maidenhair spleenwort
A small fern, Asplenium trichomanes, often found on rocks and walls. The Japanese name refers to its resemblance to a tea whisk (茶筅).
Maidenhair spleenwort often grows on damp rocks.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling is rare and may not be widely recognized; it but marks the word is listed as usually written in kana.
The name チャセンシダ (茶筅羊歯) combines 茶筅 (chasen, 'tea whisk') and 羊歯 (shida, 'fern'), referring to the plant's fronds resembling a bamboo tea whisk.