Фотография: Etwin Aslander
Фотография: Sylvain Burgaud
Фотография: Matunai illustrated succulents
Источники:
https://capesucculentseeds.com/products/lithops-vallis-mariae-c-281-200-seeds
https://www.flickr.com/photos/14732695@N06/43222998321/
https://matunaisucculents.storeinfo.jp/posts/1859263?categoryIds=440392
Продажа семян:
https://capesucculentseeds.com/products/lithops-vallis-mariae-c-281-200-seeds
http://ozlithops.com/?controller=product&path=14&product_id=743