Coryphantha pycnacantha (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Coryphantha pycnacantha" in German language version.

refsWebsite

Global rank German rank

6^th place

40^th place

2,106^th place

139^th place

1iucnredlist.org

88^th place

196^th place

archive.org (Global: 6^th place; German: 40^th place)

Nova Acta Physico-Medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum Exhibentia Ephemerides sive Observationes Historias et Experimenta… Band 16, Nummer 1, 1832, S. 325, Tafel 17 (online).

google.de (Global: 2,106^th place; German: 139^th place)

books.google.de

Les Cactées. Histoire, Patrie Organes de Vegetation, Inflorescence Culture etc. Paris 1868, S. 35 (online).

iucnredlist.org (Global: 88^th place; German: 196^th place)

Coryphantha pycnacantha in der Roten Liste gefährdeter Arten der IUCN 2020-3. Eingestellt von: Dicht, R.F. & Lüthy, A.D., 2009. Abgerufen am 28. Februar 2021.