种植大米的土地能高效得进行光合作用—吸收温室气体二氧化碳，将其转化为氧气，并储存碳元素，海草的生长地同样如此。

Seagrass beds are believed to rival rice paddies in their photosynthetic productivity or the ability to extract greenhouse gas CO2 and convert it into oxygen and stored carbon matter.

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北美东部的一种植物(河苔草属金鱼藻)，长有类似于海草的橄榄绿叶子，而且生长在流速很快的河流中的岩石上。

An eastern North American plant (Podostemum ceratophyllum) having olive-green foliage resembling seaweed and growing on rocks in rapidly flowing streams.

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