| Family | Pteridaceae | 
| Scientific name | Adiantum pedatum L. | 
| Synonyms | Adiantum pedatum forma billingsae Kittredge; Adiantum pedatum forma laciniatum (Hopkins) Weatherby | 
| Common name | (Japanese common name) kujyaku shida [peacock fern] | 
| (English common name) maidenhair fern, northern maidenhair fern | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu (Fukuoka Prefecture) | 
| (Other nations) Korea, China, Himalayas, Canada, USA | |
| Chromosomal number | n=29, 30, 2n=60 | 
| Description | Leaves 15-25cm length, 15-30cm. Summer green. Terrestrial or lithophyte. Perennial Plants. | 
| Reference | Adiantum pedatum Linnaeus | 
| Adiantum pedatum L. | 
| July 2007 at Tsukuba Botanical Garden | July 2007 at Tsukuba Botanical Garden | July 2007 at Tsukuba Botanical Garden | 
| November 2006 at Tsukuba Botanical Garden | November 2006 at Tsukuba Botanical Garden | November 2006 at Tsukuba Botanical Garden |