noun
Climacium japonicum (species of moss)
A species of moss native to Japan; the name is a botanical term and is typically written in katakana.
コウヤノマンネングサは山地の湿った場所に生える。
Climacium japonicum grows in moist mountainous areas.
The name likely derives from 高野 (Kōya, referring to Mount Kōya) and 万年草 (mannengusa, a general term for stonecrop or evergreen plants), but the exact origin is uncertain.