Assertion: giant kelp | /r/CapableOf | grow up to 40–50 metres
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Source sentences:
text: The sporophyte structure of laminaria can grow to 7 metres (23 ft), which is large in comparison to other algae, but still smaller than the giant kelps such as Macrocystis and Nereocystis, which can grow up to 40–50 metres (130–160 ft).