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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cameron
484
142,925
2 Nueces
465
84,462
3 Hidalgo
448
164,295
4 Galveston
442
142,054
5 Brazoria
435
52,339
6 Harris
425
214,965
7 Aransas
422
42,204
8 Bexar
422
94,675
9 Travis
422
179,985
10 Calhoun
420
10,703
11 El Paso
419
17,089
12 Brewster
417
46,011
13 Kleberg
401
16,423
14 Matagorda
400
11,977
15 Williamson
399
67,460
16 Jefferson
398
73,101
17 Tarrant
398
77,710
18 Lubbock
393
23,866
19 San Patricio
393
14,606
20 Chambers
382
44,890
21 Kenedy
381
8806
22 Bell
375
16,422
23 Starr
367
24,503
24 Fort Bend
361
48,681
25 Willacy
361
5780
26 Dallas
360
63,250
27 Refugio
360
6829
28 Brazos
357
38,291
29 Bastrop
356
16,810
30 Hudspeth
356
4479
31 Uvalde
355
13,079
32 Hays
354
26,381
33 Grayson
352
20,257
34 Midland
351
12,372
35 Victoria
350
7239
36 Randall
348
12,938
37 Val Verde
348
7293
38 Denton
347
32,054
39 McMullen
347
5774
40 Reeves
347
6585
41 Taylor
345
10,327
42 Tom Green
345
18,465
43 Kimble
344
13,861
44 Jeff Davis
342
28,664
45 Webb
342
11,763
46 Kendall
341
21,958
47 Jackson
337
4674
48 Kerr
335
16,705
49 Burnet
334
19,710
50 Comal
334
21,769
51 Hunt
334
4576
52 Live Oak
334
4725
53 Van Zandt
332
8072
54 Culberson
331
7269
55 Guadalupe
331
26,978
56 Waller
327
13,970
57 Crosby
325
3960
58 McLennan
325
14,092
59 DeWitt
323
5661
60 Collin
321
41,257
61 Jim Wells
318
3123
62 Wichita
318
4997
63 Colorado
317
9207
64 Pecos
317
3312
65 Rains
317
3278
66 Kinney
315
5141
67 Llano
315
5805
68 Potter
313
3984
69 Zapata
313
7123
70 Presidio
312
5528
71 Johnson
310
10,806
72 Bandera
308
11,918
73 Delta
308
891
74 Goliad
308
2582
75 Montgomery
308
35,086
76 Liberty
306
5531
77 Washington
306
4943
78 Blanco
305
14,934
79 Medina
305
4644
80 Coryell
303
6222
81 Gonzales
303
7738
82 Wilson
303
5745
83 Ellis
302
9405
84 Karnes
301
2346
85 Smith
301
10,171
86 Fayette
298
3902
87 Wharton
297
2950
88 Bailey
296
1956
89 Terrell
296
1882
90 Brooks
295
3574
91 Lee
294
11,134
92 Nacogdoches
294
6564
93 Kaufman
291
2770
94 San Saba
291
7502
95 Wise
291
3964
96 Gregg
290
3282
97 Atascosa
287
3060
98 Grimes
287
2870
99 Freestone
286
2258
100 Austin
285
6547
101 Archer
284
2295
102 Gillespie
284
5324
103 Angelina
283
6573
104 Harrison
283
4194
105 Navarro
283
2531
106 Orange
283
3275
107 Caldwell
282
5978
108 Lampasas
282
3882
109 Parker
281
3964
110 Palo Pinto
280
4995
111 Burleson
277
4020
112 Walker
277
4042
113 Jasper
276
5979
114 Wood
276
3980
115 Marion
275
2150
116 Henderson
274
11,927
117 Hill
274
3352
118 Wilbarger
274
2655
119 Hale
273
4718
120 Real
272
4462
121 Clay
271
2433
122 Fannin
271
1795
123 Polk
270
4415
124 Rusk
270
2983
125 Throckmorton
270
1766
126 Bosque
269
3783
127 Coleman
269
2534
128 Bee
268
6092
129 Hutchinson
268
2240
130 La Salle
268
2230
131 Lynn
268
2118
132 Milam
268
5140
133 Robertson
268
2333
134 Cooke
267
1833
135 Hardin
266
5341
136 Hood
265
2604
137 Titus
264
1816
138 Jones
263
1297
139 Lavaca
263
1747
140 San Jacinto
263
2335
141 Duval
262
2094
142 Lamar
262
1476
143 Mitchell
261
1176
144 Briscoe
259
1610
145 Floyd
259
1511
146 Frio
259
1804
147 Bowie
258
6160
148 Crockett
258
2417
149 Donley
258
749
150 Somervell
258
7359
151 Hardeman
257
1609
152 Young
257
2239
153 Edwards
255
4701
154 Houston
255
1805
155 Jim Hogg
254
2945
156 Panola
254
1834
157 Rockwall
254
2334
158 Hartley
253
763
159 Trinity
252
1415
160 Hockley
251
1511
161 Zavala
251
984
162 Cass
250
1624
163 Comanche
250
1763
164 Tyler
250
3092
165 Anderson
249
1705
166 Baylor
249
872
167 Dickens
249
706
168 Gray
249
993
169 Mason
249
1404
170 Moore
249
944
171 Concho
248
1073
172 Hansford
248
702
173 Limestone
248
1293
174 Runnels
248
1029
175 Brown
247
2395
176 Hemphill
247
545
177 Nolan
247
1067
178 Upshur
247
2619
179 Coke
245
846
180 Garza
245
1160
181 Haskell
245
646
182 Madison
245
1322
183 Montague
245
1146
184 San Augustine
245
998
185 Hopkins
244
1435
186 Stephens
244
927
187 Dallam
243
2048
188 Erath
243
2232
189 Leon
243
2039
190 Red River
243
1359
191 Dimmit
242
1141
192 Shelby
242
2118
193 Howard
240
1301
194 Knox
240
722
195 Lamb
239
1054
196 Morris
239
3944
197 Callahan
238
1096
198 Falls
238
1391
199 Motley
238
528
200 Cherokee
237
1774
201 Schleicher
237
769
202 Franklin
236
3805
203 McCulloch
236
1193
204 Parmer
234
724
205 Hamilton
233
2402
206 Jack
233
1158
207 Terry
233
700
208 Scurry
232
916
209 Sabine
231
1764
210 Shackelford
231
795
211 Ector
230
1147
212 Maverick
229
1251
213 Menard
229
1405
214 Andrews
228
754
215 Newton
228
807
216 Ward
228
1089
217 Cochran
227
690
218 Mills
227
1509
219 Ochiltree
227
510
220 Camp
225
1658
221 Irion
225
1042
222 Eastland
224
995
223 Fisher
224
825
224 Kent
223
469
225 Swisher
222
1277
226 Sutton
221
1543
227 Glasscock
219
600
228 Yoakum
219
581
229 Dawson
217
805
230 Armstrong
210
484
231 Borden
209
355
232 Oldham
209
489
233 Cottle
208
706
234 Foard
208
677
235 Childress
202
530
236 Martin
202
937
237 Upton
202
530
238 Collingsworth
199
326
239 Crane
199
356
240 Stonewall
198
456
241 Loving
197
346
242 Reagan
197
532
243 Sterling
197
489
244 Deaf Smith
193
475
245 Wheeler
193
501
246 Hall
191
982
247 Roberts
191
276
248 Carson
189
966
249 Castro
187
479
250 Sherman
185
435
251 Winkler
179
403
252 King
178
372
253 Gaines
177
405
254 Lipscomb
173
279