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It shot out of the shallows and disappeared under a raft of water lettuce.

Water hyacinth, water lettuce, water lily and cattails went in and around the goldfish pond.

They lay their eggs on water lettuce — invasive weeds that float in the canals, drainage ditches and other waterways crisscrossing Florida neighborhoods.

Another Lab was able to detect invasive water lettuce, which is prohibited to import to Florida, contained within an unmarked box at a South Florida postal facility.

Giant pine trees draped with moonseed vines towered over an Everglades-wet forest floor blanketed with gingers, ferns, duckweed, water lettuce and floating, flowering plants.