also: あおごけ
noun
green moss
Refers to moss that is green in color, often used in descriptive or poetic contexts.
庭の石に青苔が生えている。
Green moss is growing on the stones in the garden.
苔 is the general term for moss, while 青苔 specifically emphasizes the green color.
Compound of 青 (sei, 'blue/green') and 苔 (tai, 'moss'). The reading あおごけ is a kun'yomi variant.