Фотография: http://atomic-plant.de
Фотография: Etwin Aslander
Фотография: Matunai illustrated succulents
Источники:
http://atomic-plant.de/bilder/Lithops/L%20villetii%20C195.html
https://capesucculentseeds.com/products/lithops-villetii-ssp-villetii-c-195-500-seeds
https://matunaisucculents.storeinfo.jp/posts/1855951?categoryIds=440392
Продажа семян:
http://atomic-plant.de/start%20eng.html
https://capesucculentseeds.com/products/lithops-villetii-ssp-villetii-c-195-500-seeds