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Opuntia megasperma (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Opuntia megasperma" in German language version.

refsWebsite
Global rank German rank
1biodiversitylibrary.org
387th place
297th place

biodiversitylibrary.org

  • John Thomas Howell: The Templeton Crocker Expedition of the California Academy of Sciences, 1932 No. 5.: The Cactaceae of the Galapagos Islands. In: Proceedings of the California Academy of Sciences. 4. Folge, Band 21, 1933, S. 46 (online).