For instance, the last place that Hygrophila lancea grew in the wild was a small pond in Hsichih. Unfortunately, that pond was filled in eight years ago. Ambulia (Limnophila heterophylla) grows only in ponds in Kaohsiung's Meinung. But because it grows amid crested floatingheart (Nymphoides hydrophylla), which is regarded as a delicacy, it has almost been picked clean.
例如「線葉水蓑衣」的最後生育地是台北汐止的一個小水塘，可惜 8 年前已被瓦礫堆填平；只在高雄美濃水池出現的「異葉石龍尾」，由於伴生在被當成美食的「龍骨瓣莕菜」中，被視為礙眼的雜草而幾乎遭拔光。