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Access NHI data
for research and planning purposes.
Explore
Wisconsin's rare species and natural communities.
Report
a plant or non-game animal. [exit DNR]
Review
the natural heritage working list.
Contact information
For more information on NHI data, contact:
Julie Bleser
NHI data manager
608-266-7308

Natural Heritage Inventory data county tool

Marathon County Natural Heritage Inventory data

The following is a list of species and natural features on the Natural Heritage Working List that have been documented in Marathon County. These data are provided for general planning and assessment purposes only and should not be used for screening or reviewing proposed land development or land management projects. Learn about other methods for obtaining data, including project-specific data.

Marathon County graphic

Click on the table headings to sort the table, and click on a heading again to change the sort order. The scientific names link to pages with more information about each species or natural community. The count shown is the number of locations in Marathon County where each species or feature has been documented and incorporated in the NHI Database. There are likely many additional locations which have not yet been documented. Also, these data were last updated on July 18, 2017, so there may be more recent county records not reflected here. Return to the county tool.
Scientific Name Common Name WI
Status
Federal
Status
Group
Accipiter gentilis Northern Goshawk SC/M SOC Rare Birds
Alasmidonta marginata Elktoe SC/P Rare Mussels and Clams
Alder thicket Alder Thicket NA Shrub Communities
Allogona profunda Broad-banded Forestsnail SC/N Rare Aquatic and Terrestrial Snails
Amerorchis rotundifolia Round-leaved Orchis THR Rare Plants
Ammodramus henslowii Henslow's Sparrow THR SOC Rare Birds
Ammodramus leconteii Le Conte's Sparrow SC/M Rare Birds
Bird Rookery Bird Rookery SC Miscellaneous Elements
Black spruce swamp Black Spruce Swamp NA Northern Forests
Boechera missouriensis Missouri Rock-cress SC Rare Plants
Botaurus lentiginosus American Bittern SC/M Rare Birds
Buteo lineatus Red-shouldered Hawk THR Rare Birds
Carex prasina Drooping Sedge SC Rare Plants
Chlidonias niger Black Tern END SOC Rare Birds
Dry cliff Dry Cliff NA Primary Habitats - Bedrock Dependent
Emergent marsh Emergent Marsh NA Herbaceous Communities - Marshes
Empidonax virescens Acadian Flycatcher THR Rare Birds
Emydoidea blandingii Blanding's Turtle SC/P SOC Rare Reptiles
Eurylophella aestiva A Spiny Crawler Mayfly SC/N Rare Mayflies
Falco peregrinus Peregrine Falcon END Rare Birds
Floodplain forest Floodplain Forest NA Southern Forests
Glaucomys sabrinus Northern Flying Squirrel SC/P Rare Mammals
Glyptemys insculpta Wood Turtle THR SOC Rare Reptiles
Hardwood Swamp Hardwood Swamp NA Northern Forests
Hemileuca nevadensis ssp. 3 Midwestern Fen Buckmoth SC/N Rare Butterflies and Moths
Ixobrychus exilis Least Bittern SC/M Rare Birds
Karner Blue Federal High Potential Range Karner Blue Federal High Potential Range NA HPR Miscellaneous Elements
Lake--deep, hard, seepage Lake--Deep, Hard, Seepage NA Lakes and Ponds
Lake--deep, soft, seepage Lake--Deep, Soft, Seepage NA Lakes and Ponds
Lake--shallow, hard, seepage Lake--Shallow, Hard, Seepage NA Lakes and Ponds
Lake--shallow, soft, seepage Lake--Shallow, Soft, Seepage NA Lakes and Ponds
Lake--spring Lake--Spring NA Lakes and Ponds
Menegazzia terebrata Treeflute SC Rare Lichens
Moist cliff Moist Cliff NA Primary Habitats - Bedrock Dependent
Moxostoma duquesnei Black Redhorse END Rare Fishes
Muskeg Muskeg NA Shrub Communities
Myosotis laxa Small Forget-me-not SC Rare Plants
Northern dry-mesic forest Northern Dry-mesic Forest NA Northern Forests
Northern mesic forest Northern Mesic Forest NA Northern Forests
Northern sedge meadow Northern Sedge Meadow NA Herbaceous Communities - Sedge Meadows, Fens, and Bogs
Northern wet forest Northern Wet Forest NA Northern Forests
Northern wet-mesic forest Northern Wet-mesic Forest NA Northern Forests
Nycticorax nycticorax Black-crowned Night-Heron SC/M Rare Birds
Open bog Open Bog NA Herbaceous Communities - Sedge Meadows, Fens, and Bogs
Penstemon pallidus Pale Beardtongue SC Rare Plants
Pieris virginiensis West Virginia White SC/N Rare Butterflies and Moths
Poliocitellus franklinii Franklin's Ground Squirrel SC/N Rare Mammals
Potamogeton bicupulatus Snail-seed Pondweed SC Rare Plants
Potamogeton vaseyi Vasey's Pondweed SC Rare Plants
Protonotaria citrea Prothonotary Warbler SC/M Rare Birds
Setophaga cerulea Cerulean Warbler THR SOC Rare Birds
Shrub-carr Shrub-carr NA Shrub Communities
Silene nivea Snowy Campion SC Rare Plants
Springs and spring runs, hard Springs and Spring Runs, Hard NA Springs and Streams
Stream--fast, hard, cold Stream--Fast, Hard, Cold NA Springs and Streams
Stream--fast, hard, warm Stream--Fast, Hard, Warm NA Springs and Streams
Stream--fast, soft, cold Stream--Fast, Soft, Cold NA Springs and Streams
Stream--slow, hard, warm Stream--Slow, Hard, Warm NA Springs and Streams
Tympanuchus cupido Greater Prairie-Chicken THR Rare Birds
Utricularia resupinata Northeastern Bladderwort SC Rare Plants
Valeriana uliginosa Marsh Valerian THR Rare Plants
Xanthocephalus xanthocephalus Yellow-headed Blackbird SC/M Rare Birds
Last revised: July 18, 2017
Douglas County Bayfield County Iron County Vilas County Forest County Florence County Oneida County Langlade County Langlade County Lincoln County Price County Taylor County Taylor County Rusk County Barron County Sawyer County Sawyer County Washburn County Burnett County Polk County St. Croix County Dunn County Pierce County Pepin County Chippewa County Chippewa County Eau Claire County Buffalo County Clark County Trempealeau County Jackson County Marathon County Wood County Portage County Juneau County Adams County Monroe County La Crosse County Marinette County Oconto County Brown County Door County Door County Manitowoc County Outagamie County Waupaca County Waushara County Winnebago County Calumet County Fond du Lac County Marquette County Sheboygan County Washington County Ozaukee County Milwaukee County Waukesha County Kenosha County Walworth County Racine County Dodge County Jefferson County Columbia County Sauk County Richland County Rock County Dane County Green County Layfette County Iowa County Grant County Crawford County Kewaunee County Green Lake County Vernon County Ashland County Menominee County Shawano County