Фотография: OZ Lithops
Фотография: American Hedgehog Nursery
Источники:
http://ozlithops.com/?controller=product&path=14&product_id=261
https://www.ahhnursery.com/index.php?route=product/product&path=25_69_101&product_id=227
Продажа семян:
http://atomic-plant.de/start%20eng.html
http://ozlithops.com/?controller=product&path=14&product_id=261
https://www.ahhnursery.com/index.php?route=product/product&path=25_69_101&product_id=227