Ambiguous tag.
For the Japanese name for Hen-of-the-woods, danbooru currently uses mushroom tag.
For the artist formerly tagged here, see maitake_(kinokonabe_hinanjo).
For some potential artists named maitake: maitake_* | *_maitake search
For some characters named maitake: maitake_* | *_maitake
For some copyrights named maitake: maitake_* | *_maitake