Фотография: Mesa Garden
Фотография: SeedsCactus.com
Источники:
https://mesagarden.com/product/schwantesia-ruedebuschii-1858
https://seedscactus.com/en/schwantesia/667-schwantesia-ruedebuschii.html
Продажа семян:
https://mesagarden.com/product/schwantesia-ruedebuschii-1858
https://seedscactus.com/en/schwantesia/667-schwantesia-ruedebuschii.html
