Frailea cataphracta (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Frailea cataphracta" in German language version.

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Global rank German rank

387^th place

297^th place

88^th place

196^th place

biodiversitylibrary.org

Erich Dams: Echinocactus cataphractus n. sp. In: Monatsschrift für Kakteenkunde. Band 14, Nr. 11, 1904, S. 172 (online).
N. L. Britton, J. N. Rose: The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family. Band III. The Carnegie Institution of Washington, Washington 1922, S. 210 (online).

Frailea cataphracta in der Roten Liste gefährdeter Arten der IUCN 2013.2. Eingestellt von: Larocca, J., Machado, M., Pin, A., Oakley, L. & Kiesling, R., 2010. Abgerufen am 19. Januar 2014.