| Family | Thelypteridaceae |
| Scientific name | Thelypteris angustifrons (Miquel) Ching |
| Synonyms | Athyrium cystopteriodes var. elatus D. C. Eaton; Lastea miqueliana Tagawa; Lastea granduligera var. hyalostegia (Copeland) Ohwi; Parathelypteris glanduligera (Kunze) Ching var. elatior (D. C. Eaton) Nakaike; Thelypteris glanduligera (Kunze) Ching var. elatior (D. C. Eaton) Kurata |
| Common name | (Japanese common name) ko hashigo shida [small ladder fern] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Niigata Prefecture), Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan | |
| Chromosomal number | 2n=162 |
| Description | Leaves 6-25cm length, 2-7cm width. Summer green. Perennial Plants. |
| May 2007 at Tsukuba Botanical Garden |
May 2007 at Tsukuba Botanical Garden |
| May 2007 at Tsukuba Botanical Garden |
May 2007 at Tsukuba Botanical Garden |