Flowering plants, shrubs and trees provide the environment with much needed oxygen and fight soil erosion. They also provide food and shelter for many animals, as well as contribute to the fertility of soil with their dead leaves and flowers.



Eelgrass, the name of two kinds of unrelated plants that grow underwater. The more familiar kind, also called tape grass and wild celery, grows submerged in spring-fed lakes from Nova Scotia west to North Dakota and south to Florida.

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  • Yarrow

    Yarrow, or Milfoil, a strong-smelling medicinal plant native to Europe and Asia but common also in North America. See more »

  • Yellow Pine
    Yellow Pine

    Yellow Pine, a name sometimes given to the ponderosa pine, found in the western United States, and also to such southern pine trees as the longleaf, slash, shortleaf, and loblolly. See more »

  • Yucca

    Yucca, a group of about 30 species of plants native chiefly to the deserts of the southwestern United States, Mexico, and Central America. See more »

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