Wetland Types

Palustrine Emergent Wetland Photo: Seward Park Herbaceous plants growing in standing water or saturated soils.
Palustrine Forested Wetland Photo: Discovery Park Trees growing in standing water or saturated soils, or small wetlands entirely beneath an overhanging forest canopy.
Palustrine Scrub-Shrub Wetland Photo: Washington Park Arboretum Woody shrubs growing in standing water or saturated soils.
Lacustrine Photo: Green Lake Park Unvegetated freshwater body greater than 20 acres in size, such as Green Lake, Lake Union or Lake Washington.
Palustrine Aquatic Bed Photo: Discovery Park Areas of open freshwater that have rooted plants such as waterlilies or cattails that project above the surface.
Palustrine Open Water Photo: Golden Gardens Park Unvegetated freshwater ponds smaller than 20 acres.
Riverine Consolidated Substrate (stream with artificial bed) Photo: Ravenna Park Streams running through a constructed channel of concrete, metal or other impervious materials.
Riverine Unconsolidated Substrate (stream with natural bed) Photo: Ravenna Park Streams running through channels of soil, gravel or native rock.
Riverine Tidal Photo: West Duwamish Greenbelt Wetlands and estuarine tributaries whose hydrology is linked to tidal cycles.