- Aquatic herb.

- Sea coasts from low tide mark to depths of 4 m.

- Indian Ocean and the Pacific Islands.

- Phuket

- พังงา

- ชลบุรี

- พื้นที่ชุ่มน้ำอุทยานแห่งชาติหาดเจ้าไหม-เขตห้ามล่าสัตว์ป่าหมู่เกาะลิบง–ปากน้ำตรัง

- ชายฝั่งคระบุรี, หาดทุ่งนางดำ

- Chao Mai Beach

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