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(First upload on July 4 2016. Last on September 9 2018) [ 日本語 | English ]

Botrychium Sw. (ハナワラビ) B. multifidum (S. G. Gmel.) Rupr., leathery grapefern var. multifidum, the type Yamahanawarabi (ヤマハナワラビ, 山花蕨) Habitat: sunny grasslands Chromosome number: n = 45 var. robustum (Rupr. ex Milde) C. Chr. Ezonofuyunohanawarabi (エゾフユノハナワラビ, 蝦夷冬ノ花蕨) Lifeform: winter-green perennial fern Distribution: Korea - Japan - north America, including Alaska

Habitat: not only in sunny forest floors but also in sunny sites, such as bogs Synonyms Sceptridium multifidum (J. F. Gmel.) M. Nishida var. robustum (Rupr. ex Milde) M. Nishida Botrychium robustum (Rupr. ex Milde) Underw. Botrychium multifidum (S. G. Gmel.) Rupr. ssp. robustum (Rupr. ex Milde) Clausen var. multifidum ← → var. robustum small ← size → large hairless ← backside of leaf → long hair

Botrychium multifidum in Hokkaido

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var. robustum

1 2 3
4 5
[1/2] near a junglezym in Tomakomai Experimental forest on September 10 2009. [3/4] on the southern foot of Mount Usu (flora) on May 2 2016. [5] along a walkboard in a post-mined peatland near Sarobetsu Visitor Center, northern Hokkaido, on August 28 2018. Record: in the crater basin of Mount Usu on July 25 2018.