頭毛菜 [头－－]

Jyutping tau4 mou4 coi3
Pinyin tóu máo cài

Definitions (Wiktionary)
  1. noun, Hokkien
    fat choy (the terrestrial cyanobacterium Nostoc flagelliforme, which is eaten as a vegetable in Chinese cuisine)
    (syn.) 頭毛菜, 髮菜, 頭那毛菜, 頭髮菜