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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Ada
341
87,117
2 Jefferson
330
7594
3 Canyon
309
29,727
4 Blaine
307
12,766
5 Fremont
296
5499
6 Power
296
2765
7 Elmore
294
7985
8 Twin Falls
292
14,533
9 Owyhee
287
12,726
10 Nez Perce
285
12,022
11 Bonneville
279
7206
12 Cassia
278
10,724
13 Bingham
277
1804
14 Bonner
275
9805
15 Latah
274
39,487
16 Custer
270
4529
17 Bannock
269
6365
18 Valley
268
10,744
19 Kootenai
266
10,937
20 Madison
263
3059
21 Idaho
262
4737
22 Boundary
258
5884
23 Lemhi
258
5635
24 Minidoka
258
1872
25 Boise
254
6587
26 Gooding
253
4787
27 Gem
251
6148
28 Adams
245
5635
29 Bear Lake
242
1664
30 Benewah
236
3780
31 Butte
234
1583
32 Caribou
233
771
33 Camas
232
2935
34 Washington
231
1691
35 Clearwater
228
1896
36 Oneida
227
1539
37 Teton
224
4294
38 Franklin
223
458
39 Jerome
223
1097
40 Payette
217
4030
41 Shoshone
216
2863
42 Clark
211
821
43 Lewis
204
673
44 Lincoln
151
337