Фотография: http://atomic-plant.de
Фотография: Etwin Aslander
Источники:
http://atomic-plant.de/bilder/Lithops/L%20schw%20C211.html
https://capesucculentseeds.com/products/lithops-schwantesii-ssp-schwantesii-var-schwantesii-c-211
Продажа семян:
http://atomic-plant.de/start%20eng.html
https://capesucculentseeds.com/products/lithops-schwantesii-ssp-schwantesii-var-schwantesii-c-211