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| September 2007 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
| Family | Dryopteridaceae |
| Scientific name | Dryopteris tokyoensis (Matsumura ex Makino) C. Christensen |
| Synonyms | Aspidium transitorium Christ; Nephrodium tokyoense (Matsumura) C. Christensen ex Makino |
| Common name | (Japanese common name) tani-hego [valley fern] |
| (English common name) Tokyo wood fern | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China | |
| Chromosomal number | 2n=41 (2x) |
| Description | Leaves ca. 1m length, 15-25cm width. Terrestrial. Summer green. |
| Reference | Dryopteris tokyoensis (Matsum. ex Makino) C. Chr. |
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| September 2007 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
