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(First upload on October 15 2014. Last on March 4 2024) [ 日本語 | English ]

Dryopteris Adans. (オシダ) Shiranewarabi (シラネワラビ, 白根蕨), spreading wood fern Lifeform: summergreen perennial fern Distribution: warm temperate zones in the Northern Hemisphere, including Japan = an indicator plant showing temperate regions Habitat: forest floors Palatability: low to deer

Synonyms: Dryopteris austriaca auct. non (Jacq.) Woynar ex Schinz. et Thell. Dryopteris expansa (C. Presl) Fraser-Jenk. et Jermy, the standard Varieties (controversial) (Tagawa 1959) var. deltoidea Milde (シラネワラビ, s.s.) var. oblonga Milde (ナガバノシラネワラビ)

Dryopteris austriaca in Asia

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[1] in a forest beside Teine Senjaku skislope on May 19 2022. [2] at the middle of Mount Fuppushi on June 28 2023. [3] at the western slope of Mount Yotei (羊蹄山), central Hokkaido, on June 28 2014. [4-6] in the crater basion of Mount Usu on July 26 2017. [7] in the Dell Forest, Changbai Mountain, Jilin Province, China, on June 12 2017. [8] in a forest assigned as government-designated natural monument in Kita-Hiroshima City on October 13 2022. [9] on the middle slope of Mount Mashu, eastern Hokkaido, on June 26 2019.