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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Milwaukee
364
145,742
2 Dane
361
269,444
3 Ozaukee
351
59,185
4 Manitowoc
343
44,208
5 Jefferson
341
36,901
6 Racine
336
31,024
7 Door
335
46,815
8 Brown
333
44,376
9 Sheboygan
333
30,938
10 Douglas
331
42,696
11 Bayfield
330
28,373
12 Dodge
326
45,429
13 Ashland
320
22,390
14 Waukesha
320
58,754
15 Columbia
319
26,375
16 Sauk
319
40,446
17 Winnebago
317
28,556
18 Marathon
316
41,293
19 Kenosha
312
14,686
20 Portage
312
38,424
21 Fond du Lac
309
36,110
22 Rock
309
22,239
23 Burnett
306
17,564
24 La Crosse
304
23,085
25 Grant
301
25,244
26 Outagamie
301
27,752
27 Kewaunee
297
11,490
28 Walworth
293
13,926
29 Oconto
290
10,913
30 St. Croix
290
13,003
31 Green Lake
289
16,780
32 Adams
288
8854
33 Chippewa
287
16,508
34 Dunn
287
11,351
35 Iowa
287
25,375
36 Marinette
285
27,648
37 Washington
282
18,682
38 Barron
280
7877
39 Calumet
280
13,512
40 Vilas
279
21,179
41 Eau Claire
278
13,879
42 Trempealeau
278
8219
43 Vernon
278
19,263
44 Oneida
276
17,831
45 Polk
273
25,275
46 Wood
271
7736
47 Marquette
270
4313
48 Monroe
270
6885
49 Lafayette
268
4355
50 Juneau
267
10,640
51 Pierce
267
6570
52 Richland
266
10,023
53 Buffalo
264
4582
54 Green
264
6552
55 Lincoln
262
9709
56 Crawford
260
7819
57 Shawano
258
5720
58 Waushara
257
6456
59 Rusk
256
5079
60 Clark
254
5644
61 Jackson
253
4583
62 Waupaca
253
8256
63 Iron
250
6864
64 Sawyer
250
9238
65 Pepin
249
1574
66 Washburn
248
7454
67 Florence
247
27,384
68 Price
246
6425
69 Langlade
244
6634
70 Forest
243
13,082
71 Taylor
241
5781
72 Menominee
197
1007