November 11, 2007 in Keepers Log, More Logbook

Question for the keeper: water chestnut

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Do you know what those devilish-looking seed heads are?

The sharp nut-like items found along the lighthouse trail are the seed of the water chestnut (Trapa natans)–an non-native, invasive aquatic plant species. The seeds seem diabolical if you are walking barefoot and happen to step on one. In many respects, they are a “pest,” but squirrels and muskrats eat the seeds. For a complete description and photo of the plant, refer to the following website:

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