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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cameron
412
26,702
2 Plaquemines
353
7686
3 Jefferson
348
26,220
4 Orleans
348
29,625
5 Caddo
340
11,116
6 Vermilion
338
3652
7 St. Tammany
332
28,970
8 East Baton Rouge
329
31,045
9 Calcasieu
327
9915
10 Terrebonne
326
5549
11 Lafourche
315
4988
12 Iberville
312
4314
13 Lafayette
311
9079
14 Jefferson Davis
301
6303
15 Rapides
297
8432
16 St. Martin
296
6898
17 St. Bernard
293
1999
18 Acadia
288
2162
19 Bossier
286
3196
20 St. John the Baptist
283
2614
21 St. Mary
283
1436
22 Iberia
281
1198
23 St. Charles
279
2133
24 Red River
276
1276
25 Natchitoches
275
1663
26 Ouachita
273
6795
27 Pointe Coupee
272
1047
28 St. Landry
267
1769
29 Claiborne
265
3361
30 De Soto
265
1936
31 Union
264
3161
32 Evangeline
256
972
33 Tangipahoa
256
4010
34 La Salle
250
1938
35 West Baton Rouge
249
599
36 Vernon
248
4138
37 Morehouse
246
1119
38 Ascension
244
1856
39 Madison
238
762
40 Richland
238
938
41 Concordia
237
1123
42 Livingston
236
2325
43 Allen
229
547
44 West Feliciana
229
1183
45 Catahoula
226
580
46 Sabine
225
1065
47 Beauregard
220
949
48 Avoyelles
217
588
49 Grant
217
1091
50 Lincoln
217
1348
51 East Carroll
212
494
52 St. James
208
940
53 Washington
207
2229
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
323
61 East Feliciana
187
882
62 West Carroll
183
401
63 Winn
167
379
64 St. Helena
158
419