| Ableman's Gorge |
| Abraham's Woods * |
| Adiantum Woods |
| Albany Sand Prairie & Oak Savanna |
| Allen Creek Wetlands |
| Allequash Lake |
| Alvin Creek Headwaters |
| Ancient Aztalan Village |
| Anvil Lake Trail |
| Apostle Islands Critical Species * |
| Apostle Islands Maritime Cliffs * |
| Apostle Islands Maritime Forest |
| Apostle Islands Sandscape |
| Apostle Islands Yew Forest |
| Apple River Canyon |
| Arbutus Oaks |
| Arena Pines and Sand Barrens |
| Argonne Experimental Forest |
| Atkins Lake & Hiles Swamp |
| Audubon Goose Pond |
| Aurora Lake |
| Avoca Prairie and Savanna |
| Avon Bottoms |
| Badfish Creek Wet Prairie & Spring Seeps |
| Baileys Harbor Boreal Forest and Wetlands |
| Bakken's Pond |
| Baraboo River Floodplain Forest |
| Bark Bay Slough |
| Barksdale Ponds |
| Barneveld Prairie |
| Barney Creek |
| Bass Hollow |
| Bass Lake Fen |
| Bass Lake Peatlands |
| Bass Lake Preserve |
| Bastile Lake |
| Battle Bluff Prairie |
| Battle Creek Hemlocks |
| Bauer-Brockway Barrens |
| Baxter's Hollow |
| Bayshore Blufflands |
| Bean Lake |
| Bear Beach |
| Bear Bluff |
| Bear Caves |
| Bear Creek Hemlocks |
| Bear Creek Sedge Meadow |
| Bear Lake Sedge Meadow |
| Bear Lake Slough |
| Bearsdale Creek & Hyatt Springs |
| Beaver Brook |
| Beaver Creek |
| Belden Swamp |
| Belmont Mound Woods |
| Belmont Prairie |
| Berg Prairie and Billy Goat Ridge |
| Bergen Bluffs |
| Berlin Fen * |
| Beulah Bog |
| Bibon Swamp |
| Big and Little Marsh |
| Big Bay Sand Spit and Bog |
| Big Beaver Meadow |
| Big Eau Pleine Woods |
| Big Island |
| Big Manitou Falls and Gorge |
| Big Rock Pines |
| Big Swamp |
| Big Swamp Tamarack Fen |
| Bittersweet Lakes |
| Black Creek Bog |
| Black Earth Rettenmund Prairie |
| Black Lake Bog |
| Black River Savanna |
| Black Tern Bog |
| Blackhawk Island * |
| Blackjack Springs |
| Bloch Oxbow |
| Blomberg Lake |
| Blue Hills Felsenmeer |
| Blue River Bluffs |
| Blue River Sand Barrens |
| Blue Swamp |
| Blueberry Swamp |
| Blueberry Trail |
| Bluff Creek |
| Bogus Swamp |
| Bohn Lake |
| Bonita Country |
| Borah Creek Prairie |
| Border Lakes |
| Borst Valley Sedge Meadow |
| Boscobel Bluffs |
| Bradley Creek Swamp Conifers |
| Brady's Bluff Prairie |
| Brant Brook Pines |
| Brockway Ponds |
| Brooks Bluff |
| Browntown Oak Forest |
| Brule Glacial Spillway |
| Brule River Boreal Forest |
| Brule River Cliffs |
| Brule Rush Lake |
| Brunsweiler River and Mineral Lake |
| Brush Creek Hemlocks |
| Buckhorn Barrens |
| Buckley Creek and Barrens (SNA withdrawn and replaced by Five Mile Barrens) |
| Buena Vista Prairie Chicken Meadow - decommissioned |
| Buena Vista Quarry Prairie - decommissioned |
| Buffalo River Trail Prairies |
| Butler Lake and Flynn's Spring |
| Cady's Marsh |
| Camp Five Lake |
| Camp Lake and Pines |
| Camp Nine Pines |
| Camp Three Lake |
| Canoe Landing Prairie |
| Caroline Lake |
| Carver-Roehl Woods |
| Caryville Savanna |
| Cassville Bluffs |
| Castle Mound Pine Forest |
| Catfish Eddy Terraces |
| Cathedral Pines |
| Catherine Lake Hemlock-Hardwoods |
| Cave Point-Clay Banks |
| Cedar Grove Hawk Research Station * |
| Cedarburg Beech Woods |
| Cedarburg Bog |
| Centennial Bedrock Glade * |
| Charles Pond |
| Chase Creek (see Devil's Backbone below) |
| Chequamegon Hardwoods |
| Cherney Maribel Caves |
| Cherokee Marsh |
| Cherry Lake Sedge Meadow |
| Chimney Rock Oak Savanna |
| Chippewa Moraine Lakes |
| Chippewa Trail |
| Chiwaukee Prairie |
| Chub and Mud Lake Riverine Marsh |
| Chub Lake Oak Savanna |
| Clover Valley Fen |
| Coffey Swamp * |
| Comstock Bog-Meadow |
| Coon Creek Cliffs * |
| Coon Fork Barrens |
| Copper Falls |
| County Line Barrens and Forest |
| Cranberry Creek Mound Group |
| Crandon Ribbed Fen * |
| Crex Sand Prairie |
| Crooked Lake Wetlands |
| Cudahy Woods |
| Cylon |
| Dalles of the St. Croix River |
| Day Lake |
| Deansville Fen |
| Deer Creek Tamarack Bog |
| Deer Island |
| Deer Mountain |
| Deerfly Swamp |
| Dells of the Eau Claire River |
| Dells of the Wisconsin River |
| Detroit Harbor * |
| Devil's Backbone (formerly Chase Creek) |
| Devil's Lake Oak Forest |
| Devine Lake & Mishonagon Creek |
| Dewey Heights Prairie |
| Dewey Marsh |
| Diamond Lake |
| Diamond Roof |
| Doering Woods |
| Dorothy Lake |
| Dory's Bog and Hunt Hill |
| Drummond Woods |
| Dry Lake |
| Dunbar Barrens |
| Dunn Lake |
| Dunnville Barrens |
| Dupage Lake Peatlands |
| Durst Rockshelter * |
| Dwight's Point and Pokegama Wetlands |
| Eagle Centre Prairie |
| Eagle Eye |
| Eagle Oak Opening |
| East Bluff |
| East Fork Black River |
| East Fork Chippewa River |
| Echo Lake |
| Eighteen Mile Creek |
| Ekdall Wetlands |
| Elk River Valley |
| Ellison Bluff |
| Emmons Creek Barrens |
| Empire Prairies |
| Empire Swamp |
| English Lake Hemlocks |
| Enterprise Hemlocks |
| Ericson Creek Forest and Wetlands |
| Eureka Maple Woods |
| Europe Bay Woods |
| Fair Meadows * |
| Fairy Chasm * |
| Fairyland |
| Farmington Bottoms |
| Faville Prairie * |
| Fern Dell Gorge |
| Ferry Bluff |
| Finnerud Pine Forest |
| Fish Lake Meadow |
| Fish Lake Pines |
| Five-Mile Bluff Prairie |
| Five Mile Barrens |
| Flambeau River Hardwood Forest |
| Flambeau Wetlands |
| Flat Lake |
| Flora Spring Pond |
| Flume Creek Cedars |
| Forbes Springs |
| Fort McCoy |
| Foulds Creek |
| Fountain Creek Wet Prairie |
| Fourmile Island Rookery |
| Fox Maple Woods |
| Franklin and Butternut Lakes |
| Franklin Savanna |
| French Creek Fen |
| French Creek North |
| Frog Lake and Pines |
| Gasner Hollow Prairie |
| Genesse Oak Opening and Fen |
| Germain Hemlocks |
| Germania Wet Prairie |
| Ghost Lake |
| Giant White Pine Grove |
| Gibraltar Rock |
| Glenn Creek Barrens |
| Glocke Lake |
| Gobler Lake |
| Goose Lake |
| Goose Lake Drumlins |
| Gotham Jack Pine Barrens |
| Grand Island |
| Grandma Lake Wetlands |
| Grassy Lake |
| Great River Trail Prairies |
| Hagar Mountain |
| Haley Creek Swamp |
| Half Moon Bottoms |
| Hanson Lake Wetlands |
| Hardscrabble Prairie |
| Haskell Noyes Memorial Woods |
| Hawkins Hemlock-Hardwood Forest |
| Hawkinson Creek Wet Prairie |
| Haymeadow Creek |
| Haymeadow Flowage |
| Headwater Lakes |
| Hedmark Pines |
| Hemlock Draw |
| High Cliff Escarpment |
| Highway K Woods |
| Hiles Wetlands |
| Hog Island Tamaracks |
| Hogback Prairie |
| Holland Red Maple Swamp |
| Holland Sand Prairie |
| Holmboe Conifer Forest |
| Honey Creek |
| Hook Lake Bog |
| Hortonville Bog |
| Houghton Falls |
| Hub City Bog |
| Huiras Lake |
| Hulburt Creek Woods |
| Hunting River Alders |
| Inch Lake |
| Interstate Lowland Forest |
| Ipswich Prairie |
| Island Lake Hemlocks |
| Jackson Creek Woods |
| Jackson Harbor Ridges |
| Jackson Marsh |
| Jay Creek Pine Forest |
| Jean Brunet Woods |
| Jefferson Tamarack Swamp |
| Johnson Falls |
| Johnson Hill Kame |
| Johnson Lake Barrens |
| Jones Lakes |
| Jump River Woods |
| Jung Hemlock-Beech Forest |
| Kamrath Creek Forest and Fen |
| Kangaroo Lake |
| Karcher Springs |
| Karner Blue Meadow |
| Keller Whitcomb Creek Woods |
| Kelly Lake Hemlocks |
| Kelly Lynn Bog |
| Kentuck Lake |
| Kessler Railroad Prairie |
| Ketchum Creek Pines |
| Kettle Hole Woods |
| Kettle Moraine Low Prairie |
| Kettle Moraine Oak Opening |
| Kettle Moraine Red Oaks |
| Kewaskum Maple-Oak Woods |
| Kickapoo Valley Reserve |
| Kickapoo Wild Woods |
| Kidrick Swamp |
| Kieper Creek |
| Kingston Pines |
| Kinnickinnic River Gorge and Delta |
| Kinnickinnic Wet Prairie |
| Kirby Lake Hardwoods |
| Kissick Alkaline Bog Lake |
| Kohler Park Dunes |
| Kohler-Peet Barrens |
| Komensky Barrens |
| Koro Prairie |
| Koshkonong Corners |
| Kroenke Lake |
| Krueger Pines |
| Kurtz Woods |
| La Crosse River Trail Prairie |
| LaFave Swamp |
| Lake Alva Birch-Hemlock |
| Lake Evelyn |
| Lake Helane |
| Lake Lackawanna |
| Lake Laura Hardwoods |
| Lake Noquebay Sedge Meadow |
| Lake of the Pines Conifer-Hardwoods |
| Lake Owen Hardwoods |
| Lake Two Pines |
| Lampson Moraine Pines |
| LaSage Bottoms |
| Lauterman Lake |
| Lawin Sedge Meadow |
| Lawrence Creek |
| Lawrence Lake |
| Lehto Lake |
| Lemonweir Bottomland Hardwood Forest |
| Lily Lake |
| Lima Bog |
| Limery Ridge Savanna |
| Little Bear Hemlocks |
| Little Lake |
| Little Willow Drumlin |
| Little Wolf River |
| Lodde's Mill Bluff * |
| Lodi Marsh |
| Logan Creek |
| Loon Lake Woods |
| Lost Canoe |
| Lost Creek Bog |
| Lost Lake |
| Lost Lake Esker |
| Lower Chippewa River |
| Lower Narrows |
| Lower Tomahawk River Pines |
| LTC Old Growth Forest |
| Lulu Lake |
| Lunch Creek Wetlands |
| Magnolia Bluff |
| Maiden Rock Bluff |
| Marinette County Beech Forest |
| Marsh Miller Cedars |
| Marshall's Point |
| Martin's Woods |
| Mary Lake |
| Mayville Ledge Beech-Maple Woods |
| Mazomanie Bottoms |
| Mazomanie Oak Barrens |
| McCarthy Lake and Cedars |
| McCaslin Mountain |
| McGilvra Woods |
| Mead Conifer Bogs |
| Meadow Valley Barrens |
| Mecan River Pine-Oak Forest |
| Mecan Springs |
| Memorial Grove Hemlocks |
| Meridian Park |
| (Clifford F.) Messinger Dry Prairie and Savanna Preserve |
| Midway Railroad Prairie |
| Mill Bluff |
| Millston Ridge Barrens |
| Millville Oak Woodlands |
| Millston Sand Barrens |
| Milwaukee River and Swamp |
| Milwaukee River Floodplain Forest |
| Milwaukee River Tamarack Lowlands and Dundee Kame |
| Minito Lake |
| Mink River Estuary |
| Mirror Lake Pine Oak Forest |
| Miscauno Cedar Swamp |
| Mondeaux Hardwoods |
| Moonlight Bay Bedrock Beach |
| Moose Lake |
| Moose River Cedar Hills |
| Moquah Barrens |
| Morgan Coulee Prairie |
| Motts Ravine |
| Mt. Pisgah Hemlock-Hardwoods |
| Mountain Lake |
| Mud Lake |
| Mud Lake Bog |
| Mud Lake Forest and Ponds |
| Mud Lake Fen and Wet Prairie |
| Mud Lake - Radley Creek Savanna |
| Muddy Creek Sedge Meadow |
| Muehl Springs |
| Muir Park |
| Mukwa Bottomland Forest |
| Mukwonago River |
| Mullet Creek White Cedar Wetland |
| Muralt Bluff Prairie |
| Muskego Park Hardwoods |
| Myklebust Lake |
| Namekagon Barrens |
| Namekagon Fen |
| Natural Bridge and Rockshelter |
| Navarino Cedar Swamp |
| Navarino Sedge Meadow |
| Necedah Oak-Pine Forest |
| Necedah Oak-Pine Savanna |
| Nell Lake |
| Nelligan Lake |
| Nelson-Trevino Bottoms |
| Nemadji River Floodplain Forest |
| New Auburn Sedge Meadow |
| New Hope Pines |
| New Munster Bog Island |
| New Observatory Woods * |
| Newark Road Prairie |
| Newport Conifer-Hardwoods |
| Nichols Creek Cedars and Springs |
| Nichols Creek East Cedars |
| Nine Mile Island |
| Nipissing Swamp |
| Nixon Lake |
| No Name Lake |
| North Bay |
| North Bend Wet Prairie |
| North Branch Bottoms |
| North Country Trail Hardwoods |
| North Fork Eau Claire River |
| North Fork Pines |
| North of North Shattuck Lake |
| North Otter Creek |
| North Pikes Creek Boreal Forest |
| Northeast Coulee Oak Woodland |
| Northeast Lake |
| Norway Point Bottomlands |
| Nourse Sugarbush |
| Oakfield Ledge |
| Oakfield Railroad Prairie |
| Observatory Hill |
| Ohmart Wetlands |
| Oliver Prairie * |
| Olson Oak Woods |
| One Stone Lake Hemlocks |
| Orion Mussel Bed |
| Osceola Bedrock Glades |
| Oshkosh-Larsen Trail Prairies |
| Ottawa Lake Fen |
| Otter Creek Oak Barrens |
| Owl Creek Fen Savanna |
| Oxbo Pines |
| Oxbow Rapids |
| Page Creek Marsh |
| Pan Hollow |
| Papoose Creek Pines |
| Parfrey's Glen |
| Parrish Oak Savanna |
| Pat Shay Lake |
| Patterson Hemlocks |
| Pea Creek Sedge Meadow |
| Peat Lake |
| Pecatonica River Woods |
| Peninsula Niagara Escarpment |
| Peninsula Park Beech Forest |
| Peninsula Park White Cedar Forest |
| Perkinstown Hemlocks |
| Peshtigo Brook Meadow & Woods |
| Peshtigo Harbor Lacustrine Forest |
| Peshtigo River Delta Marshes |
| Pewits Nest |
| Pickerel Lake |
| Pickerel Lake Fen * |
| Pine Cliff |
| Pine Hollow |
| Pine Island Savanna |
| Pirus Road Swamp |
| Plagge Woods |
| Plainfield Tunnel Channel Lakes |
| Pleasant Valley Conservancy |
| Plover River Woods |
| Plum Creek Woods |
| Plum Lake Hemlock Forest |
| Point Beach Ridges |
| Pokegama Carnegie Wetlands |
| Pope Lake |
| Popple River Corridor |
| Poppy's Rock * |
| Port Wing Boreal Forest |
| Portland Maples |
| Powers Bluff Maple Woods |
| Priest Rock |
| Princeton Prairie |
| Puchyan Prairie |
| Putnam Park |
| Quincy Bluff and Wetlands |
| Rainbow Wetlands |
| Rat Lake Swamp/Popple River Headwaters |
| Red Banks Alvar |
| Red Cedar Lake |
| Red Cedar River Savanna |
| Red Oak Bottoms |
| Reed Lake Meadow |
| Renak-Polak Maple Beech Woods |
| Rhine Center Bog |
| Rib Mountain Talus Forest |
| Rice Creek |
| Rice Lake |
| Richter Lake Hemlocks |
| Richwood Bottoms |
| The Ridges Sanctuary |
| Ridgeway Pine Relict |
| Riley Lake |
| Riveredge Creek and Ephemeral Pond |
| Robinson Creek Pines |
| Roche-A-Cri Mound |
| Roche-A-Cri Woods |
| Rock Creek Felsenmeer |
| Rock Island Woods |
| Rock Lake |
| Rock River Prairie |
| Rocky Run Oak Savanna |
| Romance Prairie |
| Rose Lake |
| Rush Creek |
| Rush Lake |
| Rush River Delta |
| St. Croix Ash Swamp |
| St. Croix Islands |
| St. Croix Seeps |
| St. Peter's Dome |
| Sajdak Springs |
| Sand Creek Pines |
| Sander's Park Hardwoods |
| Sapa Spruce Bog * |
| Savage Lake |
| Schluckebier Prairie |
| Schmidt Maple Woods |
| Scott Lake and Shelp Lake |
| Scuppernong Prairie |
| Seagull Bar |
| Shaky Lake |
| Shallow Lake |
| Silver Creek and Mondeaux River |
| Silver Lake Bog * |
| Sister Islands * |
| Skinner Creek Hardwoods |
| Skunk and Foster Lakes |
| Skunk Creek Woods |
| Smith Drumlin Prairie |
| Smith Slough and Sand Prairie |
| Snake Creek Fen * |
| Snapper Prairie |
| Snoose Creek |
| Snow Bottom |
| Snow Falls Creek |
| Sohlberg Silver Lake |
| Solon Springs Sharptail Barrens |
| South Bluff/Devil's Nose |
| South Branch Beech Grove |
| South Fork Barrens |
| Spaulding Fen |
| Spider Lake |
| Spread Eagle Barrens |
| Spring Brook Drumlins |
| Spring Green Preserve |
| Spring Lake |
| Springstead Muskeg |
| Springvale Wet Prairie |
| Spruce Grouse Swamp |
| Spruce Lake Bog |
| Spur Lake |
| Squirrel River Pines |
| Standing Cedars |
| Starlight Wetlands |
| Sterling Barrens |
| Stockbridge Ledge Woods |
| Stone Lake Pines |
| Straight Lake Tamarack Fen |
| Sugar Camp Hemlocks |
| Sugar Creek Bluff |
| Sugar River Wetlands |
| Suk Cerney Peatlands |
| Summerton Bog |
| Sunrise Lake |
| Swamp Creek Fen |
| Swamp Lake |
| Swan Lake Sedge Meadow and Barrens |
| Swan Lake Tamaracks |
| Swan Lake Wet-mesic Prairie |
| Swenson Wet Prairie |
| Tamarack Creek Bog |
| Tar Dam Pines |
| Tealey Creek Cedars |
| Tellock's Hill Woods |
| Texas Island Woods |
| Thornapple Hemlocks |
| Thorp Pond |
| Thunder Mountain |
| Thunder River Swamp |
| Tiffany Bottoms |
| Tichigan Springs and Fen |
| Toft Point |
| Tomahawk Lake Hemlocks |
| Tomahawk River Pines (see Upper Tomahawk River Pines) |
| Totagatic Highlands Hemlocks |
| Totogan Pines |
| Tower Hill Bottoms |
| Town Corner Cedars |
| Town Line Lake and Woods |
| Toy Lake Swamp |
| Trade River Forest and Wetlands |
| Tranus Lake |
| Trempealeau Mountain |
| Trempealeau River Meadow |
| Trenton Bluff Prairie |
| Trout Lake Conifer Swamp |
| Trout River |
| Tucker Lake Hemlocks |
| Tula Lake |
| Tunnel Channel Woods |
| Tunnelville Cliffs |
| Turtle Flambeau Peatlands |
| Twin Lakes Bog |
| Two Creeks Buried Forest |
| Two Lakes Pine-Oak Forest |
| Upper Black River |
| Upper Brunet River |
| Upper Buckatabon Springs |
| Upper Fox Headwaters |
| Upper Kaubashine Creek |
| Upper Little Wolf |
| Upper Nemadjii River Floodplain Forest |
| Upper Tomahawk River Pines |
| Van Loon Floodplain Forest |
| Van Loon Floodplain Savanna |
| Van Vliet Hemlocks |
| VanderBloemen Bog * |
| Vosse Coulee |
| Waazija Haci |
| Wabikon Lake |
| Ward/Swartz Decatur Woods |
| Warnimont Bluff Fens * |
| Washburn Marsh |
| Waterloo Prairie |
| Waterloo Quartzite Outcrops |
| Waubesa Wetlands |
| Waupee Lake Swamp |
| Waupun Park Maple Forest |
| Wauzeka Bottoms |
| Wedde Creek Savanna |
| Weir White Oaks * |
| Wheeler Lake |
| White Cliff Fen and Forest |
| White River Boreal Forest |
| White River Breaks |
| White River Prairie Tamarack |
| White River Sedge Meadow |
| Whitefish Dunes |
| Whitman Bottoms Floodplain Forest |
| Wildcat Ridge |
| Wilson Lake |
| Winchester Meadow |
| Wind Pudding Lake |
| Wisconsin Slough |
| Wolf River Bottoms |
| Woodland Dunes |
| Woodman Lake Sand Prairie & Dead Lake |
| Woods Creek |
| Wyalusing Hardwood Forest |
| Wyalusing Walnut Forest |
| Yellow River Floodplain Forest |
| Yellow River Ice-walled Lake Plain |
| Yellow River Oxbows |
| Yellowstone Savanna |
| York Prairie |
| Young Prairie |
