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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cameron
412
26,707
2 Plaquemines
353
7722
3 Jefferson
348
26,231
4 Orleans
348
29,651
5 Caddo
340
11,118
6 Vermilion
338
3654
7 St. Tammany
332
28,996
8 East Baton Rouge
329
31,070
9 Calcasieu
327
9943
10 Terrebonne
326
5550
11 Lafourche
315
4988
12 Iberville
312
4318
13 Lafayette
311
9096
14 Jefferson Davis
301
6304
15 Rapides
297
8441
16 St. Martin
296
6900
17 St. Bernard
293
1999
18 Acadia
288
2168
19 Bossier
286
3199
20 St. John the Baptist
283
2615
21 St. Mary
283
1438
22 Iberia
281
1199
23 St. Charles
279
2134
24 Red River
276
1276
25 Natchitoches
275
1663
26 Ouachita
273
6798
27 Pointe Coupee
272
1047
28 St. Landry
267
1771
29 Claiborne
265
3364
30 De Soto
265
1936
31 Union
264
3163
32 Evangeline
256
972
33 Tangipahoa
256
4032
34 La Salle
250
1938
35 West Baton Rouge
249
600
36 Vernon
248
4140
37 Morehouse
246
1121
38 Ascension
244
1858
39 Madison
238
766
40 Richland
238
939
41 Concordia
237
1123
42 Livingston
236
2326
43 Allen
229
547
44 West Feliciana
229
1186
45 Catahoula
226
582
46 Sabine
225
1065
47 Beauregard
220
951
48 Avoyelles
217
588
49 Grant
217
1091
50 Lincoln
217
1349
51 East Carroll
212
494
52 St. James
208
942
53 Washington
207
2233
54 Assumption
206
743
55 Jackson
204
586
56 Webster
201
539
57 Caldwell
193
267
58 Tensas
192
383
59 Bienville
191
290
60 Franklin
191
325
61 East Feliciana
187
882
62 West Carroll
183
401
63 Winn
167
379
64 St. Helena
158
419