August 21. 1999
|size of exposed plant above soil level is ca 3 cm in diameter.|
In 1840 Karwinsky brought the first 3 plants to Europe. One of them was bought by Prince Kotschoubey, after whom the species was named, for 1000 francs, another sold for 200 $.
( Encycl.of cacti, Cullmann Goetz and Groener)