| Family | Thelypteridaceae |
| Scientific name | Thelypteris japonica (Baker) Ching |
| Synonyms | Aspidium japonicaum (Baker) Makino; Christella japonica (Baker) H. Léveillé; Dryopteris japonica (Baker) C. Christ; Nephrodium japonicum Baker; Lastrea japonica (Baker) Copeland; Parathelypteris japonica (Baker) Ching |
| Common name | (Japanese common name) harigane-warabi [wire bracken] |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China | |
| Chromosomal number | n=62 |
| Description | Leaves 25-40cm length, 15-25cm width. Summer green. Perennial Plants. |
| October 2006 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |
| October 2006 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |
October 2006 at Tsukuba Botanical Garden |