Фотография: American Hedgehog Nursery
Источники:
https://www.ahhnursery.com/index.php?route=product/product&path=25_69_67&product_id=89
Продажа семян:
http://atomic-plant.de/start%20eng.html
https://www.ahhnursery.com/index.php?route=product/product&path=25_69_67&product_id=89