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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cameron
415
30,699
2 Plaquemines
355
8227
3 Orleans
351
35,257
4 Jefferson
348
29,010
5 Vermilion
341
4430
6 Caddo
339
11,861
7 East Baton Rouge
333
37,220
8 St. Tammany
332
34,196
9 Calcasieu
330
11,609
10 Terrebonne
328
6410
11 Lafourche
318
5516
12 Iberville
314
4792
13 Lafayette
312
11,260
14 Jefferson Davis
303
7166
15 Rapides
298
9590
16 St. Martin
297
7732
17 St. Bernard
295
2177
18 Acadia
290
3451
19 St. Mary
288
1935
20 Bossier
287
3668
21 St. John the Baptist
283
2715
22 Iberia
281
1425
23 St. Charles
281
2319
24 Red River
276
1358
25 Natchitoches
275
1777
26 Ouachita
274
7674
27 Pointe Coupee
273
1177
28 St. Landry
270
2051
29 Claiborne
266
3643
30 Union
266
3397
31 De Soto
265
2037
32 Tangipahoa
260
5118
33 Evangeline
259
1061
34 West Baton Rouge
251
670
35 La Salle
250
2103
36 Vernon
249
4590
37 Ascension
247
2183
38 Morehouse
247
1193
39 Richland
240
1243
40 Concordia
239
1302
41 Livingston
239
2758
42 Madison
238
950
43 Allen
230
591
44 West Feliciana
229
1679
45 Catahoula
228
642
46 Sabine
228
1119
47 Beauregard
222
1039
48 Avoyelles
219
631
49 Lincoln
219
1682
50 Grant
217
1215
51 East Carroll
214
520
52 St. James
210
1044
53 Washington
210
2385
54 Assumption
209
1090
55 Jackson
204
649
56 Webster
203
625
57 Franklin
194
422
58 Tensas
193
455
59 Bienville
192
345
60 East Feliciana
190
1085
61 Caldwell
189
311
62 West Carroll
184
455
63 Winn
171
481
64 St. Helena
164
440