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(First upload on March 4 2018. Last on June 22 2024) [ 日本語 | English ]

Deparia Hook. et Grev. (オオシケシダ) Oomeshida (オオメシダ, 大雌羊歯), giant tappering glade fern Lifeform: deciduous, rhizomatous, perennial fern, often exceeding 1 m in height Distribution: northeastern China - Far East - Korea - Japan (between central Honshu and Hokkaido Habitat: moistened forest floors

Chromosome number: n = 40 Synonyms: Lunathyrium pterorachis (Christ) Sa. Kurata Athyrium pterorachis Christ Hybrid: D. pterorachis (Christ) M. Kato × D. viridifrons (Makino) M.Kato (ミドリオオメシダ)

Deparia pterorachis in Hokkaido

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[1-3] near a transplanted forest of Fraxinus mandshurica in the Experimental Forest of the University of Tokyo, Furano, central Hokkaido, on June 28 2017. [4] along a valley in Horomi Path (幌見峠), Sapporo, on June 11 1985 (the specimen, stored in SAPS). [5] along a forest road on Mount Kuromatsunai, southwestern Hokkaido, on May 22 2024.