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Harrisia tortuosa (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Harrisia tortuosa" in German language version.

refsWebsite
Global rank German rank
2biodiversitylibrary.org
387th place
297th place
1google.de
2,106th place
139th place
1iucnredlist.org
88th place
196th place

biodiversitylibrary.org

  • Dr. Pfeiffer: Beschreibung einiger neuen oder wenig bekannten Cacteen. In: Allgemeine Gartenzeitung. Band 6, Nummer 5, 1838, S. 35 (online).
  • N. L. Britton, J. N. Rose: The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family. Band II. The Carnegie Institution of Washington, Washington 1920, S. 154 (online).

google.de

books.google.de

  • James Forbes: Journal of a Horticultural Tour Through Germany, Belgium, and Part of France, 1835. To which is Added, a Catalogue of the Different Species of Cacteæ in the Gardens at Woburn Abbey. J. Ridgway & Sons, London 1837, S. 154 (online).

iucnredlist.org

apiv3.iucnredlist.org