noun
Old World forked fern; Dicranopteris linearis
A specific species of fern native to tropical and subtropical regions of the Old World. The name is usually written in katakana as コシダ.
コシダは日当たりの良い斜面によく生えている。
Dicranopteris linearis often grows on sunny slopes.
この山ではコシダが群生している。
On this mountain, Old World forked ferns grow in clusters.
The name コシダ likely derives from the plant's appearance or habitat, but the exact origin is uncertain.