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United States

Region stats

Top states or provinces

Updated ~19 hr(s) ago.
Sort by Species Sort by Checklists
Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Texas
507
171,654
2 California
469
218,827
3 Florida
400
168,678
4 Arizona
379
84,967
5 New Mexico
356
28,442
6 Louisiana
344
20,479
7 Oregon
316
60,902
8 Alabama
312
20,769
9 North Carolina
306
74,077
10 Georgia
300
42,106
11 Oklahoma
298
13,230
12 Washington
297
83,272
13 South Carolina
294
34,176
14 Colorado
293
71,790
15 Mississippi
286
9973
16 Nevada
286
11,445
17 Virginia
283
71,952
18 New York
282
130,349
19 Kansas
276
18,346
20 New Jersey
275
48,453
21 Utah
273
25,794
22 Missouri
261
31,658
23 Tennessee
261
36,681
24 Maryland
258
53,663
25 Illinois
255
71,612
26 Arkansas
253
15,350
27 Massachusetts
252
81,884
28 Pennsylvania
238
112,087
29 Delaware
236
11,356
30 Indiana
235
36,977
31 Ohio
235
88,999
32 Idaho
231
18,463
33 Connecticut
227
30,129
34 Nebraska
222
12,257
35 Wisconsin
218
63,579
36 Michigan
217
77,632
37 Kentucky
216
15,348
38 Iowa
210
12,667
39 Minnesota
209
56,283
40 South Dakota
206
3477
41 Maine
205
27,749
42 Montana
202
16,048
43 Alaska
201
8073
44 New Hampshire
199
19,475
45 Rhode Island
195
8990
46 West Virginia
186
9235
47 Wyoming
184
6431
48 Hawaii
167
14,591
49 North Dakota
165
5138
50 Vermont
163
23,150
51 District of Columbia
161
5851