北海道大雪山国立公園,駒止湖で確認したヒロハミズゴケ

抄録

Sphagnum platyphyllum (Braithwaite) Warnst. was found around Lake Komadome, Daisetsuzan National Park, Hokkaido, Japan. Small communities of this species were growing on the wet volcanic rocks, 20-30 cm height from the surface of the lake. Occurrence of S. platyphyllum was reconfirmed after 60 years from the first record, at the second record of the locality in Japan.