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(First upload on April 9 2012. Last on October 14 2024) [ 日本語 | English ]

Koshida (コシダ, 小羊歯), old world forked fern Lifeform: evergreen perennial fern Distribution: sub-tropical regions, including southern Japan (not in Hokkaido) Habitat: scattered forests, including forest edges Wildfire: considered to be one cause of wildfire, because of the development of thick litter

Synonyms: Dicranopteris dichotoma (Thunb.) Bernh. [adopted by Tagawa] Dicranopteris pedata (Houtt.) Nakaike Dicranopteris linearis (Burm. f.) Underw. var. dichotoma (Thunb.) Holttum var. ferruginea (Blume) Rac. (ナンヨウコシダ) var. tetraphylla (Rosenst.) Nakai (オニコシダ) f. shinagawae (H. Ito) Sugim. (イキノコシダ)

Dicranopteris Bernh. (コシダ) in Japan

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D. linearis (Burm.f.) Underw. (コシダ)
D. laevissimum (H. Christ) Nakai (カネコシダ)
Cf. Diplopterygium glaucum (Gleicheniaceae)

Dicranopteris linearis in Japan

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4 5 6
[1-3] in the campus of Ryukoku University (Ryukoku Forest), Otsu City, eastern Japan, on March 17 2012. [4] on a trail to go Mount Yatsu near Shizuoka Gokoku Shrine*, Shizuoka Prefecture, on March 5 2013. (*: Shinto shrines designated as places of worship for those who died in the war) [5] on Mount Misen (弥山, 535 m elevation), Hiroshima Prefecture, on March 16 2014. [6] on a forest road towards Hyakkennzan Canyons (百間山渓谷), Wakayama Prefecture, on June 26 2024.