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Author: Trass, HH|Trass, H

  • Trass, HH 1956: Ad floram Cladoniacearum Rei-publicae S. S. Estoniae. - Bot. Materialy Notulae System. e Sect. Cryptogamica Inst. Bot. nomine V. L. Komarovii Acad. Sci. URSS 11: 19-26. [RLL List # 21 / Rec.# 18885]
    Keywords: ESTONIA/ CLADONIA/ FLORA
    Abstract: [51 species. In Russian.]
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  • Trass, H 1957: Eesti NSV lihhenofloora haruldaste ja huviavate liikide levik I. Distribution of the rare and interesting species of Estonian S.S.R. lichen flora I.]. - Loodusuurijate Seltsi Aastaraamat (Loodusurrijate Selts Eesti NSV Teaduste Akad. Juures) [Tallinn] 50: 191-202. [RLL List # 30 / Rec.# 18895]
    Keywords: ESTONIA/ CETRARIA/ GYROPHORA/ PELTIGERA/ UMBILICARIA
    Abstract: 4 fig. [Cetraria nivalis (L.) Ach., Parmelia acetabulum (Neck.) Duby, Peltigera horizontalis (Huds.) Baumg., Gyrophora polyrrhiza (L.) Körb.]
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  • Trass, H 1958: Antibiootilistest ainetest samblikes ja Eesti lihhenofloora uurimise ulesannetest. [Uber antibiotische Wirkstoffe der Flechten und uber Aufgaben der lichenofloristischen Forschung in der estnischen SSR.]. - Tartu Riikliku Ulikooli Toimetised (Bot.-Alased. Tood I) 64: 186-197. [RLL List # 30 / Rec.# 18896]
    Keywords: ANTIBIOTICS/ USES/ REVIEW/ ESTONIA
    Abstract: [Brief review of the literature. Russian and German summaries.]
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  • Trass, H 1958: Cladonia acuminata (Ach.) Norrl. ja Cl. foliata (Arn.) Vain. Eesti NSV-s. [C. a. and C. f. in the Estonian S.S.R.]. - Floristilised Markmed (Loodusuurijate Selts Eesti NSV Teaduste Akad. Juures) [Tartu] 1(2): 70-75. [RLL List # 30 / Rec.# 18897]
    Keywords: ESTONIA/ CLADONIA
    Abstract: 2 fig.
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  • Trass, H 1958: Eesti NSV kladooniate (podrasamblike) maaraja. [Bestmmungstabellen der Cladonien estnischer SSR.]. - Loodusuurijate Selts Eesti NSV Teaduste Akad. Juures, Abiks Loodusevaatlejale No. 39. 116 pp. [RLL List # 30 / Rec.# 18898]
    Keywords: ESTONIA/ CLADONIA/ KEYS
    Abstract: 3 tab. 6 pl. [58 species. Keys. Russian and German summaries.]
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  • Trass, H 1958: Eesti NSV lihhenofloora haruldaste ja huvitavate liikide levik II. [Distribution of rare and interesting species of Estonia S.S.R. lichen-floraII.]. - Eesti NSV Teaduste Akad. Juures Asuva Loodusuurijate Seltsi Aastaraamat 51: 189-198. [RLL List # 32 / Rec.# 18899]
    Keywords: ESTONIA/ CLADONIA/ PILOPHORUS
    Abstract: [Cladonia polydactyla Flk., C. brevis Sandst., C. cerasphora Vain., C. delicata (Ehrh.) Flk., C. tenuis (Flk.) Harm., Pilophoron cereolus (Ach.) Th. Fr.]
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  • Trass, H 1958: Kolmest Parmelia-liigist Eestis. [On three species of the genus Parmelia in Estonia.]. - Floristilised Markmed (Loodusuurijate Selts Eesti NSV Teaduste Akad. Juures) [Tartu] 1(1): 25-27. [RLL List # 30 / Rec.# 18900]
    Keywords: PARMELIA/ ESTONIA
    Abstract: [Parmelia dubia (Wulf.) Schaer., P. mougeotii Schaer., P. tiliacea (Hoffm.) Vain.]
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  • Trass, H 1958: Neli uut samblikuliiki Eesti NSV-s. [Four new species of lichens in teh Estonian S.S.R.]. - Floristilised Markmed (Loodusuurijate Selts Eesti NSV Teaduste Akad. Juures) [Tartu] 1(1): 32. [RLL List # 30 / Rec.# 18901]
    Keywords: ESTONIA/ ANAPTYCHIA/ CLADONIA/ STEREOCAULON
    Abstract: [Anaptychia speciosa (Wulf.) Mass., Cladonia symphycarpia Flk., Stereocaulon evolutum Graewe, S. glareosum (Sav.) Magn.]
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  • Trass, H 1958: Perekonna Parmelia liikide uusi leiukohti Eestis. [The discovery of some species of the genus Parmelia in Estonia.]. - Floristilised Markmed (Loodusuurijate Selts Eesti NSV Teaduste Akad. Juures) [Tartu] 1(1): 28-31. [RLL List # 30 / Rec.# 18902]
    Keywords: ESTONIA/ PARMELIA
    Abstract: [Parmelia caperata (L.) Ach., P. centrifuga (L.) Ach., P. conspurcata (Schaer.) Vain., P. fuliginosa (Fr.) Nyl., P. incurva (Pers.) Fr., P. isidiotyla Nyl., P. prolixa (Ach.) Rohl., P. sorediata (Ach.) Th. Fr., P. stenophylla (Ach.) Heug.]
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  • Trass, H 1959: Samblikest ja nende levikust. [Lichens and their distribution.]. - Eesti Loodus [Acad. sci. Estonian SSR] 1959(6): 346-353. [RLL List # 33 / Rec.# 18903]
    Keywords: ESTONIA/ FLORA/ GEOGRAPHY/ DISTRIBUTION/ FLORISTICS
    Abstract: 6 fig. 1 pl. in color. [An analysis of the floristic affinities of the Estonia lichens. English summary.]
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  • Trass, H 1961: Moned uued liigid Eesti lihhenoflooras. [SOme new species in the lichen-flora of Estonia.]. - Floristilised Markmed, Loodusuurijate selts Eesti NSV Teaduste Akad. Juures [Tartu] 1(3): 146-150. [RLL List # 43 / Rec.# 18904]
    Keywords: ESTONIA/ FLORA
    Abstract: [Gyrophora cylindrica (L.) Ach., Ramalina cuspidata (Ach.) Nyl., Nephroma subparile Gyeln., Nephroma neolusitanicum Gyeln., Fulgensia bracteata (Hoffm.) Jatta, Cladonia endiviaefolia Fr.]
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  • Trass, H 1962: Present state of research into the lichen flora of the Estonian S.S.R.; a short characterization of its composition and the tasks facing future research in this field. - Scripta Bot. [Tartu] 2: 56-75. [RLL List # 48 / Rec.# 18905]
    Keywords: ESTONIA/ FLORA
    Abstract: [In Russian, English summary.]
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  • Trass, H 1962: Present state of research into the lichen-flora of the Estonian S.S.R., a short characterization of its composition and the tasks facing future research in the field. - Botaanilised Uurimused, Scripta Bot. [Tartu] 2: 56-75. [RLL List # 43 / Rec.# 18906]
    Keywords: GENERAL/ ESTONIA
    Abstract: [In Estonian; English summary.]
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  • Trass, H 1962: Vulkaanid ja taimed. [Plants and volcanoes.]. - Eesti Loodus 1962: 360-364. [RLL List # 48 / Rec.# 18907]
    Keywords: SUCCESSION/ LAVA/ VOLCANIC ROCK
    Abstract: 3 fig. 1 tab. [Lichens and mosses in succession on lava. In Estonian.]
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  • Trass, H/ Magi, U/ Parn, S 1963: On macrolichens in the Khibin. - Botanika-Alased Tood, Tartu Riikliku Ulikooli Toimetised 6: 130-146. [RLL List # 48 / Rec.# 18876]
    Keywords: USSR/ KHIBIN MOUNTAINS/ KOLA PENINSULA/ FLORA/ RUSSIA
    Abstract: 8 fig. [In Russian; English summary. 160 species from the Khibin Mts., Kola Peninsula.]
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  • Trass, H 1963: Glossodium japonicum--a new lichen in the U.S.S.R.. - Botanika-Alased Tood, Tartu Riikliku Ulikooli Toimetised 6: 201-202. [RLL List # 48 / Rec.# 18908]
    Keywords: USSR/ GLOSSODIUM JAPONICUM/ FLORA
    Abstract: [In Russian; English summary.]
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  • Trass, H 1963: Hall lapiksamblik. - Eesti Loodus 1963(2): 116. [RLL List # 48 / Rec.# 18909]
    Keywords: HYPOGYMNIA PHYSODES/ ESTONIA
    Abstract: [On Hypogymnia physodes (L.) Ras. In Estonian.]
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  • Trass, H 1963: On the lichen flora of Kamchatka. - In: : Investigationes Naturae Orientis Extremis. Academia Scientiarum R.S.S., Tallin, Estonia, pp. 170-220. [RLL List # 48 / Rec.# 18910]
    Keywords: KAMCHATKA/ RUSSIA/ NEW TAXA/ OCHROLECHIA/ CLADONIA/ HYPOGYMNIA/ CETRARIA
    Abstract: 2 color pl. 3 fig. [218 species, 45 varieties, 58 forms. New: Ochrolechia kamczatica (Sav.) comb. nov., Cladonia corallifera fo. foliolosa comb. nov., C. grayi fo. fasciculata fo. nov., C. impexa var. portentosa fo. vulcanica fo. nov., C. mitis fo. spinulifera fo. nov., Hypogymnia duplicata fo. farinosa fo. nov., H. subobscura (Vain.) comb. nov., Parmelia conspersa fo. irreagens fo. nov., P. stenophylla var. subconspersa var. nov., Cetraria chrysantha fo. pigmentulata fo. nov., C. ciliaris var. atropaca var. nov., C. fahlunensis fo. flavescens fo. nov., C. nivalis var. incumbens var. nov. In Russian; English summary.]
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  • Trass, H 1963: On the vegetation around hot water well springs and geysers of Geyser Valley, Kamchatka. - In: : Investigationes Naturae Orientis Extremis. Academia Scientiarum R.S.S., Tallin, Estonia, pp. 112-146. [RLL List # 48 / Rec.# 18911]
    Keywords: KAMCHATKA/ RUSSIA/ HOT SPRINGS/ GEYSERS
    Abstract: 18 fig. 2 tab. [In Russian; English summary. Includes 7 lichens and 9 mosses.]
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  • Trass, H 1963: Tundrataim Vormsil. [A tundra plant on Vormsi Island.]. - Eesti Loodus 1963(2): 113-115. [RLL List # 48 / Rec.# 18912]
    Keywords: ESTONIA/ VORMSI ISLAND/ CETRARIA CUCULLATA
    Abstract: 3 fig. [Cetraria cucullata (Bell.) Ach. In Estonian; English and Russian summaries elsewhere in the issue.]
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  • Trass, H 1965: Lichen synusiae as components of biogeocoenosis (ecosystems). - In: : Problems in Mycology and Lichenology. Akademiia Nauk Estonskoi SSR, Tartu, pp. 207-211. [RLL List # 56 / Rec.# 18913]
    Keywords: COMMUNITY ECOLOGY/ USSR
    Abstract: 1 tab. [In Russian, English summary.]
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  • Trass, H 1965: Lichens on the alvars of Estonia. - In: : Problems in Mycology and Lichenology. Akademiia Nauk Estonskoi SSR, Tartu, pp. 199-202. [RLL List # 56 / Rec.# 18914]
    Keywords: ESTONIA/ ALVARS
    Abstract: [In Russian, English summary.]
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  • Trass, H 1966: Lichenological research work in Estonia during the last five years (1959-1963). - Zinatniskie Raksti, Botanika, 2. Laidiens [Scientific Works, Botany, Ser. 2. P. Stucka Latvian State University: "Zvaigzne" Publishing House, Riga] 74: 118-121. [RLL List # 62 / Rec.# 18915]
    Keywords: ESTONIA/ GENERAL/ BIBLIOGRAPHY/ RESEARCH NOTES
    Abstract: 1 tab. [In Russian, English summary.]
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  • Trass, H 1966: On phytocoenecological researches on lichens. - Zinatniskie Raksti, Botanika, 2. Laidiens [Scientific Works, Botany, Ser. 2. P. Stucka Latvian State University: "Zvaigzne" Publishing House, Riga] 74: 122-133. [RLL List # 62 / Rec.# 18916]
    Keywords: COMMUNITY ECOLOGY/ PHYTOSOCIOLOGY/ CLASSIFICATION/ USSR/ TERMINOLOGY
    Abstract: [In Russian, English summary. Discussion of terminology for hierarchies of lichen communities.]
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  • Martin, J/ Trass, H 1967: Samblike mikrosuktsessioonidest erinevatel substraatidel. [On the microsuccession of lichens on different substrates.]. - In: : VIII Eesti Looduseuurijate Paeva, Ettekannete Teesid. Eesti NSW Teaduste Akadeemia, Tartu, pp. 27-29. [RLL List # 65 / Rec.# 12319]
    Keywords: ESTONIA/ USSR/ SUCCESSION/ ECOLOGY
    Abstract: [Abstract; in Estonian.]
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  • Trass, H 1967: Saaremaa lihhenofloora omapara. [Peculiarities of the lichen flora of Saaremaa Island.]. - In: : VIII Eesti Looduseuurijate Paeva, Ettekannete Teesid. Eesti NSW Teaduste Akadeemia, Tartu, pp. 32-34. [RLL List # 65 / Rec.# 18917]
    Keywords: ESTONIA/ USSR/ SAAREMAA ISLAND
    Abstract: [Abstract; in Estonian.]
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  • Trass, H 1967: Uusi andmeid Eesti lihhenofloora koosseisust. [New data about the lichen flora of Estonia.]. - In: : VIII Eesti Looduseuurijate Paeva, Ettekannete Teesid. Eesti NSW Teaduste Akadeemia, Tartu, pp. 30. [RLL List # 65 / Rec.# 18918]
    Keywords: ESTONIA/ USSR/ FLORA
    Abstract: [Abstract; in Estonian.]
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  • Trass, HH 1968: Analysis of the Lichen Flora of Estonia. - Ordena Trudovogo Krasnogo Znameni, Botanicheskii Institut imeni V. L. Komarova AN SSSR, Tartu. 80 pp. [RLL List # 69 / Rec.# 18886]
    Keywords: ESTONIA/ USSR
    Abstract: [In Russian. Abstract of a thesis.]
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  • Trass, HH 1968: Chemical taxonomy in presentday lichenology. - Tartu Riikliku Ulikooli Toimetised, Botaanika-Alased Tood [Trans. Tartu State Univ., Papers on Bot.] 8: 172-184. [RLL List # 69 / Rec.# 18887]
    Keywords: CHEMICAL TAXONOMY/ REVIEW
    Abstract: [A review paper in Russian; English summary.]
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  • Trass, HH 1968: Chemical taxonomy of the lichens. - In: : Contributions III. Transcaucasian Conference on Sporogenous Plants. Published on the Occasion of the 50th Anniversary of the October Socialist Revolution. Institut Botaniki an Gruzinskoi SSR, Tbilisi. 285 pp, pp. 221-224. [RLL List # 75 / Rec.# 18888]
    Keywords: CHEMOTAXONOMY/ REVIEW
    Abstract: [General statement; in Russian. When written in Estonian, this author's name is Hans Trass.]
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  • Trass, H 1968: Indeks samblikuruhmituste kasutamiseks ohu saastatuse maaramisel. [An index for the utilization of lichen groups to determine air pollution.]. - Eesti Loodus 11: 628. [RLL List # 71 / Rec.# 18919]
    Keywords: ESTONIA/ AIR POLLUTION/ USSR/ POPULAR
    Abstract: 1 tab. [In Estonian; English abstract included on an unnumbered page in the table of contents.]
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  • Trass, H 1968: Sambilkud--ohu saastatuse indikaatorid. [Lichens--indicators of air pollution.]. - Eesti Loodus 1968: 80-83. [RLL List # 68 / Rec.# 18920]
    Keywords: AIR POLLUTION/ GENERAL/ USSR/ ESTONIA
    Abstract: 2 fig. 2 pl. [In Estonian.]
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  • Trass, H 1969: Floristical and phytogeographical study of the Estonian lichen-flora. - In: L. Laasimer (ed.): Plant Taxonomy, Geography, and Ecology in the Estonian S.S.R.. Publishing House "Valgus, " Tallin. 112 pp, pp. 38-48. [RLL List # 73 / Rec.# 18921]
    Keywords: ESTONIA/ USSR/ FLORA/ PHYTOGEOGRAPHY
    Abstract: 2 tab. Illus. [Price: 80 kopecks (paper). An account of the numbers of species of various floristic elements in the lichen flora of Estonia.]
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  • Trass, H 1969: V. Rasanen, an eminent Finnish lichenologist. (August 24, 1888--July 16, 1953). - Bot. Zhurn. 54: 956-957. [RLL List # 73 / Rec.# 18922]
    Keywords: RASANEN/ BIOGRAPHY/ HISTORY/ FINLAND
    Abstract: [Biography in Russian.]
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  • Eichwald, K/ Kalda, A/ Kukk, E/ Masing, V/ Parmasto, E/ Trass, H 1970: Botaanika. Opik Korgematele Koolidele. II. Osa. Sustemaatika. - Kirjastus "Valgus, " Tallin. 767 pp. [RLL List # 79 / Rec.# 4774]
    Keywords: ESTONIA/ USSR/ TEXTBOOK
    Abstract: Illus. [Survey of the plant kingdom; in Estonian. Lichens, pp. 276-300; bryophytes, pp. 303-344.]
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  • Trass, H 1970: The elements and development of the lichen-flora of Estonia. - Papers on Bot., Trans. Tartu State Univ. 9: 5-233. [RLL List # 77 / Rec.# 18923]
    Keywords: ESTONIA/ USSR/ FLORA/ DISTRIBUTIONS
    Abstract: Illus. [In Russian; English summary, pp. 222-230. A major study; many species and distribution maps.]
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  • Piin, T/ Trass, HH 1971: The lichens growing on the soil surface in the vicinity of Tareta (western Taimyr). - In: : Biogeocenoses of Taimyr Tundra and Their Productivity. Acad. Sci. USSR, Sov. Natl. Committee for I.B.P., V. L. Komarov Bot. Inst., Nauka, Leningrad, pp. 151-160. [RLL List # 82 / Rec.# 14499]
    Keywords: TAIMYR PENINSULA/ TUNDRA/ ECOLOGY/ TERRICOLOUS
    Abstract: [117 species. Russian; English summary.]
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  • Trass, H 1971: On the poleotolerance of lichens. - Materials of the 6th Symposium of the Baltic Repulbics on Mycology and Lichenology, Peter Stuchka Latvian State Univ., Biol. Fac., Riga 1971(1): 66-70. [RLL List # 82 / Rec.# 18924]
    Keywords: AIR POLLUTION/ RESISTANCE/ TECHNIQUES
    Abstract: [Formula for calculating resistance of lichens to air pollution. Russian; English summary.]
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  • Trass, H 1972: A list of species of Cladoniaceae in the lichen flora of the USSR. - Folia Cryptogam. Estonica [Tartu] 1: 1-8. [RLL List # 83 / Rec.# 18925]
    Keywords: CLADONIA/ USSR/ NEW TAXA
    Abstract: [97 species. New: Cladonia groenlandica (Dahl) comb. nov., C. nigripes (Nyl.) comb. nov., Cladina beringiana (Ahti.) comb. nov., C. oxneri (Rass.) comb. nov., C. tenuiformis (Ahti) comb. nov. In Russian; English summary.]
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  • Trass, HH 1973: Lichens. - Priroda 3: 10-20. [RLL List # 87 / Rec.# 18890]
    Keywords: GENERAL ARTICLE
    Abstract: [General survey article in Russian.]
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  • Trass, HH 1973: Some problems of the situation and development of lichenology in the USSR. - In: : Akad. Nauk SSR, Vsesoyuznoe Bot. Obshchestvo. "Abstracts of Reports of the V delegate Congress of the All-Union Botanical Society." Kiev. , pp. 355-357. [RLL List # 88 / Rec.# 18891]
    Keywords: PROBLEMS/ DEVELOPMENT/ LICHENOLOGY/ USSR/ HISTORY
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  • Trass, H 1973: Genus Xanthoria in the lichen flora of Estonia. - Floristilised Markmed [Tallinn] 1: 284-288. [RLL List # 96 / Rec.# 18926]
    Keywords: USSR/ ESTONIA/ XANTHORIA/ NEW TAXA/ KEY
    Abstract: [12 taxa; key. In Russian. New: Xanthoria isidioidea (Beltr.) comb. nov.]
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  • Trass, H 1973: Lichen sensitivity to air pollution and index of poleotolerance (I.P.). - Folia Cryptog. Estonica 3: 19-22. [RLL List # 85 / Rec.# 18927]
    Keywords: AIR POLLUTION/ USSR
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  • Martin, L/ Trass, H/ Martin, J 1974: Phytoindication of Atmospheric Pollution. - . 4 pp. [RLL List # 89 / Rec.# 12344]
    Keywords: PHYTOINDICATION/ AIR POLLUTION/ USSR
    Abstract: [A brochure on lichenology from the Soviet exhibit at the World's Fair.]
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  • Trass, HH 1974: Lichenology in the Estonian SSR. in 1968-1973. - In: : Advances in Mycology and LIchenology in Soviet Pribaltics. Academy of Sciences of the Estonian SSR, Institute of Zoology and Botany, Tartu, pp. 221-222. [RLL List # 91 / Rec.# 18892]
    Keywords: HISTORY/ ESTONIA / USSR
    Abstract: [In Russian; English summary.]
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  • Trass, H 1974: Umbilicaria decussata in Estonia. - Folia Cryptogam. Estonica [Tartu] 4: 28-30. [RLL List # 90 / Rec.# 18928]
    Keywords: UMBILICARIA DECUSSATA / ESTONIA / USSR / FLORA / TAXONOMY
    Abstract: [In Russian.]
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  • Raitviir, A/ Trass, H 1975: Mycological and lichenolgical researches in 1969-1974. - In: L. Laasimer (ed.): Some Aspects of Botanical Research in the Estonian S.S.R. Academy of Sciences of the Estonian S.S.R., Tartu, pp. 39-45. [RLL List # 94 / Rec.# 15216]
    Keywords: REVIEW/ RESEARCH/ ESTONIA/ USSR
    Abstract: [Review of Estonian research.]
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  • Raitviir, A/ Trass, H 1975: Mycological and lichenological researches in 1969-1974. - In: : Some Aspects of Botanical Research in the Estonian S.S.R.. Academy of Sciences of the Estonian S.S.R., Tartu. 238 pages, pp. 39-45. [RLL List # 93-97 / Rec.# 15217]
    Keywords: ESTONIA/ USSR/ RESEARCH/ REVIEW
    Abstract: [Brief statement and 59 references.]
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  • Golubkova, NS/ Savicz, VP/ Trass, HH 1978: Handbook of the Lichens of the U.S.S.R. 5. Cladoniaceae-Acarosporaceae. - Izdatel'stv "Nauka", Leningrad. 303 pp. [RLL List # 103-30 / Rec.# 6802]
    Keywords: USSR/ CLADONIACEAE/ ACAROSPORACEAE/ FLORA/ KEY
    Abstract: 168 figures. [Flora with 317 species; keys. In Russian.]
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  • Trass, HH 1978: New and rare taxa of Cladoniaceae in the lichen-flora of the U.S.S.R.. - Folia cryptogamica Estonica 11: 1-8. [RLL Suppl. Rec.# 83]
    Abstract: [In Russian. New: Cladonia alinii Trass, C. macroceras v. nigripes (Ahti) Trass, Cladina ciliata (Stirton) Trass, Cladonia subrangiformis f. spinulifera Trass, Cladina mitis f. arenicola Trass.]
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  • Trass, HH 1979: Lichens. - In: M. S. Boch & V. V. Masing (eds.): Ecosystems of the Peatlands of the U. S. S. R. Nauka, Leningrad, pp. 25-27. [RLL List # 106-91 / Rec.# 18893]
    Keywords: PEATLANDS/ USSR/ ECOLOGY
    Abstract: [In Russian. Reference supplied by T. Ahti.]
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  • Trass, H 1981: Composition and anthropogeneous changes of the lichen flora and vegetation in Estonia. - In: L. Laasimer (ed.): Anthropogeneous Changes in the Plant Cover of Estonia. Academy of Sciences of the Estonian S. S. R., Tartu, pp. 135-153. [RLL List # 112-77 / Rec.# 18929]
    Keywords: USSR/ ESTONIA/ COMMUNITY ECOLOGY/ CONSERVATION
    Abstract: [Lists some recent additions to the lichen flora, an outline of the classification of lichen communities in Estonia, a list of species thought now to be extinct in Estonia, and some thoughts on lichen conservation.]
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  • Trass, H 1981: On systematics of Phaeophyscia hispidula (Ach.) Essl. - Folia Cryptogamica Estonica 15: 1-2. [RLL List # 117-88 / Rec.# 18930]
    Keywords: NEW TAXA/ PHAEOPHYSCIA
    Abstract: [New: Phaeophyscia primaria (Poelt) comb. et stat. nov., and P. sulphurascens (Zahlbr.) comb. et stat. nov.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1408]

  • Trass, HH/ Randlane, TV 1983: Problems in conservation of non-flowering plants. - In: : Conservation of the Genofond of Natural Flora. Academy of Sciences of the U.S.S.R., Novosibirsk, pp. 88-92. [RLL List # 135 / Rec.# 18884]
    Keywords: CONSERVATION/ USSR/ ENDANGERED SPECIES
    Abstract: [Brief report on conservation efforts with lichen species. In Russian.]
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  • Trass, H 1983: Modern literature on the lichens in the USSR (1980-1981). - Bjulleten' Moskovskogo Obscestva Ispytatelj Prirody. Otdel Biologiceskij 88: 107-112. [RLL List # 121-92 / Rec.# 18931]
    Keywords: BIBLIOGRAPHY/ USSR/ OWN
    Abstract: [A "Recent Literature on Lichens" for the USSR. The bibliography contains 130 references; in Russian.]
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  • Trass, H 1983: Veli Rasanen ja Eesti samblikud. - Eesti Loodus 1983: 359-360. [RLL List # 122-98 / Rec.# 18932]
    Keywords: RASANEN/ MEMORIUM
    Abstract: 2 figures. [Brief note on lichenological contributions of Veli Rasanen on the 30th aniversary of his death.]
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  • Trass, H 1984: Bioindication of the city atmospheric conditions. - In: : Ecological Aspects of Urban Systems. Byelorussian Committee for the UNESCO Programme "Man and the Biosphere". "Nauka i Tekhnika", Minsk, pp. 96-109. [RLL List # 122-99 / Rec.# 18933]
    Keywords: USSR/ AIR POLLUTION/ REVIEW
    Abstract: 6 tables. [Review of literature on lichens and air pollution including species characteristic of various IAP zones. Titles and other information above are translated from the Russian.]
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  • Trass, H 1984: Lichens in the Red Data Book. - Eesti Loodus 1984(5): 299-302. [RLL List # 121-93 / Rec.# 18934]
    Keywords: CONSERVATION/ USSR/ OWN/ ENDEMIC
    Abstract: 2 color figures. [The second edtion of the Red Data Book of the U.S.S.R. contains 29 species of lichens, including endemics like Aspicilia oxneri and rare species of the Far East like Hypogymnia hypotrypella. Three of the taxa listed are found in Estonia.]
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  • Trass, H/ Randlane, T/ Piin, T 1985: On the Chemistry of Genus Asahinea (Lichens). - American Journal of Botany 72(6): 790-791. [RLL Suppl. Rec.# 886]
    Keywords: ASAHINEA/ SIBERIA
    Abstract: [New: Asahinea culbersoniorum sp. nov. (nom. nud.)]
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  • Trass, H 1985: Modern literature concerning lichens in the USSR (1982). - Bjulleten Moskovskogo Obscestva Ispytatelej Prirody. Otdel Biologiceskij 90: 115-119. [RLL List # 127-174 / Rec.# 18935]
    Keywords: BIBLIOGRAPHY/ USSR
    Abstract: [List of 102 references. In Russian.]
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  • Trass, H 1985: Modern literature concerning lichens in the USSR (1983). - Bjulleten Moskovskogo Obscestva Ispytatelej Prirody. Otdel Biologiceskij 90: 137-141. [RLL List # 127-175 / Rec.# 18936]
    Keywords: BIBLIOGRAPHY/ USSR
    Abstract: [A "Recent Literature on Lichens" for the USSR. This list contains 111 references. In Russian.]
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  • Trass, H 1985: Transplantation methods for lichen indication. - In: : Problems of Ecological Monitoring and Ecosystem Modelling. Volume VIII. State Committee for Hydrometeorology and Control of Natural Environment, U.S.S.R. Academy of Sciences, Leningrad Gidrometeoizdat, pp. 140-144. [RLL List # 130 / Rec.# 18937]
    Keywords: BIOINDICATION/ AIR POLLUTION/ USSR/ REVIEW/ TECHNIQUES/ TRANSPLANTS
    Abstract: 2 tables. [Reviews the use of transplant studies and techniques in lichen bioindication. In Russian; English abstract.]
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  • Trass, HH/ Randlane, TB 1986: Lichen species of Estonia in need of protection. - Folia Cryptogamica Estonica 21: 1-3. [RLL List # 130 / Rec.# 18883]
    Keywords: USSR/ ESTONIA/ CONSERVATION/ ENDANGERED SPECIES
    Abstract: ["A list of lichen species in need of protection and conservation is presented. Here 93 rare, relic or sensitive species are listed." In Russian; English abstract.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1413]

  • Trass, HH 1986: Modern literature concerning lichens in the U.S.S.R. (1984). - Bjulletin' Moskovskogo Obscestva Ispytatalej Pirody. Otdel Biologiceskij 91: 102-106. [RLL List # 130 / Rec.# 18894]
    Keywords: BIBLIOGRAPHY/ USSR
    Abstract: [Bibliography of 111 referecnes.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1410]

  • Trass, H 1986: Cryptoindication--a rapid and inexpensive method for determining the atmospheric pollution level. - In: : Research on Environmental Pollution and its Effects on the Biosphere. Proceedings of the Third Meeting of the International Working Group on UNESCO MAB Project 14, 29 March-3 April, 1985, Yalta, U.S.S.R. U.S.S.R. State Committee for Hydrometeorology and Control of Natural Environment, Leningrad Gidrometeoizadat, pp. 107-111. [RLL List # 130 / Rec.# 18938]
    Keywords: REVIEW/ BIOINDICATION/ AIR POLLUTION/ USSR/ TECHNIQUES
    Abstract: [Details reasons for utilization of biological indicators in air pollution studies. English and Russian versions.]
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  • Trass, H 1986: Sphaerophorus globosus in the lichen flora of Estonia. - Folia Cryptogamica Estonica 21: 11. [RLL List # 130 / Rec.# 18939]
    Keywords: USSR/ ESTONIA/ SPHAEROPHORUS
    Abstract: [Rediscovery of Sphaerophorus globosus in 1983. In Russian; English abstract.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1416]

  • Trass, H/ Randlane, T 1987: Extinct macrolichens of Estonia. - Folia Cryptogamica Estonica 25: 1-7. [RLL List # 135 / Rec.# 18879]
    Keywords: EXTINCT/ CONSERVATION/ ESTONIA/ USSR/ MACROLICHENS/ ENDANGERED
    Abstract: [38 species, not found in Estonia since World War II, are listed and considered to be extinct.]
    [Edit/Delete] [Upload PDF/URL] [ET: 2604]

  • Trass, H 1987: Cladonia maxima (Asah.) Ahti in Estonia. - Folia Cryptogamica Estonica 25: 12-15. [RLL List # 135 / Rec.# 18940]
    Keywords: CLADONIA/ ESTONIA/ USSR
    Abstract: 1 table. [Cladonia maxima is reported from Estonia and compared with several related Cladonia species.]
    [Edit/Delete] [Upload PDF/URL] [ET: 2606]

  • Trass, H/ Parn, A/ Zobel, K 1988: Lichen indicational evaluation of the air pollution level in the southern Lake Baikal region. - Acta et Commentationes Universitatis Tartuensis 812: 32-46. [RLL List # 135 / Rec.# 18877]
    Keywords: AIR POLLUTION/ USSR/ LAKE BAIKAL/ KHAMAR-DABAN MOUNTAINS/ IAP
    Abstract: 3 tables. [Air pollution study using IAP techniques in the Lake Baikal region found four pollution zones and the existence of an isolated polluted zone in the mountain forest between 1200 and 1400 meters. In Russian; English summary.]
    [Edit/Delete] [Upload PDF/URL] [ET: 2373]

  • Trass, H 1988: Cryptoindication of the level of atmospheric air pollution and ecological monitoring. - Acta et Commentationes Universitatis Tartuensis 812: 25-31. [RLL List # 135 / Rec.# 18941]
    Keywords: AIR POLLUTION/ USSR/ ESTONIA/ GENERAL
    Abstract: 1 table. [Summary article on uses of lower plants for air pollution monitoring in the Soviet Union. Article includes a table with lichen air pollution indicator species for various regions and pollution levels. In English; Russian summary.]
    [Edit/Delete] [Upload PDF/URL] [ET: 2372]

  • Trass, H/ Randlane, T 1989: Lichen conservation in Estonia. - In: : Tenth Congress of European Mycologists, Tallinn, Estonian SSR, August 1989, Abstracts. Tallinn, pp. 122. [RLL List # 148 / Rec.# 18880]
    Keywords: CONSERVATION/ ESTONIA
    [Edit/Delete] [Upload PDF/URL] [ET: 1411]

  • Trass, H 1989: Critique and Bibliography. Modern literature concerning lichens in the USSR (1985, 1986). - Bulletin of the Moscow Naturalist's Society, Biology 94(3): 130-137. [RLL List # 170 / Rec.# 18942]
    Keywords: BIBLIOGRAPHY/ RUSSIA/ USSR
    Abstract: [182 references, cross referenced by subject. In Russian.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1412]

  • Pärn, A/ Trass, HH 1990: Epiphytic lichens of mountain forests of the Khamar-Daban mountain range (the Baikal region). - Botanicheskii Zhurnal [Moscow & Leningrad] 75(3): 358-368. [RLL List # 151 / Rec.# 14120]
    Keywords: BAIKAL REGION/ RUSSIA
    Abstract: 2 fig. 2 tab. [In Russian.]
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  • Randlane, T/ Trass, H 1990: Kel silma samblike jaoks. 2. Lakmusliigid. Habesamblikud. [Indicator species in the lichen genus Usnea]. - Eesti Loodus 7: 430-433. [RLL List # 149 / Rec.# 15310]
    Keywords: BIOINDICATION/ ESTONIA/ USNEA
    Abstract: 4 fig. 2 unnumbered photo.
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  • Randlane, T/ Trass, H 1990: Kel silma samblike jaoks.... Lakmusliigid. Hallsamblikud [Indicator species in the lichen genus Hypogymnia]. - Eesti Loodus 7: 349-351. [RLL List # 149 / Rec.# 15311]
    Keywords: BIOINDICATION/ ESTONIA/ HYPOGYMNIA
    Abstract: 2 fig. 2 unnumbered photo
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  • Randlane, T/ Trass, H 1990: Kel silma samblike jaoks...3. Lakmusliigid. Lapiksamblikud. [Indicator species in the lichen genus Parmelia]. - Eesti Loodus 8: 509-512. [RLL List # 149 / Rec.# 15312]
    Keywords: AIR POLLUTION/ BIOINDICATION/ ESTONIA/ PARMELIA
    Abstract: 2 fig. 2 unnumbered photo. [In Estonian with summary in Russian and in English.]
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  • Randlane, T/ Trass, H 1990: Kel silma samblike jaoks...4. Lakmusliigid. Kopsusamblikud. [Indicator species in the lichen genus Lobaria]. - Eesti Loodus 9: 570-572. [RLL List # 149 / Rec.# 15313]
    Keywords: AIR POLLUTION/ BIOINDICATION/ ESTONIA/ LOBARIA
    Abstract: 4 unnumbered fig. [In Estonian with summary in Russian and in English.]
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  • Trass, H 1990: Mapping of threatened lichens in USSR and general considerations on a European project. - Stuttgarter Beitrage zur Naturkunde, Ser. A Nr. 456: 35-39. [RLL List #  / Rec.# 18943]
    Keywords: ESTONIA/ MAPPING/ USSR
    Abstract: 3 tab.
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  • Randlane, T/ Trass, H 1991: Kel silma samblike jaoks. 5. Lakmusliigid [Indicator species in the lichen genus Bryoria (part 5)]. - Eesti Loodus 1991(No. 3): 172-176. [RLL List #  / Rec.# 15314]
    Keywords: AIR POLLUTION/ ESTONIA
    Abstract: 2 fig. 6 unnumbered photos [In Estonian, with summary in Russian and in English.]
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  • Randlane, T/ Trass, H 1991: Kel silma samblike jaoks. 6. Lakmusliigid [Indicator species in the lichen genus Xanthoria (part 6)]. - Eesti Loodus 1991(No. 4): 220-223. [RLL List #  / Rec.# 15315]
    Keywords: AIR POLLUTION/ ESTONIA
    Abstract: 5 unnumbered fig. [In Estonian, with summary in Russian and in English.]
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  • Randlane, T/ Trass, H 1991: Kel silma samblike jaoks. 7. Lakmusliigid [Indicator species in the lichen genus Lecanora]. - Eesti Loodus 1991(No. 11): 660-664. [RLL List #  / Rec.# 15316]
    Keywords: AIR POLLUTION/ ESTONIA
    Abstract: 5 unnumbered fig. [In Estonian, with summary in Russian and in English.]
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  • Trass, H/ Randlane, T 1991: The Swedish lichenologists and the Estonian flora. - Folia Cryptogamica Estonica 28: 1-4. [RLL List #  / Rec.# 18881]
    Keywords: ESTONIA
    Abstract: [Includes a very brief history of lichenology in Estonia.]
    [Edit/Delete] [Upload PDF/URL] [ET: 1708]

  • Trass, H 1992: A new species of Asahinea (Ascomycotina, Parmeliaceae). - Folia Cryptogamica Estonica 29: 31-32. [RLL List # 150 / Rec.# 18944]
    Keywords: ASAHINEA/ RUSSIA
    Abstract: 1 tab. [New: Asahinea culbersoniorum sp. nov.]
    [Edit/Delete] [Upload PDF/URL] [ET: 2104]

  • Trass, H 1992: Synopsis of the lichen genus Heterodermia (Ascomycotina, Physciaceae sive Pyxinaceae). - Folia Cryptogamica Estonica 29: 1-24. [RLL List # 150 / Rec.# 18945]
    Keywords: ANAPTYCHIA/ HETERODERMIA/ RUSSIA
    Abstract: 1 tab. [Provides a tabular summary of the morphology, chemistry, and distribution of the presently accepted 81 species of Heterodermia. New: H. intermedia sp. nov., H. allardii (Kurok.) comb. nov., H. cubensis (Kurok.) comb. nov., H. fragilissima (Kurok.) comb. nov., H. kurokawae nom. nov. (for Anaptychia albicans Kurok.), H. lamelligera (Tayl.) comb. nov., H. multiciliata (Kurok.) comb. nov., H. obesa (Pers.) comb. nov., H. palpebrata (Tayl.) comb. nov., H. pandurata (Kurok.) comb. nov., H. rugulosa (Kurok.) comb. nov., H. spinulosa (Kurok.) comb. nov., H. subascescens (Asah.) comb. nov., H. subcomosa (Nyl.) comb. nov., H. trichophora (Kurok.) comb. nov.]
    [Edit/Delete] [Upload PDF/URL] [ET: 2101]

  • Trass, H/ Randlane, T (eds.) 1994: Eesti Suursamblikud [Macrolichens of Estonia]. - Tartu. 399 pp. [RLL List # 159 / Rec.# 18878]
    Keywords: ESTONIA/ FLORA/ MACROLICHENS
    Abstract: 96 plates [Treatment of 382 species of macrolichens in 72 genera, including descriptions and keys. Includes a general introduction on the structure, biology, and systematics of lichens. In addition to the two editors, 11 other authors contributed to the various parts of this volume: S. Liiv, E. Nilson, J. Martin, L. Martin, E. Parmasto, A. Pärn, J. Püttsepp, A. Roosma, A. Saag, E. Sander, and K. Zobel. Illustrations were prepared by T. Aimla.]
    [Edit/Delete] [Upload PDF/URL] [ET: 2639]

  • Trass, H 1994: Corrections and additions to the flora of the lichen genus Cladonia in Estonia. - Acta Botanica Fennica 150: 201-208. [RLL List # 156 / Rec.# 18946]
    Keywords: CLADONIA/ ESTONIA
    Abstract: 4 fig. [Fifty-one species of Cladonia are accepted for Estonia, four of them new to the country: C. borealis, C. cryptochlorophaea, C. merochlorophaea, and C. metacorallifera.]
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  • Trass, H 1994: Liigirohke elustik on Eestimaa rikkus [Biodiversity of the Estonian flora and fauna constitutes the wealth of our country]. - Eesti Loodus 1994: 34-36&64. [RLL List # 170 / Rec.# 18947]
    Keywords: BIODIVERSITY/ ENDANGERED SPECIES/ ESTONIA/ EXTINCTION
    Abstract: 1 tab. 3 photos [Includes 786 lichens, of which 38 are said to be extinct in Estonia.]
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  • Trass, H 1997: Lichen mapping in Europe: Letharia vulpina, Menegazzia terebrata [Euroopa samblike kaardistamine: Letharia vulpina, Menegazzia terebrata]. - Proceedings of the Estonian Academy of Sciences, Biology, Ecology 46(4): 195-213. [RLL List # 170 / Rec.# 18948]
    Keywords: DISTRIBUTION/ ENDANGERED SPECIES/ EUROPE/ LETHARIA/ MAPPING/ MENEGAZZIA/ RED LIST
    Abstract: 3 tab. 2 map [Maps are presented for two threatened species.]
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  • Trass, H 1998: Erasmus Mycophilus. - Folia Cryptogamica Estonica 33: 5-7. [RLL List # 174 / Rec.# 18949]
    Keywords: BASIDIOLICHENS/ ESTONIA/ PARMASTO
    Abstract: 1 photo [Profile of the eminent Estonian mycologist, Erast Parmasto.]
    [Edit/Delete] [Upload PDF/URL] [ET: 3336]

  • Trass, H 1998: Lichen mapping in Europe: an experience with two species [Flechtenkartierung in Europa: Eine Erfahrung mit zwei Arten]. - Sauteria 9: 181-219. [RLL List # 173 / Rec.# 18950]
    Keywords: ESTONIA/ EUROPE/ LETHARIA/ MAPPING/ MENEGAZZIA
    Abstract: 6 tab. 26 maps [European maps for Letharia vulpina and Menegazzia terebrata. (From the IAL3 Symposium, held Sept. 1-7, 1996, in Salzburg, Austria, Poster Contributions.)]
    [Edit/Delete] [Upload PDF/URL] [ET: 3337]

  • Trass, H 1998: List of physcioid macrolichens of Russian Far East and Siberia. - Folia Cryptogamica Estonica 33: 147-151. [RLL List # 174 / Rec.# 18951]
    Keywords: PHYSCIACEAE/ RUSSIA/ SIBERIA
    Abstract: [Lists 81 species in the genera Phaeophyscia (20), Heterodermia (20), Physconia (13), Physcia (11), Anaptychia (8), Pyxine (3), Phaeorrhiza (2), Dimelaena, Dirinaria, Hyperphyscia, Tornabenia (1 of each).]
    [Edit/Delete] [Upload PDF/URL] [ET: 3338]

  • Trass, H 1999: Primeval forest hemerophobic lichens: conservation strategy. - In: Anon. (ed.): International Conference on Lichen Conservation Biology, Licons. Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland, pp. 77. [RLL List # 180 / Rec.# 21455]
    Keywords: CONSERVATION/ OLD GROWTH FORESTS
    Abstract: [Abstract.]
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  • Trass, H/ Vellak, K/ Ingerpuu, N 1999: Floristical and ecological properties for identifying of primeval forests in Estonia. - Annales Botanici Fennici 36: 67-80. [RLL List # 175 / Rec.# 18882]
    Keywords: ESTONIA/ FOREST DECLINE/ FOREST MANAGEMENT/ OLD GROWTH FORESTS
    Abstract: 6 tab.
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  • Trass, H 2000: The lichen genus Heterodermia (Lecanorales, Physciaceae) in Russia and adjacent territories [Samblikuperekond Heterodermia (Lecanorales, Physciaceae) Venemaal ja sellele lähedastel aladel]. - Folia Cryptogamica Estonica 37: 93-108. [RLL List # 182 / Rec.# 21650]
    Keywords: HETERODERMIA/ PHYSCIACEAE/ RUSSIA/ USSR
    Abstract: [Descriptions and discussions for 20 species occurring in the former USSR. New: Heterodermia hypoleuca var. divergens var. nov., H. isidiophora var. coralligera var. nov.]
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  • Trass, H 2004: Lichenology and lichen biodiversity in Estonia. - In: Randlane, T/Saag, A (eds.): Book of Abstracts of the 5th IAL Symposium. Lichens in Focus. Tartu University Press, pp. 37. [RLL List # 197 / Rec.# 26410]
    Keywords: BIODIVERSITY/ ESTONIA
    Abstract: [Abstract from "The 5th Symposium of the International Association for Lichenology" held in Tartu, Estonia, 16-21 August 2004.]
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  • Trass, H 2004: Lichens in Estonia: a comparison between primeval and harvested forests. - In: Randlane, T/Saag, A (eds.): Book of Abstracts of the 5th IAL Symposium. Lichens in Focus. Tartu University Press, pp. 37. [RLL List # 197 / Rec.# 26409]
    Keywords: CONSERVATION/ ESTONIA/ FOREST MANAGEMENT
    Abstract: [Abstract from "The 5th Symposium of the International Association for Lichenology" held in Tartu, Estonia, 16-21 August 2004.]
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    Number of records in database: 41416.
    Current date: 2019.04.21.OK