 Bacidia schweinitzii (Fries ex Tuckerman) A. Schneider USA: Michigan [data not captured] H. A. Imshaug 25467 1959
Massalongiaceae FH: 00453603 Massalongia carnosa (Dickson) Körber USA: Alaska [data not captured] H. A. Imshaug 28417 1962-7-8
FH: 00453605 Massalongia carnosa (Dickson) Körber USA: Washington [data not captured] H. A. Imshaug 470 1948-7-21
Mastodiaceae FH: 01006109 Kohlmeyera complicatula (Nylander) S. Schatz : Antarctica: Ile Longue: coast of Pointe Abel... H. A. Imshaug 49307 1971-3-22
FH: 01006109 Mastodia tessellata (Hooker f. & Harvey) Hooker f. & Harvey : Antarctica: Ile Longue: coast of Pointe Abel... H. A. Imshaug 49307 1971-3-22
Ochrolechiaceae FH: 00455542 Ochrolechia frigida (Swartz) Lynge USA: Wyoming [data not captured] H. A. Imshaug 9628 1950-9-1
FH: 00455788 Ochrolechia upsaliensis (Linnaeus) A. Massalongo USA: Montana [data not captured] H. A. Imshaug 6549 1950-7-5
FH: 00455789 Ochrolechia upsaliensis (Linnaeus) A. Massalongo USA: Montana [data not captured] H. A. Imshaug 6242 1950-6-24
FH: 00455790 Ochrolechia upsaliensis (Linnaeus) A. Massalongo USA: Montana [data not captured] H. A. Imshaug 5660 1950-6-19
FH: 00455791 Ochrolechia upsaliensis (Linnaeus) A. Massalongo USA: Montana [data not captured] H. A. Imshaug 5495 1950-6-16
FH: 00455792 Ochrolechia upsaliensis (Linnaeus) A. Massalongo USA: Montana [data not captured] H. A. Imshaug 8033 1950-8-4
FH: 00455793 Ochrolechia upsaliensis (Linnaeus) A. Massalongo USA: Wyoming [data not captured] H. A. Imshaug 9616 1950-9-1
Opegraphaceae FH: 00467141 Opegrapha varia Persoon USA: Iowa [data not captured] H. A. Imshaug 27994 1961-9-8
Pannariaceae FH: 00437275 Fuscopannaria praetermissa (Nylander) P. M. Jørgensen USA: Washington [data not captured] H. A. Imshaug 1198 1948
FH: 00474571 Protopannaria pezizoides (Weber ex F. H. Wiggers) P. M. Jørgensen & S. Ekman Canada: Alberta [data not captured] H. A. Imshaug 6759 1950-7-12
FH: 00474574 Protopannaria pezizoides (Weber ex F. H. Wiggers) P. M. Jørgensen & S. Ekman Canada: British Columbia [data not captured] H. A. Imshaug 6706 1950-7-11
FH: 00474549 Protopannaria pezizoides (Weber ex F. H. Wiggers) P. M. Jørgensen & S. Ekman USA: Colorado [data not captured] H. A. Imshaug 10816 1952-7-9
FH: 00474569 Protopannaria pezizoides (Weber ex F. H. Wiggers) P. M. Jørgensen & S. Ekman USA: Washington [data not captured] H. A. Imshaug 369 1948-7-17
FH: 00475223 Psoroma hypnorum (Vahl) Gray USA: Montana [data not captured] H. A. Imshaug 5861 1950-6-21
FH: 00475227 Psoroma hypnorum (Vahl) Gray USA: Montana [data not captured] H. A. Imshaug 6414 1950-7-3
Parmeliaceae FH: 00409964 Cetraria arborialis (G. Merrill) G. E. Howard USA: Washington [data not captured] H. A. Imshaug 267 1948
FH: 00409965 Cetraria arborialis (G. Merrill) G. E. Howard USA: Washington [data not captured] H. A. Imshaug 1876 1948
FH: 00409966 Cetraria arborialis (G. Merrill) G. E. Howard USA: Washington [data not captured] H. A. Imshaug 261 1948
FH: 00413106 Cetraria ericetorum reticulata (Räsänen) Kärnefelt USA: Washington Mt. Rainier: [data not captured] H. A. Imshaug 1461 1948
FH: 00413107 Cetraria ericetorum reticulata (Räsänen) Kärnefelt USA: Washington [data not captured] H. A. Imshaug 181 1948
FH: 00453750 Cetrariella commixta (Nylander) A. Thell & I. Kärnefelt USA: Washington [data not captured] H. A. Imshaug 1388 1948-8-12
FH: 00439731 Flavocetraria nivalis (Linnaeus) Kärnefelt & A. Thell USA: Alaska [data not captured] H. A. Imshaug 28807 1962
FH: 00438915 Kaernefeltia merrillii (Du Rietz) A. Thell & Goward USA: Washington [data not captured] H. A. Imshaug 361 1948-7-17
FH: 00453838 Melanohalea exasperatula (Nylander) O. Blanco, A. Crespo, P. K. Divakar, Esslinger, D. Hawksworth & Lumbsch USA: Michigan [data not captured] H. A. Imshaug 58950 1976-7-13
FH: 00453911 Melanohalea multispora (A. Schneider) O. Blanco, A. Crespo, P. K. Divakar, Esslinger, D. Hawksworth & Lumbsch USA: Washington [data not captured] H. A. Imshaug 1948-7-20
FH: 00453965 Montanelia sorediata (Acharius) Divakar, A. Crespo, Wedin & Esslinger USA: Michigan [data not captured] H. A. Imshaug 5351 1949-9-19
FH: 00259902 Nodobryoria abbreviata (Müller Argoviensis) Common & Brodo Canada: Alberta Waterton Lakes National Park, Rocky Mountain... H. A. Imshaug 6109 1950-6-27
FH: 00467638 Parmelia fraudans (Nylander) Nylander Canada: Quebec Province [data not captured] H. A. Imshaug 60511 1977-9-3
FH: 00468408 Parmelia saxatilis (Linnaeus) Acharius Canada: Ontario [data not captured] H. A. Imshaug 4260 1949-9-1
FH: 00468413 Parmelia saxatilis (Linnaeus) Acharius Canada: Ontario [data not captured] H. A. Imshaug 4132 1949-8-30
FH: 00468414 Parmelia saxatilis (Linnaeus) Acharius USA: Michigan [data not captured] H. A. Imshaug 2721 1949-6-22
FH: 00468415 Parmelia saxatilis (Linnaeus) Acharius USA: Michigan [data not captured] H. A. Imshaug 5344 1949-9-19
FH: 00468417 Parmelia saxatilis (Linnaeus) Acharius USA: Michigan [data not captured] H. A. Imshaug 3348 1949-8-14
FH: 00468418 Parmelia saxatilis (Linnaeus) Acharius USA: Michigan [data not captured] H. A. Imshaug 4602 1949-9-6
FH: 00468757 Parmelia sulcata Taylor USA: Michigan [data not captured] H. A. Imshaug 2758 1949-6-22
FH: 00468758 Parmelia sulcata Taylor USA: Michigan [data not captured] H. A. Imshaug 3747 1949-8-20
FH: 00468759 Parmelia sulcata Taylor USA: Michigan [data not captured] H. A. Imshaug 5166 1949-9-17
FH: 00468762 Parmelia sulcata Taylor USA: Michigan [data not captured] H. A. Imshaug 58583 1975-6-29
FH: 00468771 Parmelia sulcata Taylor USA: Michigan [data not captured] H. A. Imshaug 3170 1949-7-16
FH: 00468772 Parmelia sulcata Taylor USA: Michigan [data not captured] H. A. Imshaug 4380 1949-9-4
FH: 00469017 Parmeliopsis ambigua (Wulfen) Nylander Canada: Ontario Algoma District: [data not captured] H. A. Imshaug 58443 1975-6-28
FH: 00469061 Parmeliopsis capitata R. C. Harris ex J. W. Hinds & P. L. Hinds Canada: Ontario Timiskaming District: woods north of Sausage... H. A. Imshaug 60615 1977-9-5
FH: 00469085 Parmeliopsis hyperopta (Acharius) Vainio Canada: Ontario Timiskaming District: [data not captured] H. A. Imshaug 60605 1977-9-5
FH: 00469112 Parmeliopsis hyperopta (Acharius) Vainio USA: Washington [data not captured] H. A. Imshaug 1942 1948-8-21
FH: 00474598 Protoparmelia badia (Hoffmann) Hafellner Canada: Alberta [data not captured] H. A. Imshaug 6790-A 1950-7-12
FH: 00468065 Pseudephebe pubescens (Linnaeus) M. Choisy USA: Washington [data not captured] H. A. Imshaug 360 1948-7-17
FH: 00492124 Tuckermannopsis americana (Sprengel) Hale USA: Michigan [data not captured] H. A. Imshaug 58759 1976-7-12
FH: 00492230 Tuckermannopsis ciliaris (Acharius) Gyelnik Canada: Quebec Province [data not captured] H. A. Imshaug 60219 1977-9-1
FH: 00492323 Tuckermannopsis ciliaris (Acharius) Gyelnik USA: Michigan [data not captured] H. A. Imshaug 4336 1949-9-4
FH: 00492324 Tuckermannopsis ciliaris (Acharius) Gyelnik USA: Michigan [data not captured] H. A. Imshaug 3872 1949-8-23
FH: 00492325 Tuckermannopsis ciliaris (Acharius) Gyelnik USA: Michigan [data not captured] H. A. Imshaug 4045 1949-8-26
FH: 00493317 Usnea alpina Motyka USA: Montana [data not captured] H. A. Imshaug 8188 1950-8-5
FH: 00493318 Usnea alpina Motyka USA: Montana [data not captured] H. A. Imshaug 7166a 1950-7-18
FH: 00493628 Usnea dasopoga (Acharius) Nylander USA: Michigan [data not captured] H. A. Imshaug 58885 B 1976-7-12
FH: 00493629 Usnea dasopoga (Acharius) Nylander USA: Michigan [data not captured] H. A. Imshaug 58882 B 1976-7-12
FH: 00493605 Usnea dasopoga bicolor (Motyka) Grummann USA: Washington [data not captured] H. A. Imshaug 1839 1948-8-20
FH: 00493628 Usnea filipendula Stirton USA: Michigan [data not captured] H. A. Imshaug 58885 B 1976-7-12
FH: 00493629 Usnea filipendula Stirton USA: Michigan [data not captured] H. A. Imshaug 58882 B 1976-7-12
FH: 00493745 Usnea laricina Vainio ex Räsänen USA: Montana [data not captured] H. A. Imshaug 6316 1950-7-1
FH: 00493746 Usnea laricina Vainio ex Räsänen USA: Wyoming [data not captured] H. A. Imshaug 9108 1950-8-25
FH: 00493747 Usnea laricina Vainio ex Räsänen USA: Montana [data not captured] H. A. Imshaug 5553 1950-6-16
FH: 00493748 Usnea laricina Vainio ex Räsänen USA: Montana [data not captured] H. A. Imshaug 5814 1950-6-21
FH: 00493786 Usnea longissima Acharius USA: Alaska [data not captured] H. A. Imshaug 28623 1962-7-13
FH: 00493949 Usnea subfloridana Stirton USA: Michigan [data not captured] H. A. Imshaug 58743A 1976-7-12
Peltigeraceae FH: 00478839 Solorina crocea (Linnaeus) Acharius USA: Washington [data not captured] H. A. Imshaug 171 1948
FH: 00478840 Solorina crocea (Linnaeus) Acharius USA: Washington [data not captured] H. A. Imshaug 1533 1948-8-16
FH: 00478860 Solorina crocea (Linnaeus) Acharius USA: Alaska [data not captured] H. A. Imshaug 28788 1962-7-17
Pertusariaceae FH: 00470976 Pertusaria amara (Acharius) Nylander Canada: Ontario Algoma District: [data not captured] H. A. Imshaug 58474 1975-6-29
FH: 00470977 Pertusaria amara (Acharius) Nylander Canada: Ontario Algonquin Provincial Park: [data not capture... H. A. Imshaug 26827 1960-9
FH: 00470978 Pertusaria amara (Acharius) Nylander USA: Michigan [data not captured] H. A. Imshaug 58870 1976-7-12
FH: 00471444 Pertusaria pertusa (Linnaeus) Tuckerman Canada: Ontario [data not captured] H. A. Imshaug 26924 1960-9
Physciaceae FH: 00478356 Phaeorrhiza nimbosa (Fries) H. Mayrhofer & Poelt Canada: Alberta [data not captured] H. A. Imshaug 6611 1950-7-9
FH: 00478354 Phaeorrhiza nimbosa (Fries) H. Mayrhofer & Poelt USA: Montana [data not captured] H. A. Imshaug 8064 1950-8-4
FH: 00478355 Phaeorrhiza nimbosa (Fries) H. Mayrhofer & Poelt USA: Wyoming [data not captured] H. A. Imshaug 9331 1950-8-28
FH: 00478357 Phaeorrhiza nimbosa (Fries) H. Mayrhofer & Poelt USA: Montana [data not captured] H. A. Imshaug 6497 1950-7-5
Ramalinaceae FH: 00438859 Japewia tornoënsis (Nylander) Toensberg Canada: Ontario [data not captured] H. A. Imshaug 60602 1977
Sphaerophoraceae FH: 00479049 Sphaerophorus globosus (Hudson) Vainio USA: Washington [data not captured] H. A. Imshaug 132 1948-7-7
Stereocaulaceae FH: 00479380 Stereocaulon alpinum Laurer Canada: Alberta [data not captured] H. A. Imshaug 6780 1950-7-12
FH: 00479381 Stereocaulon alpinum Laurer Canada: Alberta [data not captured] H. A. Imshaug 6958 1950-7-16
FH: 00479356 Stereocaulon arcticum Lynge USA: Alaska [data not captured] H. A. Imshaug 28915 1962-7-19
FH: 00479427 Stereocaulon botryosum congestum (H. Magnusson) Frey Canada: Alberta [data not captured] H. A. Imshaug 7086 1950
FH: 00479439 Stereocaulon condensatum Hoffmann USA: Alaska [data not captured] H. A. Imshaug 28899 1962
FH: 00302326 Stereocaulon cymosum Crombie : Kerguelen Island: Peninsule Courbet, summit ... H. A. Imshaug 48874 1971
FH: 00479590 Stereocaulon glareosum (Savicz) H. Magnusson USA: Montana [data not captured] H. A. Imshaug 6352 1950-7-2
FH: 00479592 Stereocaulon glareosum (Savicz) H. Magnusson USA: Wyoming [data not captured] H. A. Imshaug 19122 1956
FH: 00479593 Stereocaulon glareosum (Savicz) H. Magnusson USA: Oregon [data not captured] H. A. Imshaug 18382 1955-7-31
FH: 00479610 Stereocaulon glareosum brachyphylloides I. M. Lamb USA: Colorado [data not captured] H. A. Imshaug 12163 1952-8-7
FH: 00479611 Stereocaulon glareosum brachyphylloides I. M. Lamb USA: Colorado [data not captured] H. A. Imshaug 17139 1954-8-24
FH: 00479612 Stereocaulon glareosum brachyphylloides I. M. Lamb USA: Colorado [data not captured] H. A. Imshaug 11859 1952-8-2
FH: 00479617 Stereocaulon glareosum brachyphylloides I. M. Lamb USA: Washington [data not captured] H. A. Imshaug 18651 1955-8-17
FH: 00479664 Stereocaulon intermedium (Savicz) H. Magnusson USA: Washington [data not captured] H. A. Imshaug 680 1948
FH: 00479683 Stereocaulon intermedium compactum I. M. Lamb USA: Washington [data not captured] H. A. Imshaug 1892 1948
FH: 00479889 Stereocaulon paschale (Linnaeus) Hoffmann USA: Montana [data not captured] H. A. Imshaug 7697 1950-7-31
FH: 00480018 Stereocaulon rivulorum H. Magnusson USA: Alaska [data not captured] H. A. Imshaug 28165 1962
FH: 00480030 Stereocaulon sasakii tomentosoides I. M. Lamb USA: Colorado [data not captured] H. A. Imshaug 12137 1952-8-6
FH: 00480033 Stereocaulon sasakii tomentosoides I. M. Lamb USA: New Mexico [data not captured] H. A. Imshaug 12578 1952
FH: 00480154 Stereocaulon saxatile H. Magnusson Canada: Ontario [data not captured] H. A. Imshaug 24288 1959-6-20
FH: 00480168 Stereocaulon saxatile H. Magnusson Canada: Ontario [data not captured] H. A. Imshaug 24288 1959
FH: 00480170 Stereocaulon saxatile H. Magnusson USA: Michigan [data not captured] H. A. Imshaug 3104 1949-7-13
FH: 00480172 Stereocaulon saxatile H. Magnusson USA: Michigan [data not captured] H. A. Imshaug 4378 1949-9-4
FH: 00480238 Stereocaulon symphycheilum I. M. Lamb USA: Alaska [data not captured] H. A. Imshaug 29032 1962
FH: 00480243 Stereocaulon symphycheilum I. M. Lamb USA: Alaska [data not captured] H. A. Imshaug 29031 1962
FH: 00480380 Stereocaulon tomentosum Th. Fries Canada: Alberta Banff: [data not captured] H. A. Imshaug 6648 1950-7-9
FH: 00480385 Stereocaulon tomentosum Th. Fries Canada: British Columbia [data not captured] H. A. Imshaug 6708 1950-7-11
FH: 00480396 Stereocaulon tomentosum Th. Fries Canada: Alberta [data not captured] H. A. Imshaug 7092 1950-7-17
FH: 00480398 Stereocaulon tomentosum Th. Fries Canada: Alberta Banff: [data not captured] H. A. Imshaug 6840 1950-7-12
FH: 00480421 Stereocaulon tomentosum Th. Fries USA: Washington [data not captured] H. A. Imshaug 1676 1948-8-18
FH: 00480422 Stereocaulon tomentosum Th. Fries USA: Washington [data not captured] H. A. Imshaug 133 1948-7-7
Stictidaceae FH: 00393454 Conotrema urceolatum (Acharius) Tuckerman USA: Michigan [data not captured] H. A. Imshaug 5268 1949-9-19
FH: 00393455 Conotrema urceolatum (Acharius) Tuckerman USA: Michigan [data not captured] H. A. Imshaug 3236 1949-7-31
FH: 00393459 Conotrema urceolatum (Acharius) Tuckerman USA: Michigan [data not captured] H. A. Imshaug 3674 1949-8-19
FH: 00393460 Conotrema urceolatum (Acharius) Tuckerman USA: Michigan [data not captured] H. A. Imshaug 5083 1949-9-14
FH: 00393454 Stictis urceolata (Acharius) Gilenstam USA: Michigan [data not captured] H. A. Imshaug 5268 1949-9-19
FH: 00393455 Stictis urceolata (Acharius) Gilenstam USA: Michigan [data not captured] H. A. Imshaug 3236 1949-7-31
FH: 00393459 Stictis urceolata (Acharius) Gilenstam USA: Michigan [data not captured] H. A. Imshaug 3674 1949-8-19
FH: 00393460 Stictis urceolata (Acharius) Gilenstam USA: Michigan [data not captured] H. A. Imshaug 5083 1949-9-14
Umbilicariaceae FH: 00455844 Omphalodiscus virginis (Schrader) Scholander USA: Washington [data not captured] H. A. Imshaug 2077 1948-8-28
Usneaceae FH: 00476962 Ramalina intermedia (Delise ex Nylander) Nylander Canada: Ontario [data not captured] H. A. Imshaug 59792 1976-8-16