Climacium japonicum (species of moss)
A species of moss native to Japan; the name is a botanical term and is typically written in katakana.
Climacium japonicum grows in moist mountainous areas.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling is rare and mainly used in botanical contexts; learners will almost always encounter the katakana form.
Formed from 高野, referring to 高野山, and 万年草, a name applied to evergreen or enduring-looking plants.