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(Upload on September 16 2020) [ 日本語 | English ]

Ophioglossum L. (ハナヤスリ) Kohirohahanayasuri (コヒロハハナヤスリ, 小広葉花鑢), stalked adder's-tongue Lifeform: summergreen, perennial fern Distribution: southern and eastern Asia - Australia - New Zealand Habitat: mosit sites, including crop fields (in Japan) - near fumaroles with warm soils in the case of Hokkaido

Chromosome number: 2n ≈ probably 960-1100 Synonyms: Ophioglossum pedunculosum sensu Allan Ophioglossum reticulatum L.

Ophioglossum petiolatum in Hokkaido

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[1/2] in the Nishiyama Craters of Mount Usu, central Hokkaido, on August 23 2020.