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| Plate 65.--Classification (foreground): SYSTEM Palustrine, CLASS Emergent Wetland, SUBCLASS Persistent, DOMINANCE TYPE Aristida stricta, WATER REGIME Saturated, WATER CHEMISTRY Fresh-Acid, SOIL Mineral. Subordinate plants include beak rushes (Rhynchospora spp.), longleaf pine (Pinus palustris), orchids (Habenaria spp.), yellow-eyed grasses (Xyris spp.), grass pinks (Calopogon spp.), and foxtail clubmoss (Lycopodium alopecuroides). (Brunswick County, North Carolina; December 1975; Photo by V. Carter) |
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| Plate 66.--Classification: SYSTEM Palustrine, CLASS Emergent Wetland, SUBCLASS Persistent, WATER REGIME Saturated, WATER CHEMISTRY Fresh. The dominant plants in this montane meadow are sedges (Carex spp.).(Lassen County, California; August 1975; Photo by V. Carter) |
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| Plate 67.--Classification: SYSTEM Palustrine, CLASS Emergent Wetland, SUBCLASS Persistent, DOMINANCE TYPE Eriophorum vaginatum, WATER REGIME Saturated, WATER CHEMISTRY Fresh, SOIL Mineral. Subordinate plants include: netleaf willow (Salix reticulata), diamondleaf willow (S. planifolia), dryas (Dryas integrifolia), bistort (Polygonum bistorta), lousewort (Pedicularis sp.), chickweed (Stellaria sp.), and lapland cassiope (Cassiope tetragona). This type of wetland, referred to by Walker (1983) as "moist tussock sedge dwarf shrub tundra," covers much of the North Slope of Alaska. At this site, permafrost lies within 15 cm (6 in) of the surface. All of the land in this photo is wetland. (Franklin Bluffs, North Slope Borough, Alaska; July 1985; Photo by F. C. Golet) |
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| Plate 68.--Classification: SYSTEM Palustrine, CLASS Emergent Wetland, SUBCLASS Persistent, DOMINANCE TYPE Carex aquatilis, WATER REGIME Saturated, WATER CHEMISTRY Fresh. Subordinate plants include: narrowleaf Labrador tea (Ledum decumbens),dwarf birch (Betula nana), small cranberry (Vaccinium oxycoccos), crowberry (Empetrum nigrum), peat moss (Sphagnum spp.), and foliose lichens. (Narokachik River area, Yukon-Kuskokwim Delta, Alaska; July 1985; Photo by F. C. Golet) |