Natural Features & Ecosystems

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  Geology & Soils

  Isle Royale began to form when a rift opened up in the earth's crust 1.2 billion years ago.

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  Shrubs

  Shrubs at Isle Royale range from delicious to dangerous!

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  Flowering Plants

  Isle Royale is home to over 600 flowering plants, several of which are rare or found only in small populations.

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  Ferns

  There are nearly 30 different fern species on Isle Royale and each lives in a certain type of habitat.

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  Mosses

  Mosses form lush carpets just about everywhere in the island's boreal forests.

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  Trees

  The forests and trees of Isle Royale are ever-changing.

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  Lichens

  Over 600 different species of lichen live on Isle Royale and were probably some of the first organisms to colonize the bare rock.

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  Plant Species List

  Discover which vascular plant species can be found on Isle Royale.