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Black Spruce Bog

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Exeter, RI

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May 2017

Plants & Their Places: Black Spruce Bog

May 27 @ 10:00 am - 2:00 pm

Polygala paucifolia (fringed milkwort, gaywings) & Lysimachia borealis (starflower). Photo_McGrady This second walk in our series, Plant & Their Places, is in a section of the Arcadia Management Area.  Bogs form in kettle holes, or depressions, that have poorly-drained soils. Unlike swamps and fens, bogs lack flowing water. The groundwater and rain that does collect becomes acidic and low in oxygen, slowing decomposition. Sphagnum moss thrives in this environment and will gradually fill a kettle hole, creating…

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