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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Ada
340
72,897
2 Jefferson
328
6513
3 Blaine
306
10,910
4 Canyon
306
24,054
5 Fremont
296
4796
6 Power
293
2189
7 Elmore
291
6802
8 Twin Falls
290
11,079
9 Owyhee
286
11,091
10 Nez Perce
285
10,933
11 Bonneville
277
6189
12 Bingham
276
1585
13 Bonner
274
7898
14 Cassia
274
8650
15 Latah
272
35,037
16 Custer
270
4024
17 Bannock
267
5382
18 Valley
266
9711
19 Kootenai
263
9631
20 Madison
261
2543
21 Idaho
258
4217
22 Boundary
257
4693
23 Minidoka
256
1567
24 Lemhi
254
5034
25 Gooding
251
4001
26 Boise
250
5543
27 Adams
242
5013
28 Bear Lake
242
1432
29 Gem
242
4270
30 Benewah
235
3398
31 Butte
232
1417
32 Caribou
232
670
33 Washington
229
1476
34 Camas
227
2482
35 Clearwater
227
1652
36 Oneida
223
1321
37 Teton
219
2784
38 Franklin
217
404
39 Jerome
217
845
40 Shoshone
216
2473
41 Payette
213
3406
42 Clark
210
750
43 Lewis
200
616
44 Lincoln
147
280