幸茸 さいわいたけ Also written サイワイタケ, 幸い茸 Meanings Noun bracket fungus (Ganoderma lucidum); reishi mushroom See also: マンネンタケ. Kanji 幸 happiness. Read as さいわい. 茸 mushroom. Read as たけ. Jinuma: Japanese Dictionary · Word lists