| Family | Dryopteridaceae |
| Scientific name | Dryopteris sieboldii (Van Houtte ex T. Moore) Kuntze |
| Synonyms | Aspidium sieboldii Van Houtte ex Mettenius; Lastrea sieboldii T. Moore; Nephrodium sieboldii Hooker; Pycnopteris sieboldii T. Moore |
| Common name | (Japanese common name) nagasaki-shida [Nagasaki fern] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Chiba Prefecture), Shikoku, Kyushu |
| (Other nations) China, Taiwan | |
| Chromosomal number | n=82 (4x) |
| Description | Leaves 30-70cm length. Evergreen. Terrestrial. Perennial plants. |
| Reference | Dryopteris sieboldii (Van Houtte ex Mett.) Kuntze |
| Dryopteris sieboldii (T. Moore) Kuntze |
| June 2007 at Kyoto Botanical Garden |
June 2007 at Kyoto Botanical Garden |
| June 2007 at Kyoto Botanical Garden |
June 2007 at Kyoto Botanical Garden |
June 2007 at Kyoto Botanical Garden |
| June 2007 at Kyoto Botanical Garden |