Tyge W. Böcher

Tyge Wittrock Böcher (25 October 1909 – 15 March 1983) was a

He was born in Copenhagen to physician Einar Böcher and wife Cathinca née Andersen. Steen B. Böcher, professor of geography, was his brother.

Tyge Böcher was professor of

He was a co-founder of Flora Europaea and he authored the Flora of Greenland (1968).

The genus Boechera Á.Löve & D.Löve is named after him.

Scientific works by T.W. Böcher

1932-1935

• Beiträge zur Zytologie der Gattung Anemone. Botanisk Tidsskrift 42: 183-206. 1932.
  • Keywords: Pulsatilla pratensis, Pulsatilla vernalis, Pulsatilla vulgaris, cytology
• Phytogeographical studies of the Greenland flora based upon investigations of the coast between Scoresby Sound and Angmagsalik. Meddelelser om Grønland 104, 3. 1933.
  • Keywords:
    plant geography
• Studies on the vegetation of the East coast of Greenland between Scoresby Sound and Angmagsalik (Christian IX's Land). Meddelelser om Grønland 104, 4. 1933
  • Keywords: Greenland, arctic vegetation
• Botany. Appendix to Ejnar Mikkelsen: The Blosseville Coast of East Greenland. Geographical Journal (London) 81: 400-402. 1933. [1]
  • Keywords: Greenland, arctic vegetation
• Om en måde til undersøgelse af konstans, skudtæthed og homogenitet (Eng. summ. On a method for investigating constancy, shoots density and homogeneity). Botanisk Tidsskrift 43: 278-304. 1935.
  • Keywords: methodology, vegetation

1936-1939

• cytological studies on Campanula rotundifolia. Hereditas 22: 269-277. 1936.
• Udbredelsen af
  Empetraceæ i Danmark. Summary: The distribution of the Ericaceæ, Vacciniaceæ and Empetraceæ in Denmark (Danmarks topografisk-botaniske Undersøgelse Nr. 3). Botanisk Tidsskrift
  44: 5-40, 12 maps. 1937.
  • Keywords:
    plant geography
• Nogle studier over Færøernes alpine vegetation [Zusammenfassung: Einige Studien über die alpine Vegetation der Färöer Inseln]. Botanisk Tidsskrift 44: 154-201. 1937.
  • Keywords: Faroe Islands, vegetation
• Biological distributional types in the flora of Greenland. A study on the flora and plant-geography of South Greenland and East Greenland between Cape Farewell and Scoresby Sound. Doctoral thesis, University of Copenhagen. Meddelelser om Grønland 106, 2: 1-136. 1938.
  • Keywords:
    plant geography
• cytological studies in the genus Ranunculus. Dansk Botanisk Arkiv 9, 4: 1-33. 1938.
• Zur Zytologie einiger arktischen und borealen Blütenpflanzen. Svensk Botanisk Tidskrift 32: 346-361. 1938.

1940-1944

• Studies on the plant-geography of the North-Atlantic heath-formation. I. The
  Kongelige Danske Videnskabernes Selskab
  15, 3: 1-64. 1940.
  • Keywords: vegetation
• Introductory studies on variation and life-forms in Brunella vulgaris L. Dansk Botanisk Arkiv 10, 3: 1-15. 1940.
  • Keywords: ecotype
• Vegetationen på Randbøl Hede. Med særlig hensyntagen til det fredede areal. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  1, 3: 1-234. 1941.
  • Keywords:
    Heath, vegetation
• Beiträge zur Pflanzengeographie und Ökologie dänischer Vegetation. 1. Über die Flechtenheiden und Dünen der Insel Läsö. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  2, 1: 1-38. 1941.
  • Keywords:
    Heath, Lichen, vegetation
• On the origin of Saxifraga nathorsti (Dusén) v. Hayek. Meddelelser om Grønland 131, 2: 1-14. 1941.
  • Keywords: Greenland, speciation
• Vegetationsstudier på halvøen Ulvshale. Botanisk Tidsskrift 46: 1-42. 1942.
  • Keywords: Denmark, vegetation
• Studies on variation and biology in Plantago lanceolata L. Dansk Botanisk Arkiv. 11,3: 1-18. 1943.
  • Keywords: ecotype
• Studies on the plant geography of the North-Atlantic heath formation II. Danish dwarf shrub communities in relation to those of Northern Europe. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  2, 7: 1-130. 1943.
  • Keywords:
    Heath, vegetation
• Nordische Verbreitungstypen. Svensk Botanisk Tidskrift 37: 352-370. 1943.
  • Keywords:
    plant geography
• Polyploidy in the genus Koeleria. Hereditas 29: 499-500. 1943.
  • Keywords: cytology, Koeleria glauca, Koeleria pyramidata
• The leaf size of Veronica officinalis in relation to genetic and environmental factors. Dansk Botanisk Arkiv 11, 7: 1-20. 1944.
  • Keywords: cytology, ecotype

1945-1949

• Beiträge zur Pflanzengeographie und Ökologie Dänischer Vegetation. II. Über die Waldsaum- und Graskrautgesellschaften trockener und halbtrockener Böden der Insel Seeland mit besonderer Berücksichtigung der Strandabhänge und Strandebenen. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  4, 1: 1-163. 1945.
  • Keywords:
    plant geography, vegetation
• Meiosis in Anemone apennina with special reference to chiasma localisation. Hereditas 31: 221-237. 1945.
  • Keywords: cytology
• Ochromonas viridis sp.n., a green flagellate belonging to Chrysomonadinae. Videnskabelige meddelelser fra Dansk Naturhistorisk Forening 108: 233-238. 1945.
  • Keywords: algae
• Græs-urte-vegetationen pa Høje Møn. Botanisk Tidsskrift 48: 1-45. 1946.
  • Keywords: Denmark, grassland, vegetation
• Dichothrix gelatinosa sp. n. Its structure and resting organs. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  4, 4: 1-14. 1946.
  • Keywords: algae
• Some experiments to elucidate the influence of winter conditions on shoot development and floral initiation on various races of Prunella vulgaris and Ranunculus acer. Dansk Botanisk Arkiv 12, 3: 1-16. 1946.
  • Keywords: ecotype
• Pseudanabaena biceps, a new sapropelic species from bottom mud. Botaniska Notiser 1946: 281-284. 1946
  • Keywords: algae
• Cytogenetic and biological studies in
  Kongelige Danske Videnskabernes Selskab
  20, 8: 1-29. 1947.
  • Keywords: cytology, ecotype
• chromosome number and occurrence in Denmark. Botaniska Notiser
  1947: 353-360. 1947.
  • Keywords: cytology
• Cytological studies of Arabis holboellii Hornem. Hereditas 33: 573. 1947.
• & T. Christensen & M.S. Christiansen. Slope and dune vegetation of North Jutland. I. Himmerland. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  4, 4: 1-78. 1946.
  • Keywords: Denmark, dune, grassland, vegetation
• plant sociology
  . In: The Humanities and Sciences in Denmark during the Second World War; pp. 309–312. Copenhagen 1948.
• Contributions to the flora and
  plant geography of West Greenland. I. Selaginella rupestris and Sisyrinchium montanum. Meddelelser om Grønland
  147, 3: 1-26. 1948.
• Studies on the sapropelic flora of the lake Flyndersø with special reference to the Oscillatoriaceae. Biologiske Meddelelser /
  Kongelige Danske Videnskabernes Selskab
  21, 1: 1-46. 1949.
  • Keywords: algae
• The botanical expedition to West Greenland 1946. Meddelelser om Grønland 147, 1: 1-28. 1949.
• Climate, soil and lakes in continental West Greenland in relation to plant life. Meddelelser om Grønland 147, 2: 1-63. 1949.
• Racial divergences in Prunella vulgaris in relation to habitat and climate. New Phytologist 48: 285-314. 1949. [2]
  • Keywords: ecotype

1950-1954

• Structure and biology of four species of the Stigonemataceae from a shallow pool at Ivigtut. Meddelelser om Grønland 147, 5: 1-120. 1950.
  • Keywords: algae, Greenland'
• Chromosome behaviour and syncyte formation in Phleum phleoides (L.) Karst. Botaniska Notiser 1950: 353-368. 1950.
  • Keywords: cytology
• &
  Chromosome numbers of some Arctic or boreal flowering plants. Meddelelser om Grønland
  147, 6: 1-32. 1950.
• Contributions to the flora and
  plant geography of West Greenland II. The Carex capitata-, the Luzula multiflora-, and the Torularia humilis-complexes. Meddelelser om Grønland
  147, 7: 1-39. 1950.
  • Keywords: arctic vegetation
• A. Noe-Nygaard, Chr. Vibe T.W. Böcher & E. Holtved. Notes on Danish scientific work since 1939. Arctic 4: 50-56. 1951. [3]
• Botanical investigations in South West Greenland, 1946. Arctic 4 (1): 46-49. 1951. [4]
• Studies on morphological progression and evolution in the vegetable kingdom. Biologiske Meddelelser /
  Kongelige Danske Videnskabernes Selskab
  18, 13: 1-51. 1951.
  • Keywords: evolution
• Distributions of plants in the circumpolar area in relation to ecological and historical factors. Journal of Ecology 39: 376-395. 1951. [5]
  • Keywords:
    Holarctic
• Studies on the distribution of the units within the collective species of Stellaria longipes. Botanisk Tidsskrift 48: 401-420. 1951.
  • Keywords:
    plant geography
• Cytological and
  Kongelige Danske Videnskabernes Selskab
  6, 7: 1-59. 1951.
• Kongelige Danske Videnskabernes Selskab
  7, 4: 1-24. 1952.
  • Keywords: Denmark, vegetation
• A study of the circumpolar Carex heleonastes-amblyorhyncha complex. Acta Arctica 5: 1-31. 1952.-
  • Keywords: Greenland, speciation
• Contributions to the flora and plant geography of West
  Vascular plants collected or observed during the botanical expedition to West Greenland 1946. Meddelelser om Grønland
  147, 9: 1-85. 1952.
• Vegetationsudvikling i forhold til marin akkumulation. 1. Korshage ved indløbet til
  Isefjord. Botanisk Tidsskrift
  49: 1-32. 1952.
  • Keywords: Denmark, succession, vegetation
• Some small collections of
  vascular plants form the Southern part of Greenland. Botanisk Tidsskrift
  49: 196-198. 1952.
• & K. Larsen & K. Rahn. Experimental and cytological studies on plant species. 1. Kohlrauschia prolifera and Plantago coronopus. Hereditas 39: 289-304. 1953.
• Cultivation experiments with Geranium robertianum, Veronica officinalis and Prunella vulgaris. Proc. 7th International Bot. Congr. Stockholm 1950: 268-269. 1953.
• The steppe vegetation in continental West Greenland. Proc. 7th International Bot. Congr. Stockholm 1950: 612-613. 1954.
  • Keywords: Greenland, vegetation
• Studies on
  Vegetatio 5-6: 562-570. 1954. [6]
  • Keywords: dune, vegetation
• Experimental taxonomical studies in the Arabis holboellii complex. Svensk Botanisk Tidskrift 48: 31-44. 1954.
• Natural populations of
  Zealand. Botanisk Tidsskrift
  51: 33-47. 1954.
  • Keywords: Pulsatilla pratensis, Pulsatilla vulgaris
• Oceanic and continental vegetational complexes in Southwest Greenland. Meddelelser om Grønland 148, 1: 1-336. 1954.
  • Keywords: Greenland, vegetation

1955-1959

• Böcher, T.W., Holmen, K. & Dunbar, M.J. Recent biological research in Greenland. Arctic 7 (3-4): 284-295. 1955. [7]
• &
  Kongelige Danske Videnskabernes Selskab
  8, 3: 1-31. 1955.
  • Keywords:
    Acinos arvensis, cytology, Galium aparine, Petrorhagia prolifera, Trifolium arvense
• & K. Larsen & K. Rahn. Experimental and cytological studies on plant species III. Plantago coronopus and allied species. Hereditas 41: 423-453. 1955.
• & K. Larsen. Chromosome studies on some European flowering plants. Botanisk Tidsskrift 52: 125-132. 1955.
  • Keywords:
    Senecio jacobaea, Vincetoxicum hirundinaria
• Further studies in Braya humilis and allied species. Meddelelser om Grønland 124, 7: 1-29. 1956.
• Area-limits and isolations of plants in relation to the physiography of the southern parts of Greenland. Meddelelser om Grønland 124, 8: 1-40. 1955.
  • Keywords:
    plant geography
• Hieracium acranthophorum var. isortoqense var. nov. With remarks on the section Foliosa in Greenland. Botanisk Tidsskrift 53: 279-283. 1957.
• & K. Larsen. Cytotaxonomical studies in the Sanguisorba minor complex. Botanisk Tidsskrift 53: 284-290. 1957.
• & K. Holmen & K. Jakobsen. Grønlands flora (ill. by Ingeborg Frederiksen). København. 313 pp. 1957. (2nd edn 1966; Engl. edn. ‘’’Flora of Greenland’’’ 1968; 3rd edn 1978).
• &
  Watsonia
  4: 11-16. 1957.
• Plants collected by Danish
  Scoresbysund. Botanisk Tidsskrift
  54: 61-63. 1958.
• Chromosome studies in the Ranunculus polyanthemus complex. Botanisk Tidsskrift 54: 160-166. 1958.
• & M.W. Bentzon. Density determinations in plant communities. Oikos 9: 35-36. 1958. [8]
  • Keywords: methodology, vegetation
• &
  Kongelige Danske Videnskabernes Selskab
  10, 2: 1-24. 1958.
  • Keywords: Aira caryophyllea, Aira praecox, Alyssum alyssoides, Arabidopsis thaliana, Arenaria serpyllifolia, Bromus hordeaceus, cytology, Geranium molle, Moehringia trinervia, Phleum arenarium, Teesdalia nudicaulis, Trifolium arvense
• & K. Larsen. Secondary polyploidy and ecotypical differentiation in Sarothamnus scoparius. New Phytologist 57: 311-317. 1958. [9]
  • Keywords: cytology, Fabaceae
• & K. Larsen. Geographical distribution of initiation of flowering, growth habit, and other characters in Holcus lanatus L. Botaniska Notiser 111: 289-300. 1958.
  • Keywords: ecotype, phenology, Poaceae
• Tetraploid and hexaploid Trisetum spicatum coll. A cytotaxonomical study. Botanisk Tidsskrift 55. 23-29. 1959.
• The evolution of Arctic and montane plant taxa in the light of chromosome studies and comparative cultivations. Proc. 9. Internat. Bot. Congr. II A: 3-4. 1959.
  • Keywords: evolution
• The chromosomes of Anemone richardsoni Hook. Botaniska Notiser 112: 353-363. 1959.
• Floristic and ecological studies in Middle West Greenland. Meddelelser om Grønland 156, 5: 1-68. 1959.
• & K. Holmen & K. Jakobsen. A synoptical study of the Greenland flora. Meddelelser om Grønland 163, 1: 1-32. 1959.

1960-1964

• Experimental and cytological studies on plant species. V. The
  Kongelige Danske Videnskabernes Selskab
  11, 4: 1-69. 1960.
• Infraspecific differentiation (Coreferate). Planta Medica 8: 224-225. 1960.
  • Keywords: ecotype, evolution
• Floristic and taxonomic activity in Denmark since 1945 essential to the work of Flora Europaea. Floristic Reports, Flora Europaea Genova Symposium 21–28 May 1961: 1-8, 1961.
• The development of cytotaxonomy since Darwin's time. In: A Darwin Centenary”, P.J. Wanstall (ed.): 26-43. 1961.
  • Keywords: cytology, evolution
• Bibliographia Phytosociologica: Grönland. Excerpta Botanica sect. B. 3: 61-67. 1961.
• The evolution of Arctic and montane plant taxa in the light of chromosome studies and comparative cultivations. In: Recent Advances in Botany (Toronto): 925-928. 1961.
  • Keywords: cytology, ecotype, evolution
• Experimental and cytological studies on plant species. VI. Dactylis glomerata and Anthoxanthum odoratum. Botanisk Tidsskrift 56: 314-335. 1961.
  • Keywords: ecotype, Poaceae
• Studies on
  Pyrolaceae - two interesting Wintergreens from West Greenland. Botanisk Tidsskrift
  57: 28-37. 1961.
• A cytological and morphological study of the species
  C. latifolium. Botanisk Tidsskrift
  58: 1-34. 1962.
• & S. Lægaard. Botanical studies along the Arfersiorfik Fjord, West Greenland. Botanisk Tidsskrift 58: 168-190. 1962.
• & M.C. Lewis. Experimental and cytological studies on plant species. VII.
  Kongelige Danske Videnskabernes Selskab
  11, 5: 1-25. 1962.
• Floristic and taxonomic activity in Denmark between 1945 and 1960. Webbia 18: 165-172. 1963.
• A
  cytology deviating west-alpine Campanula of the C. rotundifolia group. Botaniska Notiser
  116: 113-121. 1963.
  • Keywords: ecotype
• The study of ecotypical variation in relation to experimental morphology. (Symposium on biosystematics, Montreal 1962). Regnum Vegetabile 27: 10-16. 1963.
  • Keywords: ecotype
• Phytogeography of Greenland in the light of recent investigations. In: "North Atlantic Biota and Their History" (ed. A. & D. Löve
  ), Oxford, Pergamon Press: 285-295. 1963.
• & J.P. Hjerting & K. Rahn. Botanical studies in the
  Atuel Valley area, Mendoza Province, Argentina. Part l. Dansk Botanisk Arkiv
  22, 1: 1-115. 1963.
• Experimental and cytological studies on plant species. VIII. Racial differentiation in amphi-atlantic
  Kongelige Danske Videnskabernes Selskab
  11, 6: 1-33. 1963.
  • Keywords: Caryophyllaceae, ecotype
• Phytogeography of Middle West Greenland. Meddelelser om Grønland
  148, 3: 1-289. 1964.
• & J.P. Hjerting. Utilization of seeds from botanical gardens in biosystematic studies. Taxon 13: 95-98. 1964. [10]
• Chromosome connections and aberrations in the Campanula persicifolia group. Svensk Botanisk Tidskrift 58: 1-17. 1964.
• Morphology of the vegetative body of Metasequoia glyptostroboides. Dansk Botanisk Arkiv 24, 1: 1-70. 1964.

1965-1969

• Experimental and cytological studies on plant species. IX. Some Arctic and montane Crucifers. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  14, 7: 1-74. 1966.

Keywords: Brassicaceae

• Experimental and cytological studies on plant species. X. Sisyrinchium with special reference to the Greenland representative. Botanisk Tidsskrift 61: 273-290. 1966.
  • Keywords: Sisyrinchium groenlandicum
• Experimental and cytological studies on plant species. XI. North Atlantic tetraploids of the Campanula rotundifolia complex. Annales Botanici Fennici 3: 287-298. 1966.
  • Keywords: Campanula gieseckiana, Campanula rotundifolia, cytology, ecotype
• Continuous variation and taxonomy. Taxon 16: 225-258. 1967. [11]
• & O.B. Lyshede. Anatomical studies in xerophytic apophyllous plants. l.
  Kongelige Danske Videnskabernes Selskab
  16, 3: 1-44. 1968.
• & J.P. Hjerting & K. Rahn. Botanical studies in the
  Atuel Valley Area, Mendoza Province, Argentina. Part II. Dansk Botanisk Arkiv
  22, 2: 1-178. 1968.
• Experimental and cytological studies on plant species. XII. Sibbaldia procumbens and S. macrophylla. Svensk Botanisk Tidskrift 63: 188-200. 1969.
  • Keywords: cytology, ecotype
• Further studies in Arabis holboellii and allied species. Botanisk Tidsskrift 64: 141-161. 1969.

1970-1974

• The present status of biosystematics. Taxon 19: 3-5. 1970. [12]
• Anatomical studies in Cotton-Thorn, Tetradymia axillaris A. Nels. Naturaliste Canad. 98: 225-250. 1971.
• Variational pattern in Clinopodium vulgare L. In: Evolution in Plants - Symposium held 1–4 September 1970 at Tihany, Hungary, 12: 23-29. 1972.
  • Keywords: ecotype, Lamiaceae
• Evolutionary problems in the Arctic flora. In: “Taxonomy,
  D.H. Valentine
  ), London; pp. 101–113. 1972.
  • Keywords: evolution
• Leaf anatomy in Sporobolus rigens (Tr.) Desv. (Gramineae). Botaniska Notiser 124: 344-360, 1972.
• Comparative anatomy of three species of the apophyllous genus Gymnophyton. American Journal of Botany 59: 494-503. 1972. [13]
• & J.P. Hjerting & K. Rahn. Botanical studies in the
  Atuel Valley Area, Mendoza Province, Argentina. Part III. Dansk Botanisk Arkiv
  22, 3: 189-358. 1972.
• & C.A. Jørgensen. Jyske dværgbuskheder. Eksperimentelle undersøgelser af forskellige kulturindgrebs indflydelse på vegetationen. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  19, 5: l-55. 1972.
  • Keywords:
    Heath, conservation management
• & O.B. Lyshede. Anatomical studies on xerophytic apophyllous plants. II. Additional species from South American shrub steppes. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  18, 4: 1-137. 1972.
• Interspecific hybridization in Braya (Cruciferae). Annales Botanici Fennici 10: 57-65. 1973.
  • Keywords: Braya humilis, Braya purpurascens, speciation
• Variation and distribution pattern in Draba sibirica (Pall.) Thell. Botaniska Notiser 127: 317-327. 1974.
  • Keywords:
    plant geography

1975-1979

• Density determinations in Arctic plant communities. Phytocoenologia 2: 73-86. 1975.
  • Keywords: Arctic, methodology, vegetation
• Structure of the multinodal photosynthetic thorns in
  Kongelige Danske Videnskabernes Selskab
  20, 8: 1-43. 1975.
• Experimental and cytological studies on plant species. XIII. Clinopodium vulgare L. Botanisk Tidsskrift 70: 152-179. 1975.
  • Keywords: cytology, ecotype
• Convergence as an evolutionary process. Botanical Journal of the
  Linnean Society
  75: 1-19. 1977.
  • Keywords: evolution
• Cerastium alpinum and C. arcticum - a mature polyploid complex. Botaniska Notiser 130: 303-309. 1977.
  • Keywords: cytology, ecotype
• Ecogeographical classification of arctic vegetation based on shoots density determinations. Meddelelser om Grønland 199, 6: 1-61. 1977.
  • Keywords:
    plant geography, vegetation
• Experimental and cytological studies on plant species. XIV. Artificial hybridizations in
  Viscaria. Botanisk Tidsskrift
  72: 31-44. 1977.
  • Keywords: cytology,
    Lychnis viscaria
• Phytogeography of Greenland
  (Survey and methods). In: B.A. Yurtsev, The Arctic floristic region, papers read at the symposium "Floristic delimitation and subdivision of the Arctic", 8 July, 1975 in Leningrad; 127-142. 1978.
• & P. Olesen. Structural and ecophysiological pattern in the xero-halophytic
  Kongelige Danske Videnskabernes Selskab
  22, 3: 1-48. 1978.
• Xeromorphic leaf types: Evolutionary strategies and tentative semophyletic sequences. Biologiske Skrifter /
  Kongelige Danske Videnskabernes Selskab
  22, 8: 1-71. 1979.
• Birch woodlands and tree growth in Southern
  Holarctic Ecology 2: 218-221. 1979. [14]

• Evolutionary trends in
  Kongelige Danske Videnskabernes Selskab
  23, 2: 1-64. 1981.
• A developmental analysis of the photosynthesizing organs in
  Kongelige Danske Videnskabernes Selskab
  23, 4: 1-50. 1982.
• The allotetraploid Saxifraga nathorstii and its probable progenitors S. aizoides and S. oppositifolia. MoG Bioscience 11: 1-22. 1983.
  • Keywords: cytology, speciation

Works on T. W. Böcher

• JSTOR 1551177
  .