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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Dane
360
216,844
2 Milwaukee
359
119,109
3 Ozaukee
345
48,372
4 Manitowoc
340
38,069
5 Jefferson
336
29,288
6 Racine
332
26,564
7 Sheboygan
331
23,933
8 Douglas
329
38,754
9 Brown
328
35,001
10 Bayfield
325
23,378
11 Door
320
37,675
12 Dodge
319
36,436
13 Waukesha
318
46,357
14 Ashland
316
17,348
15 Marathon
313
32,113
16 Winnebago
312
22,781
17 Columbia
311
22,764
18 Fond du Lac
309
25,326
19 Kenosha
308
11,668
20 Portage
308
28,880
21 Rock
308
18,689
22 Sauk
306
30,485
23 Burnett
303
14,279
24 La Crosse
302
19,428
25 Outagamie
300
21,708
26 Grant
295
20,491
27 Kewaunee
292
9767
28 Walworth
291
12,082
29 Dunn
287
10,009
30 Green Lake
287
13,329
31 Chippewa
286
14,388
32 Iowa
286
21,047
33 Oconto
286
8977
34 St. Croix
286
9572
35 Adams
284
6801
36 Marinette
282
23,997
37 Washington
280
15,638
38 Calumet
278
10,695
39 Eau Claire
276
11,786
40 Vernon
276
16,540
41 Barron
275
6674
42 Vilas
275
17,178
43 Oneida
273
14,286
44 Trempealeau
273
7082
45 Polk
270
21,870
46 Monroe
269
6413
47 Lafayette
268
3897
48 Wood
267
5743
49 Juneau
266
8869
50 Marquette
264
3544
51 Green
263
5762
52 Buffalo
260
3827
53 Pierce
260
4716
54 Richland
259
8317
55 Crawford
257
7228
56 Lincoln
255
7649
57 Shawano
253
4982
58 Waushara
253
5241
59 Rusk
252
3774
60 Waupaca
252
6799
61 Clark
250
4960
62 Jackson
250
3986
63 Florence
247
23,451
64 Iron
247
5472
65 Washburn
246
5799
66 Langlade
245
5551
67 Price
245
5149
68 Sawyer
244
7491
69 Pepin
242
1360
70 Forest
241
10,682
71 Taylor
237
4666
72 Menominee
193
886