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United States

Region stats

Top states or provinces

Updated ~8 hr(s) ago.
Sort by Species Sort by Checklists
Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Texas
534
243,384
2 California
505
306,341
3 Arizona
423
137,095
4 Florida
417
213,677
5 New Mexico
409
42,373
6 Colorado
398
119,339
7 Oklahoma
367
21,202
8 Oregon
367
105,650
9 New York
357
212,189
10 Kansas
354
30,903
11 North Carolina
351
109,833
12 Washington
350
122,612
13 Louisiana
347
29,303
14 Nebraska
337
23,651
15 Massachusetts
334
131,524
16 New Jersey
334
80,249
17 Virginia
333
111,725
18 Minnesota
330
87,585
19 Utah
327
37,671
20 Georgia
326
67,108
21 Montana
326
25,278
22 Maryland
325
87,251
23 Wisconsin
325
109,790
24 Alabama
324
28,655
25 Illinois
323
115,631
26 Nevada
323
15,808
27 Ohio
320
154,302
28 Michigan
319
128,647
29 Missouri
316
46,580
30 South Dakota
316
6628
31 Indiana
315
58,880
32 South Carolina
311
46,268
33 Mississippi
309
13,007
34 Arkansas
305
20,863
35 Delaware
305
19,291
36 North Dakota
304
10,895
37 Tennessee
304
54,161
38 Iowa
303
21,792
39 Pennsylvania
303
165,447
40 Connecticut
298
48,410
41 Maine
298
54,986
42 Idaho
296
26,965
43 Alaska
287
18,166
44 Wyoming
287
10,246
45 New Hampshire
286
34,985
46 Kentucky
282
25,569
47 Rhode Island
276
14,595
48 West Virginia
252
15,142
49 Vermont
247
36,136
50 District of Columbia
220
10,068
51 Hawaii
166
17,573