Either of two Mediterranean saltworts(Salsola kali or S. soda) or a similar plant(Halogeton sativus), burned to obtain a crude soda ash.

• 冈羊栖菜，钾猪毛菜，苏打猪毛菜两种地中海的猪毛菜之一（钾猪毛菜或苏打猪毛菜），或一种类似的植物（盐生草属阿苏打草），，燃烧以获得生苏打灰