thâu-mn̂g-chhài頭毛菜

hair moss

hair moss; fat choy (the terrestrial cyanobacterium, which is eaten as a vegetable in Chinese cuisine)

English Wiktionary, “頭毛菜” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%A0%AD%E6%AF%9B%E8%8F%9C · confidence: Medium (Wiktionary)