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Howard's Hollow Seep Nature Preserve


Howard's Hollow Seep Nature Preserve is an Illinois Nature Preserves Commission State Nature Preserve and is owned and managed by the Vermillion County Conservation District.  This seep wetland is tucked in forested hills along the western edge of the Eastern deciduous forest in a landscape where many wetlands have been drained and converted to agricultural production. Diffusion of groundwater seeping into this area has cultivated a unique seep wetland that is dominated by skunk cabbage, marsh marigolds, a variety of sedges and other plants - a delight to visit in spring!  This wetland is along a hiking trail in Forest Glen Preserve, and enjoyed by recreationists and school groups.  Migrating birds are noted as visiting this area.


Exemplary Ecosystem Services

Aesthetic/Cultural Heritage Value/Provisioning

Recreation (birdwatching, ecotourism)

Water quality improvement

Conservation Status and Threats

  • Conservation status

    State Protection
  • Adjacent land use

    Upland Forest/Woodland
  • Approximate natural buffer width

    > 100 ft
  • Other Information


  • Approximate size (ha):

  • General wetland characterization:

    Inland Fresh Meadow
  • Adjacent water bod(iess)

  • Approximate stream order

  • Name of body of water

    Willow Creek, a tributary to the Vermillion River
  • Surficial geology

    Saturated mucky soils surrounded by forests underlain with till (

  • Soils

    Saturated mucky soils surrounded by forests underlain with till (


Flora and Fauna

  • Dominant flora

    Skunk cabbage, Marsh Marigold, Spotted Touch-Me Not, Sedges, Marsh Fern
  • Unique flora

    Skunk cabbage, Marsh Marigold, Sedges
  • Dominant fauna

    Woodland mammals, birds, and insects
  • Rare fauna

    Migrating birds such as woodland warblers


  • Howards-Hollow-Seep
  • Howards-Hollow-SkunkCabbage-Sedges

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