International Botanical Congress

Postage stamp (USSR) for the 1975 congress International Botanical Congress (IBC) is an international meeting of botanists in all scientific fields, authorized by the International Association of Botanical and Mycological Societies (IABMS) and held every six years, with the location rotating between different continents. The current numbering system for the congresses starts from the year 1900; the XX IBC was in Madrid, Spain, July 2024. The XXI IBC is planned to be in Cape Town, South Africa, in July 2029.

The IBC has the power to alter the ICN (International Code of Nomenclature for algae, fungi, and plants), which was renamed from the International Code of Botanical Nomenclature (ICBN) at the XVIII IBC. Formally the power resides with the Plenary Session; in practice this approves the decisions of the Nomenclature Section. The Nomenclature Section meets before the actual Congress and deals with all proposals to modify the Code: this includes ratifying recommendations from sub-committees on conservation. To reduce the risk of a hasty decision the Nomenclature Section adopts a 60% majority requirement for any change not already recommended by a committee. Provided by Wikipedia
Showing 1 - 8 results of 8 for search 'International Botanical Congress', query time: 0.06s Refine Results
  1. 1
    St. Pétersbourg : [s.n.], 1870.
    “...International Botanical Congress...”
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  2. 2
    Published 1959
    Moskva : Izd-vo Akademii nauk SSSR, 1959.
    90, xcv p. ; 27 cm.
    “...International Botanical Congress Paris, France...”
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  3. 3
    Published 1979
    Leningrad : "Nauka," Leningradskoe otd-nie, 1979.
    222 p. : ill. ; 21 cm.
    “...International Botanical Congress Leningrad, R.S.F.S.R....”
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  4. 4
    Published 1949
    Moskva : Izd-vo Akademii nauk SSSR, 1949.
    169 p. ; 27 cm.
    “...International Botanical Congress...”
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  5. 5
    Published 1959
    Alma-Ata : Izd-vo Akademii nauk Kazakhskoĭ SSR, 1959.
    157 p. : folded map. ; 23 cm.
    “...International Botanical Congress...”
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  6. 6
    Published 1974
    Leningrad : Izd-vo "Nauka," Leningradskoe otd-nie, 1974.
    268 p. ; 27 cm.
    “...International Botanical Congress...”
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  7. 7
    Published 1978
    Leningrad : "Nauka", Leningradskoe otd-nie, 1978.
    165 p. : maps (1 fold.)
    “...International Botanical Congress...”
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  8. 8
    Published 1980
    Leningrad : "Nauka," Leningradskoe otd-nie, 1980.
    282 p. ; 27 cm.
    “...International Botanical Congress Leningrad, R.S.F.S.R....”
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