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Data set(s): RLL + Mattick + Supplement
Author: T h o m s o n , J W | T h o m s o n , J W

  • Thomson,J W 1933: The lichen clan. - School Nature League Bulletin\ 3: 1-3. [Mattick Rec.# 31904]
    Abstract: (revised and printed 1939)
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  • Thomson,J W 1934: Field trip of December 10. - Torreya\ 34: 21-22. [Mattick Rec.# 31675]
    Keywords: USA
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  • Thomson,J W 1941: Trip of May 4, 1941, to Chester, N.Y. - Torreya\ 41: 137-138. [Mattick Rec.# 31676]
    Keywords: NEW YORK\USA
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  • Thomson,J W 1942: The lichen genus Cladonia in Wisconsin. - American Midland Naturalist\Amer. Midl. Naturalist 27, 3: 696-709. [Mattick Rec.# 30237]
    Keywords: CLADONIA\USA\WISCONSIN
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  • Thomson,J W 1943: Parmelia stygia (L.) Ach. in New Jersey. - The Bryologist\ 46: 46. [Mattick Rec.# 30238]
    Keywords: NEW JERSEY\PARMELIA\USA
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  • Thomson,J W 1944: Some lichens from Central Pennsylvania. - The Bryologist\ 47: 122-129. [Mattick Rec.# 30239]
    Keywords: PENNSYLVANIA\USA
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  • Thomson,J W 1946: The Wisconsin species of Peltigera. Papers on Wisconsin lichens, No. 2. - \Trans. Wisc. Ac. Sc. Lett. 38: 249-272. [Mattick Rec.# 30240]
    Keywords: PELTIGERA\USA\WISCONSIN
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  • Thomson,J W 1948: Experiments upon the regeneration of certain species of Peltigera and their relationship to the taxonomy of this genus. - \Torrey Bot. Club 75, 5: 486-491. [Mattick Rec.# 30241]
    Keywords: PELTIGERA\REGENERATION
    [E-mail correction] [Upload PDF/URL] [ET: 1724]

  • Thomson, JW 1949: The Teloschistaceae of Wisconsin. Papers on Wisconsin lichens. III. - Amer. Midland Nat. 41(3): 706-713. [RLL List # 1 / Rec.# 18453]
    Keywords: WISCONSIN/ TELOSCHISTACEAE
    Abstract: 5 fig. [5 species, 2 varieties, 2 forms.]
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  • Thomson, JW 1950: Some additional records of lichens from Alaska collected by Walter J. Eyerdam. - The Bryologist 53(1): 9-15. [RLL List # 1 / Rec.# 18454]
    Keywords: ALASKA/ THELIDIUM/ NEW TAXA
    Abstract: [68 species. New: Thelidium areolatum sp. nov.]
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  • Thomson, JW 1950: The species of Peltigera in North America north of Mexico. - Amer. Midland Nat. 44(1): 1-68. [RLL List # 1 / Rec.# 18455]
    Keywords: PELTIGERA/ NORTH AMERICA/ NEW TAXA/ KEYS
    Abstract: 15 fig. [12 species, 15 varieties, 13 forms. New: Peltigera malacea fo. prolifera fo. nov., P. membranacea fo. prolifera fo. nov., P. scabrosa fo. regenerana fo. nov.]
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  • Thomson, JW 1951: Some lichens from the Keweenaw Peninsula, Michigan. - The Bryologist 54(1): 17-53. [RLL List # 2 / Rec.# 18456]
    Keywords: KEWEENAW PENINSULA/ MICHIGAN/ FLORA
    Abstract: [226 species, varieties, and forms.]
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  • Thomson, JW 1953: Lichens of Arctic America. I. Lichens from west of Hudson's Bay. - The Bryologist 56(1): 8-36. [RLL List # 8 / Rec.# 18457]
    Keywords: CANADA/ NORTHWEST TERRITORIES/ ARCTIC
    Abstract: [248 taxa.]
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  • Thomson, JW 1954: Lichens of the 1951 foray to the North Shore of Lake Superior. - The Bryologist 57(4): 278-291. [RLL List # 14 / Rec.# 18458]
    Keywords: MINNESOTA/ CANADA/ FORAY REPORT/ LAKE SUPERIOR/ GREAT LAKES
    Abstract: [188 taxa.]
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  • Thomson, JW 1955: Lichens of Arctic America. II. Additions to records of lichen distribution in the Canadian eastern Arctic. - The Bryologist 58(3): 246-259. [RLL List # 17 / Rec.# 18459]
    Keywords: ARCTIC/ CANADA/ DISTRIBUTION
    Abstract: [153 taxa.]
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  • Thomson, JW 1955: Peltigera pulverulenta (Tayl.) Nyl. takes precedence over Peltigera scabrosa T. Fr. and becomes of considerable phytogeographic interest. - The Bryologist 58(1): 45-49. [RLL List # 15 / Rec.# 18460]
    Keywords: PELTIGERA/ DISTRIBUTION/ PHYTOGEOGRAPHY
    Abstract: 1 fig.
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  • Thomson, JW 1956: Lichens of arctic America. III. A collection of lichens from Southampton Island by J. C. Ritchie. - The Bryologist 59(3): 222-226. [RLL List # 21 / Rec.# 18461]
    Keywords: SOUTHAMPTON ISLAND/ ARCTIC/ NORTH AMERICA/ CANADA
    Abstract: [57 taxa.]
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  • Thomson, JW 1956: Usnea diplotypus Vainio in North America. - The Bryologist 559(3): 221-222. [RLL List # 21 / Rec.# 18462]
    Keywords: USNEA DIPLOTYPUS/ NORTH AMERICA
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  • Thomson, JW/ Ketchledge, EH 1958: The 1957 forays of the American Bryological Society on the Santa Cruz Peninsula, California. - The Bryologist 61(2): 155-161. [RLL List # 28 / Rec.# 18440]
    Keywords: CALIFORNIA/ FORAY REPORT/ ABLS/ SANTA CRUZ PENINSULA
    Abstract: 1 fig. [Many lichens.]
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  • Thomson, JW 1958: An Ilustrated Key to Common Lichens. - Audubon Nature Bull., Ser. 27, No. 2. 4 pp. [RLL List # 30 / Rec.# 18463]
    Keywords: POPULAR/ GUIDE/ KEY
    Abstract: Price: 15 cents. 50 fig. [Key to 50 species.]
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  • Miller, HA/ Thomson, JW 1959: The 1958 foray of the American Bryological Society. - The Bryologist 62(1): 67-73. [RLL List # 31 / Rec.# 12809]
    Keywords: INDIANA/ FORAY REPORT/ ABLS
    Abstract: 1 fig. [Many lichens and bryophytes from Greencastle, Indiana.]
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  • Thomson, JW 1959: Evolution in the lichen genus Physcia. - Proc. IX International Bot. Congr. [Montreal] 2: 397-398. [RLL List # 38 / Rec.# 18464]
    Keywords: PHYSCIA/ EVOLUTION
    Abstract: [Abstract.]
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  • Thomson, JW 1959: Evolution of the lichen genus Physcia. - In: : Recent Advances in Botany, Vol. I. IX International Botanical Congress, University of Toronto Press, Toronto, pp. 267-271. [RLL List # 42 / Rec.# 18465]
    Keywords: PHYSCIA/ EVOLUTION
    Abstract: [Abstract.]
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  • Thomson, JW 1960: Lichen of arctic America. IV. Lichens collected mainly by A. Innes-Taylor in Greenland and the Canadian archipelago. - The Bryologist 63(3): 181-188. [RLL List # 37 / Rec.# 18467]
    Keywords: CANADA/ ARCTIC/ GREENLAND
    Abstract: [88 species.]
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  • Thomson, JW 1960: Lichenes Arctici. - Madison, Wisconsin. 10 unnumbered pp. [RLL List # 35 / Rec.# 18468]
    Keywords: EXSICCAT/ NORTH AMERICA/ ARCTIC/ THOMSON
    Abstract: [Labels for 60 exsiccat numbers from the American arctic. Processed publication.]
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  • Thomson, JW/ Scotter, GW 1961: Lichens of northern Saskatchewan. - The Bryologist 64(2/3): 240-247. [RLL List # 40 / Rec.# 18444]
    Keywords: CANADA/ SASKATCHEWAN/ ARCTIC/ FLORA
    Abstract: 1 fig. [114 taxa.]
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  • Thomson, JW 1961: Lichens collected in Oklahoma at the time of the American Bryological Society Meetings. - The Bryologist 64(2/3): 255-262. [RLL List # 40 / Rec.# 18469]
    Keywords: OKLAHOMA/ FORAY REPORT
    Abstract: [About 133 taxa.]
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  • Thomson, JW 1963: Modern species concepts: lichens. - The Bryologist 66(3): 94-100. [RLL List # 48 / Rec.# 18471]
    Keywords: SPECIES CONCEPTS/ TAXONOMY/ REVIEW
    Abstract: [Review article.]
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  • Thomson, JW 1963: The Lichen Genus Physcia in North America. - Beihefte zur Nova Hedwigia, Heft 7. J. Cramer.. viii + 172 pp. [RLL List # 46 / Rec.# 18472]
    Keywords: PHYSCIA/ NORTH AMERICA/ KEYS/ PHYSCIACEAE/ NEW TAXA
    Abstract: 47 maps. 47 fig. on 27 pl. [Price: $15.00. Recognition of 47 species; keys. New: Physcia syncolla fo. aurantiacopulchra fo. nov., P. elaeina fo. pyrithocardia (Mull. Arg.) comb. nov., P. sect. Brachysperma subsect. Albida (Vain.) stat. nov. and subsect. Sordulenta (Vain.) stat. nov., P. phaea (Tuck.) comb. nov., P. halei sp. nov., P. subtilis fo. ascendens fo. nov., P. intermedia fo. stellata (Lynge) comb. nov., P. albicans (Pers.) comb. nov. with fo. hypomela (Tuck.) comb. ov., P. pseudospeciosa sp. nov., P. ciliata fo. fibrillosa fo. nov., fo. erythrocardia (Tuck.) comb. nov., fo. delicatula fo. nov., fo. squamulosa fo. nov., P. endococcinea fo. lithotodes (Vain.) comb. nov., P. orbicularis fo. albociliata (B. de Lesd.) comb. nov., P. sciastra fo. salina (Erichs.) comb. nov., P. pulverulenta fo. superfusa (Zahlbr.) comb. nov., P. muscigena fo. isidiata (Lynge) stat. nov., P. grisea fo. isidigera (Zahlbr.) comb. nov., P. picta fo. erythrocardia (Tuck.) stat. nov.]
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  • Redfearn, PL/ Thomson, JW 1965: The 1963 foray of the American Bryological Society in New York. - The Bryologist 68(1): 119-124. [RLL List # 53 / Rec.# 15454]
    Keywords: ABLS/ FORAY/ NEW YORK/ FLORA
    Abstract: [Many lichens.]
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  • Thomson, JW 1965: Must the name Cladonia sylvatica (L.) Hoffm. be abandoned?. - Taxon 14(7): 228-231. [RLL List # 56 / Rec.# 18473]
    Keywords: CLADONIA SYLVATICA/ TAXONOMY/ NOMENCLATURE
    Abstract: [No, the author concludes.]
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  • Thomson, JW 1966: The relationship of Baeomyces fuscorufescens Vainio and B. carneus (Retz.) Florke. - Mem. Soc. Fauna & Fl. Fenn. 42: 49-53. [RLL List # 64 / Rec.# 18474]
    Keywords: BAEOMYCES/ NOMENCLATURE/ TAXONOMY
    [Edit/Delete] [Upload PDF/URL] [ET: 1328]

  • Thomson, JW 1967: Notes on Rhizocarpon in the Arctic. - Nova Hedwigia 14: 421-481. [RLL List # 69 / Rec.# 18475]
    Keywords: RHIZOCARPON/ NEW TAXA/ KEYS/ ARCTIC
    Abstract: 45 species; key. [New: Rhizocarpon alaxensis sp. nov., R. cummulatum sp. nov., R. sect. Superficiale (Runem.) stat. nov., sect. Alpicola (Runem.) stat. nov., sect. Viridiatrum (Runem.) stat. nov., subgen. Phaeothallus subgen. nov., sect. Rittokense sect. nov., sect. Albothallus sect. nov., sect. Fuscothallus sect. nov., R. riparium subsp. lindsayanum (Ras.) comb. nov.]
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  • Thomson, JW 1967: The lichen genus Baeomyces in North America north of Mexico. - The Bryologist 70: 285-298. [RLL List # 65 / Rec.# 18476]
    Keywords: BAEOMYCES/ NORTH AMERICA/ KEY
    Abstract: 12 fig. [Recognition of 5 species; key.]
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  • Thomson, JW 1967: The Lichen Genus Cladonia in North America. - University of Toronto Press, Toronto. xi + 172 pp. [RLL List # 66 / Rec.# 18477]
    Keywords: CLADONIA/ NORTH AMERICA/ KEYS/ NEW TAXA/ CHEMISTRY/ FLORA
    Abstract: 60 fig. 26 pl. [Price: $12.75. Recognition of 116 species; keys. New: Cladonia floerkeana f. intermedia (Hepp) comb. nov., f. carcata (Ach.) comb. nov., C. cristatella f. epiphylla f. nov., C. polycarpoides f. squamulosa (Robb.) comb. nov., f. pleurocarpa (Robb.) comb. nov., f. ramosa (Dix) comb. nov., f. epiphylla (Robb.) comb. nov., C. macrophylla f. mougeotii (Del.) comb. nov., C. phyllophora f. euphorea (Ach.) comb. nov., f. polyphaea (Ach.) comb. nov., C. subulata f. radiata (Schreb.) comb. nov., f. repetio-prolifera (Sandst.) comb. nov., f. anablastemica (Wallr.) comb. nov., C. crispata f. infundibulifera (Schaer.) comb. nov., f. cetrariaeformis (Del.) comb. nov.]
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  • Thomson, JW/ Iltis, HH 1968: A fog-induced lichen community in the coastal desert of southern Peru. - The Bryologist 71: 31-34. [RLL List # 67 / Rec.# 18439]
    Keywords: PERU/ TELOSCHISTES PERUENSIS/ NEW TAXA/ COASTAL DESERT
    Abstract: 2 fig. [New: Teloschistes peruensis (Ach.) Thoms. comb. nov.]
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  • Thomson, JW 1968: Haematomma lapponicum Ras. in North America. - Jour. Jap. Bot. 43: 305-310. [RLL List # 70 / Rec.# 18478]
    Keywords: HAEMATOMMA LAPPONICUM/ NORTH AMERICA/ DISTRIBUTION
    Abstract: 4 fig.
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  • Thomson, JW/ Scotter, GW/ Ahti, T 1969: Lichens of the Great Slave Lake region, Northwest Territories, Canada. - The Bryologist 72: 137-177. [RLL List # 72 / Rec.# 18443]
    Keywords: KEYS/ CANADA/ GREAT SLAVE LAKE/ NORTHWEST TERRITORIES/ HYPOGYMNIA/ NEW TAXA
    Abstract: 9 fig. [345 species; some keys. New: Hypogymnia physodes f. elegans (Mereschk.) Thoms. comb. nov.]
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  • Thomson, JW 1969: A Catalogue of Lichens of the State of Washington. - Department of Botany, University of Wisconsin, Madison. 59 pp. [RLL List # 71 / Rec.# 18479]
    Keywords: WASHINGTON/ CATALOG/ IBC
    Abstract: [Privately published brochure listing all lichens reported from the state of Washington, for the information of participants in the lichenological field trip in connection with the XI International Botanical Congress in Seattle.]
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  • Thomson, JW 1969: Letharia californica is Letharia columbiana (Lichenes). - Taxon 18: 535-537. [RLL List # 73 / Rec.# 18480]
    Keywords: LETHARIA COLUMBIANA/ LETHARIA CALIFORNICA/ NEW TAXA
    Abstract: [New: Letharia columbiana (Nutt.) comb. nov.]
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  • Thomson, JW 1970: Baeomyces weberi, a new species from New Guinea. - The Bryologist 73: 632-634. [RLL List # 77 / Rec.# 18481]
    Keywords: BAEOMYCES WEBERI/ NEW GUINEA/ NEW TAXA
    Abstract: 1 fig. [New: Baeomyces weberi sp. nov.]
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  • Thomson, JW 1970: Iceland "moss" in Wisconsin. - Bot. Club Wisconsin, Newsletter 2(4): 2-3. [RLL List # 77 / Rec.# 18482]
    Keywords: CETRARIA ISLANDICA/ WISCONSIN
    Abstract: 1 fig.
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  • Thomson, JW 1970: Lichens from the vicinity of Coppermine, Northwest Territories. - Canad. Field-Nat. 84: 155-164. [RLL List # 79 / Rec.# 18483]
    Keywords: COPPERMINE/ NORTHWEST TERRITORIES/ CANADA/ FLORA
    Abstract: 6 fig. [196 species.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1332]

  • Hoefs, M/ Thomson, JW 1972: Lichens from the Kluane Game Sanctuary, S.W. Yukon Territory. - Canad. Field-Nat. 86: 249-252. [RLL List # 84 / Rec.# 8591]
    Keywords: CANADA/ YUKON/ KLUANE GAME SANCTUARY
    Abstract: 1 fig. [About 55 species.]
    [Edit/Delete] [Upload PDF/URL] [ET: 611]

  • Thomson, JW 1972: Distribution patterns of American Arctic lichens. - Canad. Jour. Bot. 50: 1135-1156. [RLL List # 83 / Rec.# 18484]
    Keywords: DISTRIBUTIONS/ ARCTIC/ NORTH AMERICA/ MAPPING
    Abstract: 16 fig. [Review paper.]
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  • Thomson, JW 1972: Lichens out of Wisconsin's past. - Wisconsin Academy Review 19, 4: 20-24. [RLL Suppl. Rec.# 80]
    [E-mail correction] [Upload PDF/URL] [ET: 1327]

  • Thomson, JW 1972: Two new secies of Lecidea and one of Lecanora from the north slope of Alaska. - The Bryologist 75: 354-359. [RLL List # 83 / Rec.# 18485]
    Keywords: LECIDEA/ LECANORA/ NEW TAXA/ ALASKA/ ASPICILIA
    Abstract: 4 fig. [New: Lecidea carbonoidea sp. nov., L. shushanii sp. nov., Lecanora (Aspicilia) concinnum sp. nov.]
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  • Thomson, JW 1973: Notes on American arctic species of Candelariella. - Rev. Fac. Cien. Lisboa, 2a. Ser. 17: 747-759. [RLL List # 100 / Rec.# 18486]
    Keywords: CANDELARIELLA/ ARCTIC/ NORTH AMERICA/ KEY
    Abstract: 1 figure. [8 species; key.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1333]

  • Thomson, JW 1974: Lichenology in North America 1947-1972. - Ann. Missouri Bot. Gard. 61: 45-55. [RLL List # 90 / Rec.# 18487]
    Keywords: LICHENOLOGY / HISTORY / SYMPOSIUM / LITERATURE
    Abstract: [Part of the symposium "25 Years of Botany, 1947-1972". Many references.]
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  • Barrett, PE/ Thomson, JW 1975: Lichens from a high arctic coastal lowland, Devon Island, N.W.T. - The Bryologist 78: 160-167. [RLL List # 93-6 / Rec.# 1565]
    Keywords: ARCTIC/ DEVON ISLAND/ CANADA/ NORTHWEST TERRITORIES
    Abstract: 4 fig. [182 species.]
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  • Weber, WA/ Thomson, JW 1975: Physcia duplicorticata Weber & Thomson sp. nov. from California. - Mycotaxon 3: 102-104. [RLL List # 98 / Rec.# 20003]
    Keywords: PHYSCIA/ NEW TAXA/ CALIFORNIA
    Abstract: 1 figure. [New: Physcia duplicorticata sp. nov.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1499]

  • Thomson, JW/ Nash, TH", III 1976: Three new lichens from the Southwest: Xanthoria concinna sp. nov., Lecanora collatolica sp. nov. and Toninia conglomerata. - The Bryologist 79: 350-353. [RLL List # 95 / Rec.# 18442]
    Keywords: XANTHORIA/ NEW TAXA/ ARIZONA/ MEXICO/ TONINIA/ LECANORA
    Abstract: 3 figures. [New: Xanthoria concinna sp. nov., Lecanora collatolica sp. nov.]
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  • Thomson, JW 1976: Cladonia asahinae sp. nov. from western North America. - Jour. Jap. Bot. 51: 360-364. [RLL List # 96 / Rec.# 18488]
    Keywords: CLADONIA/ NORTH AMERICA/ NEW TAXA
    Abstract: 2 figures. [New: Cladonia asahinae sp. nov.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1335]

  • Thomson, JW/ Bird, CD 1978: The lichen genus Dactylina in North America. - Canadian Journal of Botany 56: 1602-1624. [RLL List # 101-87 / Rec.# 18437]
    Keywords: DACTYLINA/ CANADA/ USA/ NORTH AMERICA/ NEW TAXA/ KEY
    Abstract: 1 table. 10 figures. [Recognition of 4 species; key. New: Dactylina beringica Bird & Thoms., sp. nov.]
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  • Thomson, JW 1978: Lichens from the Carey Islands in the North Water polynya in norhern Baffin Bay. - The Bryologist 81: 460-463. [RLL List # 101-86 / Rec.# 18489]
    Keywords: CAREY ISLANDS/ BAFFIN BAY/ CANADA/ DISTRIBUTION/ ARCTIC/ TUNDRA
    Abstract: 1 figure. [50 lichens. "Colonization by the lichens is suggested to be post-Pleistocene and from the west in Canada."]
    [Edit/Delete] [Upload PDF/URL] [ET: 1336]

  • Thomson, JW 1978: [Review of:] G. Keuck: Ontogenetisch-systematische Studie uber Erioderma im Vergleich mit anderen cyanophilen Flechtengattungen. J. Cramer, Vaduz. 1977. - The Bryologist 81: 351. [RLL List # 101-85 / Rec.# 18490]
    Keywords: REVIEW/ ERIODERMA
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  • Moser, TJ/ Nash, TH" III/ Thomson, JW 1979: Lichens of Anaktuvuk Pass, Alaska, with emphasis on the impact of caribou grazing. - The Bryologist 82: 393-408. [RLL List # 105-60 / Rec.# 13084]
    Keywords: ALASKA/ CARIBOU/ GRAZING/ ASPICILIA/ NEW TAXA
    Abstract: 2 figures. 1 table. [288 species in 71 genera are reported for the area. New: Aspicilia plicigera (Zahlbr.) Thoms., comb. nov. and A. sublapponica (Zahlbr.) Thoms., comb. nov. Both "new combinations, " however, are invalid since the proper citations were not included after listing of the basionyms (Article 33). The combination Aspicilia plicigera (Zahlbr.) Ras. has been published previously. Caribou grazing during the winter severly reduced lichen biomass in certain areas of the region.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1028]

  • Bird, CD/ Thomson, JW/ Marsh, AH/ Scotter, GW/ Wong, PY 1980: Lichens from the area drained by the Peel and Mackenzie rivers, Yukon and Northwest Territories, Canada. I. Macrolichens. - Canadian Jounral of Botany 58: 1947-1985. [RLL List # 108-4 / Rec.# 1969]
    Keywords: CANADA/ YUKON/ NORTHWEST TERRITORIES/ PILOPHORUS/ MACROLICHEN/ ARCTIC
    Abstract: 5 figures. 2 tables. [249 taxa; many new reports for the area. Pilophorus robustus reported new to Canada.]
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  • Bird, CD/ Thomson, JW/ Marsh, AH/ Scotter, GW/ Wong, PY 1981: Lichens from the area drained by the Peel and Mackenzie rivers, Yukon and Northwest Territories, Canada. II. Microlichens. - Canadian Journal of Botany 59: 1231-1252. [RLL List # 111-5 / Rec.# 1970]
    Keywords: CANADA/ YUKON/ NORTHWEST TERRITORIES/ NEW TAXA/ ASPICILIA/ STAUROTHELE/ DISTRICT OF MACKENZIE
    Abstract: 1 table. [Treatment of 314 taxa of which 103 are new reports for the District of Mackenzie and 69 are new to the Yukon. Staurothele sessilis Magn. is new to Canada and four taxa are new to North America. [New: Aspicilia aliena (Zahlbr.) Thoms., comb. nov.; A. anseris (Lynge) Thoms., comb. nov.; A. elevata (Lynge) Thoms., comb. nov.; A. perradiata (Nyl.) Thoms., comb. nov.; A. sorediza (Lynge) Thoms., comb. nov.; A. subplicigera (Magn.) THoms., comb. nov.; and A. rykaipiae (Magn.) Thoms., comb. nov.]
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  • Thomson, JW 1982: A further note on Caloplaca tominii Savicz in the Americas. - The Bryologist 85: 251. [RLL List # 115-86 / Rec.# 18492]
    Keywords: CANADA/ UNITED STATES/ PERU/ CALOPLACA
    Abstract: [Report lists new localities in Canada, the United States, and Peru.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1338]

  • Thomson, JW 1982: Lichen vegetation and ecolgical patterns in the high Arctic. - Journal of the Hattori Botanical Laboratory 53: 361-364. [RLL List # 119-126 / Rec.# 18493]
    Keywords: ARCTIC/ DISTRIBUTION/ CANADA
    Abstract: [General overview of major habitats; many species are mentioned.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1337]

  • Thomson, JW/ Scotter, GW 1983: Lichens from Bathurst Inlet region, Northwest Territories, Canada. - The Bryologist 86: 14-24. [RLL List # 118-76 / Rec.# 18445]
    Keywords: CANADA/ NORTHWEST TERRITORIES/ ARCTIC/ NEW TAXA/ ASPICILIA
    Abstract: [Reports 223 taxa from the region. New: Aspicilia arctica (Lynge) Thoms. comb. nov. and A. bennettii (Lynge) Thoms. comb. nov.]
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  • Thomson, JW/ Scotter, GW 1984: Lichens of Bylot and northern Baffin Islands, Northwest Territories, Canada. - The Bryologist 87: 228-232. [RLL List # 122-97 / Rec.# 18446]
    Keywords: CANADA/ OWN/ NORTHWEST TERRITORIES/ NEW TAXA/ ARCTIC
    Abstract: 1 figure. [Authors report 165 species from Bylot Island and 145 species from northern Baffin Island. New: Aspicilia composita (Lynge) Thoms. comb. nov. All reports from Bylot Island represent new additions. Many species are reported for the first time from Baffin Island and five taxa are reported as new to Canada.]
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  • Thomson, JW 1984: American Arctic Lichens 1. The Macrolichens. - Columbia University Press, New York. 504 pp. [RLL List # 124-96 / Rec.# 18494]
    Keywords: ARCTIC/ KEYS/ OWN/ NORTH AMERICA
    Abstract: Hundreds of figures. [Treatment of 62 genera and hundreds of species. Keys are provided to genera and to species. Several taxa are reported as new to North America. Each species is treated with a brief synonymy, description, chemical notes, ecological and geographical observations, a dot map showing distribution in arctic America and an original illustration by either Bethia Brehmer or Lucy Taylor. References to the pertinent taxonomic literature for each genus are also included as is an index.]
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  • Thomson, JW 1984: Appendix E. John Richardson's contribution to lichenology: solution of a 160-year-old puzzle. - In: C. Stuart Houston (ed.): Arctic Ordeal. The Journal of John Richardson: Surgeon-Naturalist with Franklin 1820-1822. McGill-Queen's University Press, Kingston and Montreal, pp. 270-272. [RLL List # 122-96 / Rec.# 18495]
    Keywords: ARCTIC/ DACTYLINA/ NOMENCLATURE
    Abstract: [Richardson's lichenological expertise was greater than previously thought and the author concludes that Dactylina arctica should properly be cited as D. arctica (Richards.) Nyl. Other references to lichens in this book are annotated by Thomson to present day usage.]
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  • Thomson, NF/ Thomson, JW 1984: Spore ornamentation in the lichen genus Solorina. - The Bryologist 87: 151-153. [RLL List # 121-88 / Rec.# 18521]
    Keywords: SOLORINA/ SEM/ OWN/ SPORES
    Abstract: 10 figures. ["SEM study of 5 arctic alpine species of Solorina shows that each species has a distinctive spore coat pattern. S. spongiosa, often thought to be an ecological variant of S. saccata, differs from that species in its spore pattern."]
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  • Thomson, JW/ Scotter, GW 1985: Lichens of Eastern Axel Heiberg Island and the Fosheim Peninsula, Ellesmere Island, Northwest Territories. - Canadian Field-Naturalist 99: 179-187. [RLL List # 127-169 / Rec.# 18447]
    Keywords: CANADA/ ELLESMERE ISLAND/ ARCTIC/ AXEL HEIBERG ISLAND/ NORTHWEST TERRITORIES/ NEW TAXA/ ASPICILIA
    Abstract: 1 figure. [Authors report 179 taxa, 149 from Axel Heiberg Island, most representing first reports for the island. Many new reports are also listed for Ellesmere Island. Nine taxa are new to Canada. New: Aspicilia contigua (Lynge) Thoms., comb. nov.; A. humboldtii (Lynge) Thoms., comb. nov.; and A. nathorstii (Lynge) Thoms., comb. nov.]
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  • Thomson, JW 1985: Arctic lichen opportunities. - Evansia 2: 1-3. [RLL List # 125-89 / Rec.# 18496]
    Keywords: OWN/ ESSAY/ ARCTIC/ GENERAL
    Abstract: [A brief essay pointing out research opportunities for the student of arctic lichenology.]
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  • Thomson, JW 1987: The lichen genera Catapyrenium and Placidiopsis in North America. - The Bryologist 90: 27-39. [RLL List # 131 / Rec.# 18497]
    Keywords: CATAPYRENIUM/ DERMATOCARPON/ NEW TAXA/ KEY/ ENDOPYRENIUM/ VERRUCARIACEAE/ NORTH AMERICA/ PLACIDIOPSIS
    Abstract: 21 figures. [Recognition of 12 species of Catapyrenium and two of Placidiopsis for North America; keys. New: Catapyrenium acarosporoides (A. Zahlbr.) comb. nov., C. caeruleopulvinatum sp. nov., C. granulosum (B. de Lesd.) comb. nov., C. heppioides (Zahlbr.) comb. nov., C. plumbeum (B. de Lesd.) comb. nov., C. squamellum (Nyl.) comb. nov., C. tuckermanii (Rav. ex Mont.) comb. nov., and C. zahlbruckneri (Hasse) comb. nov. Placidiopsis cervinula is reported for the first time from North America.]
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  • Thomson, JW/ Murray, BM 1988: Staurothele discedens and Gyalidea lecideopsis var. convarians rediscovered in Alaska, together with Polyblastia cucurbitula, sp. nov. - The Bryologist 91(2): 86-90. [RLL List # 135 / Rec.# 18441]
    Keywords: POLYBLASTIA/ NEW TAXA/ GYALIDEA/ ALASKA/ STAUROTHELE
    Abstract: 5 figures. [New: Polyblastia cucurbitula sp. nov. Other taxa had not been reported since the Vega Expedition collections by Almquist in 1879.]
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  • Thomson, JW 1988: [Review of:] R. Moberg and E. S. Hansen: The Lichen Genus Physcia and Allied Genera in Greenland. Meddelelser om Gronland, Bioscience 22: 1-32. 1986. - The Bryologist 91(1): 69-70. [RLL List # 134 / Rec.# 18498]
    Keywords: REVIEW/ GREENLAND/ PHYSCIA
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  • Thomson, JW/ Doell, JK 1989: Some lichens from southwest Alaska. - Evansia 6(2): 28-32. [RLL List # 138 / Rec.# 18438]
    Keywords: ALASKA
    Abstract: [List of 106 species.]
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  • Thomson, JW/ Sowl, LW 1989: Additional records of lichens from Amchitka Island, Alaska. - Evansia 6(1): 7-11. [RLL List # 137 / Rec.# 18450]
    Keywords: ALASKA/ AMCHITKA/ AGYROPHORA/ BELONIA
    Abstract: [Report on collections made from 1968-1970 and includes 116 species as new reports for the island bringing the total to 149 species. Agyrophora leiocarpa, Belonia fennica and B. russula are new to Alaska.]
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  • Thomson, JW 1989: Additions and a revised key to Catapyrenium in North America. - The Bryologist 92(2): 190-193. [RLL List # 138 / Rec.# 18499]
    Keywords: CATAPYRENIUM/ DERMATOCARPON/ KEY/ NORTH AMERICA/ NEW TAXA
    Abstract: 4 figures. [Range extensions and new additions to Catapyrenium in North America are presented with a revised key. New: Catapyrenium globosum sp. nov. and C. radiatum sp. nov.]
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  • Thomson, JW 1989: Lichens in a pine-oak scrub community in Georgia. - Castanea 54(4): 262-264. [RLL List # 140 / Rec.# 18500]
    Keywords: GEORGIA/ PINE-OAK SCRUB/ CONSERVATION
    Abstract: [Report of 33 lichens, including several new to Georgia, from this rare habitat type.]
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  • Thomson, JW 1989: People, plants, and preservation in Wisconsin. - Wisconsin Academy Review 36, 1: 4-9. [RLL Suppl. Rec.# 81]
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  • Thomson, JW 1990: Lichens in old-growth woods in Wisconsin. - Bulletin of the Botanical Club of Wisconsin 22(1): 7-10. [RLL List # 140 / Rec.# 18501]
    Keywords: WISCONSIN/ OLD GROWTH FORESTS/ LOBARION
    Abstract: [Author lists several species of the Lobarion community type typical of old-growth forests at four sites, candidates for designation as Federal Research Natural Areas.]
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  • Thomson, JW 1990: Lichens in the Canadian Arctic Islands. - In: C. R. Harington (ed.): Canada's Missing Dimension. Volume 1. Canadian Museum of Nature, Ottawa, pp. 385-420. [RLL List # 140 / Rec.# 18502]
    Keywords: CANADA/ ARCTIC ISLANDS/ DISTRIBUTION
    Abstract: 3 figures. 3 tables. ["A summary of early exploration of the Canadian Arctic Islands for lichens is followed by an account indicating the accelerated exploration of the present century. Of the 968 lichens known from the North American Arctic, 456 so far are known to occur on the Canadian Arctic Islands." Hundreds of species are listed with island records.]
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  • Talbot, SS/ Talbot, SL/ Thomson, JW 1991: Lichens of Attu Island, Alaska. - The Bryologist 94(4): 421-426. [RLL List #  / Rec.# 18231]
    Keywords: ALASKA/ ALEUTIANS/ ATTU ISLAND
    Abstract: 1 fig. [Reports 153 lichens and one lichenicolous fungus from the westernmost island in the Aleutian chain. New to Alaska: Amygdalaria consentiens, Lecanora confusa, and Rhizocarpon obscuratum.]
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  • Thomson, JW 1991: [Review of:] : [Review:] R.C. Harris. Some Florida Lichens. Published by the author, New York. 1990. . - The Bryologist 94(2): 248. [RLL List #  / Rec.# 18505]
    Keywords: FLORIDA
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  • Thomson, JW 1991: The lichen genus Staurothele in North America. - The Bryologist 94(4): 351-367. [RLL List #  / Rec.# 18504]
    Keywords: NORTH AMERICA/ STAUROTHELE
    Abstract: 24 fig. [Includes descriptions and a key for the 17 species accepted for North America; photographs and distribution maps are also provided for most species. New: Staurothele effigurata sp. nov., S. orispruinosa sp. nov., S. rugosa sp. nov., S. verruculosa sp. nov. New to North America (north of Mexico): S. areolata, S. polygonia.]
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  • Talbot, SS/ Talbot, SL/ Thomson, JW 1992: Lichens of Tuxedni Wilderness Area, Alaska. - The Bryologist 95(1): 20-30. [RLL List #  / Rec.# 18230]
    Keywords: ALASKA/ XANTHORIA
    Abstract: 4 fig. [217 lichens and one lichenicolous fungus are reported from this wilderness area in south-central Alaska. New: Xanthoria alaskana Thomson sp. nov. New to Alaska: Lecanora epanora, Micarea denigrata, Trapeliopsis flexuosa.]
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  • Thomson, JW/ Scotter, GW 1992: Lichens of the Cape Parry and Melville Hills Regions, Northwest Territories. - Canadian Field-Naturalist 106(1): 105-111. [RLL List # 151 / Rec.# 18448]
    Keywords: CAPE PARRY/ MELVILLE HILLS/ NORTHWEST TERRITORIES
    Abstract: 2 fig. [Lists 236 lichens and two lichenicolous fungi. New to North America: Lecania disceptans, Verrucaria ossiseda. New to Canada: Lecidea subduplex, Psorinia conglomerata, Rinodina lyngei.]
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  • Thomson, JW 1992: [Review:] H. Schöller. Flechtenverbreitung und Klima. Vegetationsökologische Untersuchungen zur Rolle der Flechten in naturnahen Traubeneichen-wäldern des Taunus. Bibliotheca Lichenologica 42: II + 250 pages. J. Cramer, Stuttgart. 1991. - The Bryologist 95(4): 488. [RLL List # 150 / Rec.# 18506]
    Keywords: GERMANY
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  • Thomson, JW/ Weber, WA 1992: Lichens collected on the Arctic excursion of the 9th International Botanical Congress (Montreal) in 1959. - The Bryologist 95(4): 392-405. [RLL List # 150 / Rec.# 18451]
    Keywords: ARCTIC/ BAFFIN ISLAND/ CANADA/ CORNWALLIS ISLAND/ SOUTHAMPTON ISLAND/ UNGAVA/ VICTORIA ISLAND
    Abstract: 1 fig. ["A total of 372 species of lichens is reported from seven Canadian Arctic localities: three on the Ungava Peninsula and one locality each on Baffin, Cornwallis, Southampton, and Victoria islands." New: Arthonia atomaria (Lynge) Kilias comb. nov., Tuckermannopsis commixta (Nyl.) W. Weber comb. nov., T. hepatizon (Ach.) W. Weber comb. nov. New to North America: Arthonia atomaria, Caloplaca saxifragarum, Polyblastia melaspora, Rhizocarpon anseris. New to eastern Canada: Amygdalaria consentiens, Umbilicaria cinereorufescens.]
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  • Thomson, JW 1993: A key to Xanthoparmelia in North America, extracted from the world keys of Hale 1990. - The Bryologist 96(3): 342-344. [RLL List # 153 / Rec.# 18507]
    Keywords: NORTH AMERICA/ XANTHOPARMELIA
    Abstract: [A key to the 55 species occurring in North America (including Mexico).]
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  • Thomson, JW 1993: Lichens collected on the 10th Midwest Bryological and Lichenological Foray on the Keweenaw Peninsula, Michigan. - Evansia 10(2): 47-49. [RLL List # 153 / Rec.# 18508]
    Keywords: KEWEENAW PENINSULA/ MICHIGAN
    Abstract: [Lists 79 species.]
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  • Thomson, JW 1993: Mason E. Hale, Jr.: an appreciation. - The Bryologist 96(3): 287. [RLL List # 153 / Rec.# 18509]
    Keywords: BIOGRAPHY/ HALE
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  • Thomson, JW 1993: [Review of:] : [Review:] E. Schreiner & J. Hafellner. Sorediöse, corticole Krustenflechten im Ostapenraum. I. Die Flechtenstoffe und die gesicherte Verbreitung der besser bekannten Arten. Bibliotheca Lichenologica 45: 1-291. J. Cramer, Stuttgart. 1992. . - The Bryologist 96(4): 676-677. [RLL List # 154 / Rec.# 18510]
    Keywords: BOOK REVIEW
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  • Thomson, JW 1993: [Review of:] : [Review:] J. Holtan-Hartwig. The lichen genus Peltigera, exclusive of the P. canina group, in Norway. Sommerfeltia 15: 1-77. 1993. . - The Bryologist 96(4): 675. [RLL List # 154 / Rec.# 18511]
    Keywords: BOOK REVIEW
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  • Thomson, JW/ Ahti, T 1994: Lichens collected on an Alaska Highway expedition in Alaska and Canada. - The Bryologist 97(2): 138-157. [RLL List # 156 / Rec.# 18436]
    Keywords: ALASKA/ ALASKA HIGHWAY/ ALBERTA/ BRITISH COLUMBIA/ CANADA/ YUKON
    Abstract: 3 fig. [A report of 622 lichen species and six lichenicolous fungi collected in Alberta, British Columbia, the Yukon, and Alaska during a 1967 expedition. New: Verrucaria lobata Thomson sp. nov. (from British Columbia). New to North America: Gongylia nadvornikii, Lichenodium sirosiphoideum, Stereocaulon capitellatum. Also many new provincial, territorial, and state records.]
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  • Thomson, JW 1994: Memories of arctic lichen searches. - British Lichen Society Bulletin 74: 1-8. [RLL List # 156 / Rec.# 18512]
    Keywords: ARCTIC/ BIOGRAPHY/ HISTORY/ THOMSON
    Abstract: 6 fig. [Reminiscences by North America's preeminent student of Arctic lichens.]
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  • Thomson, JW 1994: [Review of:] : [Review:] J. Poelt & E. Hinteregger. Beiträge zur Kenntnis der Flechtenflora des Himalaya. VII. Die Gattungen Caloplaca, Fulgensia, und Ioplaca (mit englischem Bestimmungsschlüssel). Bibliotheca Lichenologica 50: 1-247. 1993. J. Cramer, Stuttgart. . - The Bryologist 97(3): 350-351. [RLL List # 156 / Rec.# 18513]
    Keywords: BOOK REVIEW/ CALOPLACA
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  • Thomson, JW/ Scotter, GW 1995: Some lichens from Melville, Bathurst, and Moore Islands in the Canadian Arctic Archipelago. - Evansia 12(3): 117-120. [RLL List # 160 / Rec.# 18449]
    Keywords: ARCTIC/ BATHURST ISLAND/ CANADA
    Abstract: [Lists 65 lichens.]
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  • Thomson, JW 1995: Dacampia hookeri new to the American Arctic. - The Bryologist 98(1): 50-51. [RLL List # 158 / Rec.# 18514]
    Keywords: DACAMPIA/ DEVON ISLAND/ LICHENICOLOUS/ NEPHROMA
    Abstract: 2 fig. [New to North America: Dacampia hookeri. This lichenicolous fungus is reported from Devon Island, growing on Solorina.]
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  • Thomson, JW 1995: The distribution of Arctic lichens and thoughts concerning their origin. - Lichenologist 27(6): 411-416. [RLL List # 161 / Rec.# 18515]
    Keywords: ARCTIC/ BIOGEOGRAPHY/ CONTINENTAL DRIFT/ DISTRIBUTION PATTERNS/ POLAR
    Abstract: 2 fig. [Review article.]
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  • Thomson, JW 1996: [Review of:] : [Review:] Lois Brako. Phyllopsora (Bacidiaceae). Flora Neotropica Monograph 55: 1-67. New York Botanical Garden, Bronx, New York. 1991. . - The Bryologist 99(1): 115. [RLL List # 162 / Rec.# 18516]
    Keywords: BOOK REVIEW/ PHYLLOPSORA
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  • Thomson, JW 1997: [Review:] U. Kirschbaum & V. Wirth. Flechten erkennen - Luftgüte bestimmen. 128 pages. Verlag Eugen Ulmer, Stuttgart. 1995. - The Bryologist 100(2): 277-278. [RLL List # 167 / Rec.# 18518]
    Keywords: AIR POLLUTION/ BOOK REVIEW
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  • Thomson, JW 1998: Two Wisconsin lichen collections over 100 years old. - Evansia 15(2): 84-90. [RLL List # 171 / Rec.# 18519]
    Keywords: HISTORY/ WISCONSIN
    Abstract: [Historical collections from the Wisconsin River Valley and another from the Madison area.]
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  • Talbot, SS/ Talbot, SL/ Thomson, JW/ Schofield, WB 2000: Lichens of Izembek National Wildlife Refuge, westernmost Alaska Peninsula. - The Bryologist 103(2): 379-389. [RLL List # 179 / Rec.# 18228]
    Keywords: ALASKA/ PHYTOSOCIOLOGY
    Abstract: 2 fig. 3 tab. [184 taxa are reported for the area. Also includes phytosociological data. New to Alaska: Scoliciosporum umbrinum. New to North America: Metasphaeria tartarina.]
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