Bog
- Bog
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Wet meadow
Associated with lakes (lacustine) or wet depressions and bogs (palustrine). Several species from shallow marsh, plus various grasses, sedges, and rushes. Often border on persistent emergent wetlands.
Scrub-shrub palustrine wetlands
Associated with seasonally or permanently flooded low-lying terrain, usually part of a stream drainage or swamp system. It differs from forested wetlands in being dominated by shrub species or by young tree species, especially alder. Typical associations in Washington State: Spiraea douglasii; Acer circinatum/Athyrium filix-femina; Cornus stolonifera-Acci; Alnus rubra-Salix spp.; Rhamnus purshiana-Salix spp.; Salix spp.; Rubus spectabilis (seral); Rubus discolor (seral).
Forested wetland
Associated with seasonally or permanently flooded terrain, sometimes riparian or lacustrine, but often simply in poorly drained areas. Typical associations in Washington State: Fraxinus oregana/Athyrium filix-femina; Thujaplicata/ Lysichitum americanum; Alnus rubra/Acer circinatum; Populus trichocarpa-Acer macrophyllum; Populus tremuloides/Salix spp.
Bog
Very acid conditions with limited woody growth, dominated by Sphagnum; conditions may be dry to plants because the peat mat prevents roots from reaching water; they root in the peat and get nutrients from rainwater. Typical associations in Washington State: Sphagnum/Vaccinium oxycoccos; Ledum groenlandicum/Sphagnum; Sphagnum-Carex spp.
- Representative species
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Species Wet meadow Scrub-shrub Forested wetland Bog Juncus effusus x Lysichitum americanum x x x Scirpus microcarpus x Eleocharis spp. x Equisetum spp. x x Phalaris arundinacea x x Ranunculus repens x Spiraea densiflora x x Salix spp. x x Malus fusca x Acer circinatum x x Cornus stolonifera x Rhamnus purshiana x Oenanthe sarmentosa x Veronica scutellata x Populus trichocarpa x x Alnus rubra x x Acer macrophyllum x Fraxinus oregana x Thuja plicata x x Rubus spectabilis x x Sambucus racemosa x Oplopanax horridum x Ledum groenlandicum x x Kalmia occidentalis x x Sphagnum spp. x Athyrium filix-femina x x Drosera rotundifolia x Vaccinium oxycoccos x Nuphar polysepalum x Carex spp. x x x Juncus spp. x Menyanthes trifoliata x - References