Table 1. Continued. 



System, Class, and Subclass 



Examples of Dominance Types 



Forested Wetland 



Needle-leaved Evergreen 



Broad-leaved Evergreen 



Needle-leaved Deciduous 



Broad-leaved Deciduous 



Dead 

 Riverine 

 Rock Bottom 



Bedrock 



Rubble 

 Unconsolidated Bottom 



Cobble-Gravel 



Sand 



Mud 



Organic 

 Aquatic Bed 



Algal 



Aquatic Moss 



Rooted Vascular 



Floating 

 Streambed 



Bedrock 



Rubble 



Cobble-Gravel 



Sand 



Mud 



Organic 



Vegetated 

 Rocky Shore 



Bedrock 



Rubble 

 Unconsolidated Shore 



Cobble-Gravel 



Sand 



Mud 



Organic 



Vegetated 

 Emergent Wetland (Nonpersistent) 

 Lacustrine 

 Rock Bottom 



Bedrock 



Rubble 

 Unconsolidated Bottom 



Cobble-Gravel 



Sand 



Mud 



Organic 

 Aquatic Bed 



Algal 



Aquatic Moss 



Rooted Vascular 



Floating 

 Rocky Shore 



Bedrock 



Rubble 

 Unconsolidated Shore 



Cobble-Gravel 



Sand 



Mud 



Sitka spruce {Picea sitchtnsis) 

 Red mangrove (Rhizophora mangle) 

 Bald cypress (Taxodium distichum) 

 Red ash (Fraxinus pennsylvanica) 

 None 



Brook leech {Helobdella stagnalis) 

 Water penny (Psephenus herricki) 



Mayfly (Baetis sp.) 



Freshwater mollusk (Anodonta implicata) 

 Freshwater mollusk [Anodontoides ferussacianus) 

 Sewage worm (Tubifex tubifex) 



Stonewort (Nitella flexilis) 

 Moss (Fissidens adiantoides) 

 Riverweed {Podostemum ceratophyllum) 

 Bladderwort {Utricularia vulgaris) 



Mayfly {Ephemerella defieiens) 

 Fingernail clam (Pisidium abditum) 

 Tadpole snail {Physa gyrina) 

 Pond snail {Lymnaea cubensis) 

 Pouch snail {Aplexa hypnorum) 

 Oligochaete worm (Limnodrilus hoffmeisteri) 

 Old witch grass (Panicum capillare) 



Liverwort (Marsupella emarginata) 

 Lichen {Dermatoearpon fluviatile) 



Freshwater mollusk (Elliptio arctata) 



Freshwater mollusk (Anodonta cataracta) 



Crayfish (Procambarus simulans) 



Harpacticoid copepod (Canthocamptus robertcokeri) 



Cocklebur (Xanthium strumarium) 



Horsetail (Equisetum fluviatile) 



Freshwater sponge {Spongilla lacustris) 

 Brook leech (Helobdella stagnalis) 



Freshwater mollusk (Lampsilis ovata) 

 Fingernail clam (Sphaerium simile) 

 Fingernail clam (Pisidium ferrugineum) 

 Sewage worm (Tubifex tubifex) 



Stonewort (Chara crispa) 

 Moss (Fontinalis antipyretica) 

 Widgeon grass (Ruppia maritima) 

 Duckweed (Lemna minor) 



Caddisfly (Hydropsyehe simulans) 

 Freshwater mollusk (Pisidium abditum) 



Leech (Erpobdella punctata) 

 Freshwater mollusk (Elliptio dariensis) 

 Pond snail (Lymnaea palustris) 



