Фотография: http://atomic-plant.de
Фотография: Etwin Aslander
Источники:
http://atomic-plant.de/bilder/Lithops/L%20hookeri%20C21.html
https://capesucculentseeds.com/products/lithops-hookeri-var-subfenestrata-c-021-500-seeds
Продажа семян:
http://atomic-plant.de/start%20eng.html
https://capesucculentseeds.com/products/lithops-hookeri-var-subfenestrata-c-021-500-seeds