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Ulmus × hollandica 'Wredei' (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ulmus × hollandica 'Wredei'" in English language version.

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6archive.org
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1esveld.nl
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1web.archive.org
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archive.org

  • Elwes, Henry John; Henry, Augustine (1913). The Trees of Great Britain & Ireland. Vol. 7. p. 1894.
  • Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.
  • Cultures de Louis van Houtte: Plantes Vivaces de Pleine Terre, Catalogue de Louis van Houtte, 1881-2, p.303
  • Saunders, William; Macoun, William Tyrrell (1899). Catalogue of the trees and shrubs in the arboretum and botanic gardens at the central experimental farm (2 ed.). Ottawa. pp. 74–75.
  • Bobbink and Atkins, Rutherford. N.J. 1902. p. 51.
  • General catalogue, 1904 : choice hardy trees, shrubs, evergreens, roses, herbaceous plants, fruits, etc. New York: Frederick W. Kelsey. 1904. p. 18.

books.google.com

cirrusimage.com

esveld.nl

florapictures.com

geograph.org.uk

web.archive.org

wikimedia.org

commons.wikimedia.org

  • Katalog (PDF). Vol. 108. Berlin, Germany: L. Späth Baumschulenweg. 1902–1903. pp. 132–133.
  • Accessions book. Royal Botanic Garden Edinburgh. 1902. pp. 45, 47.