Mangrove fern

I think this is a salt-tolerant mangrove fern, Acrostichum aureum, inhabiting the understory of mangroves in southern Florida’s 4-mile Cove Ecological Preserve.

I’ve also seen this species in Costa Rica, where it lines some of the banks at the mouth of Rio Sierpe, and has colonized some wetlands in Guana Caste.

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