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:
Greenland,
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. **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
Ericaceæ,
Vacciniaceæ og
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:
Calluna vulgaris,
Empetrum nigrum,
Erica tetralix,
Vaccinium myrtillus,
Vaccinium oxycoccos,
Vaccinium uliginosum,
Vaccinium vitis-idaea,
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:
Greenland,
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
heaths of the
Faeroes. Biologiske Meddelelser /
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:
Denmark,
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:
Denmark,
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:
Denmark,
Heath,
vegetation • Nordische Verbreitungstypen.
Svensk Botanisk Tidskrift 37: 352-370. 1943. • Keywords:
Scandinavia,
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:
Denmark,
grassland,
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
Geranium robertianum L. Biologiske Meddelelser /
Kongelige Danske Videnskabernes Selskab 20, 8: 1-29. 1947. • Keywords: cytology,
ecotype •
Festuca polesica Zapał., its
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 geography and
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. **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 • &
Kai Larsen.
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. [http://pubs.aina.ucalgary.ca/arctic/Arctic4-1-50.pdf • Botanical investigations in South West
Greenland, 1946. Arctic 4 (1): 46-49. 1951. * 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. [https://dx.doi.org/10.2307/2257919 • Keywords:
plant geography,
Holarctic • Studies on the distribution of the units within the collective species of
Stellaria longipes.
Botanisk Tidsskrift 48: 401-420. 1951. • Keywords:
Caryophyllaceae,
Greenland,
plant geography • Cytological and
embryologal studies in the
amphiapomictic Arabis holboellii complex. Biologiske Skrifter /
Kongelige Danske Videnskabernes Selskab 6, 7: 1-59. 1951. •
Lichen-
heaths and plant
succession at Østerby on the isle of
Læsø in the
Kattegat. Biologiske Skrifter /
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
Greenland. III.
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
European calcareous fixed
dune communities.
Vegetatio 5-6: 562-570. 1954. **Keywords:
dune,
vegetation • Experimental taxonomical studies in the
Arabis holboellii complex.
Svensk Botanisk Tidskrift 48: 31-44. 1954. • Natural populations of
Pulsatilla in
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. [http://pubs.aina.ucalgary.ca/arctic/Arctic7-3&4-284.pdf • &
K. Larsen & K. Rahn. Experimental and cytological studies on plant species II.
Trifolium arvense and some other pauciennial herbs. Biologiske Skrifter /
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:
Anthriscus sylvestris,
Arabis glabra,
Arnica montana,
Centaurea scabiosa,
Chaerophyllum temulum,
Cytisus scoparius, cytology,
Dryas octopetala,
Geranium robertianum,
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:
Greenland,
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). • &
K. Larsen. Cytotaxonomical studies in the
Chrysanthemum leucanthemum complex.
Watsonia 4: 11-16. 1957. • Plants collected by Danish
geodesists in
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. **Keywords:
methodology,
vegetation • &
K. Larsen. Experimental and cytological studies on plant species. IV. Further studies in short-lived herbs. Biologiske Skrifter /
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. [https://www.jstor.org/stable/2429734 • 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
Campanula rotundifolia complex. Biologiske Skrifter /
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
hybrid Chamaenerion angustifolium ×
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.
Geranium sanguineum. Biologiske Skrifter /
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
Viscaria alpina. Biologiske Skrifter /
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. * 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. [https://dx.doi.org/10.2307/1216371 • & O.B. Lyshede. Anatomical studies in xerophytic apophyllous plants. l.
Monttea aphylla,
Bulnesia retama and
Bredemeyera colletioides. Biologiske Skrifter /
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. * 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,
Phytogeography and Evolution" (edit. by
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. [https://www.jstor.org/stable/2441532 • & 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:
Denmark,
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:
ecotype,
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
Prosopis kuntzei Harms. Biologiske Skrifter /
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,
ecotype,
Lychnis alpina,
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
C4 grass,
Sporobolus rigens (Tr.) Desv. Biologiske Skrifter /
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. •
1980-1983 • Evolutionary trends in
Ericalean leaf structure. Biologiske Skrifter /
Kongelige Danske Videnskabernes Selskab 23, 2: 1-64. 1981. • A developmental analysis of the photosynthesizing organs in
Prosopis kuntzei. Biologiske Skrifter /
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==