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(First upload on June 14 2014. Last on December 24 2018) [ 日本語 | English ]

Athyrium Roth (メシダ) Ezomeshida (エゾメシダ, 蝦夷雌羊歯), glandular ladyfern, 猴腿蹄盖蕨 in Chinese Lifeform: rhizomatous, summergreen fern Distribution (controversial due to the taxonomy): northern and eastern China - Korea - Japan (north to central Honshu) 500-1800 m elevation in Mount Changbai Habitat: forest floor Field trip: Nature on lakes, volcanoes, sea and forests (海と湖と火山と森林の自然). Chromosome number: 2n = 40 Synonyms: Athyrium sinense Rupr.

Athyrium filix-femina (L.) Roth ssp. longipes (H. Hara) Tzvelev Athyrium filix-foemina (L.) Roth var. longipes H. Hara → formerly grouped into Athyrium filix-foemina Athyrium multidentatum auct. non (Doll) Ching, used in China Athyrium sinense Rupr. f. multidentatum sensu Kitag. Athyrium sinense Rupr. ssp. longipes (H. Hara) Vorosch. Athyrium submelanolepis Tzvelev

Athyrium brevifrons in Japan

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[1/2] at the western slope of Mount Yotei (羊蹄山), central Hokkaido, on June 28 2014. [3/4] at a small botanic garaden in Tomakomai Experimental Forest (ToEF) on September 17 2015. [5] near the Crane Site in ToEF on September 17 2015. [6] along an unpaved road near Akanuma Pond on Kushiro Wetland, eastern Hokkaido, on June 28 2015. [7] near the crane site in TOEF on September 15 2016. [8] on the southwestern slope of Mount Koma (flora), southwestern Hokkaido, on July 10 2017. [9] in front of the office building of Shizunai Experimental Farm of Hokkaido University, south-central Hokkaido, on June 17 2016. [10/11] in a small park near N16/W4, North Ward, Sapporo, on May 7 2018. [12] in Tsukiura Forest Park faced to Toya Lake on September 4 2018. Records: at the backyard of the Central Library of Hokkaido University on October 2 and 26 2021.