Фотография: http://atomic-plant.de
Фотография: American Hedgehog Nursery
Источники:
http://atomic-plant.de/bilder/Lithops/L%20terri%20IB12580.html
https://www.ahhnursery.com/index.php?route=product/product&path=25_69_101&product_id=264
Продажа семян:
http://atomic-plant.de/start%20eng.html
https://www.ahhnursery.com/index.php?route=product/product&path=25_69_101&product_id=264
