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Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cameron
491
189,486
2 Nueces
470
113,773
3 Hidalgo
450
202,124
4 Galveston
444
182,453
5 El Paso
435
24,713
6 Brazoria
433
63,892
7 Travis
427
222,620
8 Brewster
424
57,380
9 Harris
424
269,133
10 Aransas
423
57,406
11 Calhoun
423
13,210
12 Bexar
422
118,563
13 Kleberg
400
20,828
14 Jefferson
398
80,289
15 Williamson
398
81,813
16 Lubbock
397
30,795
17 Matagorda
396
14,602
18 Tarrant
395
96,863
19 San Patricio
393
22,487
20 Kenedy
386
11,480
21 Starr
383
32,861
22 Chambers
381
53,088
23 Bell
375
21,679
24 Dallas
369
78,950
25 Hudspeth
369
5282
26 Val Verde
367
9835
27 Willacy
367
7329
28 Tom Green
364
22,279
29 Uvalde
364
15,335
30 Fort Bend
362
64,798
31 Refugio
361
8280
32 Bastrop
360
20,677
33 Jeff Davis
358
36,542
34 Brazos
356
48,123
35 Midland
355
15,064
36 Grayson
354
25,065
37 Victoria
353
8910
38 Hays
352
32,802
39 McMullen
351
6902
40 Randall
351
16,195
41 Reeves
351
8019
42 Comal
350
27,787
43 Kendall
348
28,854
44 Taylor
348
13,468
45 Crosby
347
4643
46 Denton
347
40,969
47 Kimble
347
16,706
48 Webb
345
14,119
49 Culberson
341
9139
50 Jackson
339
5632
51 Kerr
339
22,103
52 Burnet
338
25,190
53 McLennan
337
18,930
54 Guadalupe
336
30,637
55 Live Oak
336
5532
56 Presidio
334
9020
57 Hunt
333
5453
58 DeWitt
331
6909
59 Jim Wells
331
4353
60 Van Zandt
331
10,058
61 Waller
331
16,658
62 Kinney
329
6250
63 Collin
328
51,247
64 Johnson
323
13,803
65 Pecos
320
4047
66 Colorado
319
11,152
67 Llano
319
6948
68 Rains
319
3678
69 Wichita
319
6759
70 Washington
318
6751
71 Zapata
318
9298
72 Potter
317
4806
73 Montgomery
314
45,357
74 Bandera
312
14,003
75 Goliad
311
3171
76 Blanco
310
18,157
77 Delta
309
1055
78 Liberty
309
6634
79 Gonzales
308
9872
80 Medina
308
5712
81 Wilson
308
6518
82 Coryell
307
8072
83 Ellis
305
12,304
84 Smith
305
13,175
85 Wharton
304
3897
86 Lee
303
12,208
87 Terrell
303
2291
88 Fayette
302
4951
89 Bailey
301
2170
90 Brooks
301
4131
91 Karnes
301
2813
92 Nacogdoches
300
8134
93 Kaufman
299
3971
94 San Saba
296
8841
95 Atascosa
294
3615
96 Wise
293
5045
97 Austin
292
9526
98 Burleson
292
6131
99 Gillespie
292
6530
100 Gregg
291
3584
101 Angelina
290
9089
102 Grimes
290
3599
103 Navarro
290
3301
104 Palo Pinto
290
5798
105 Archer
289
3209
106 Freestone
289
2765
107 Parker
289
5204
108 Lampasas
286
5330
109 Caldwell
285
6966
110 Harrison
285
5130
111 Orange
285
4264
112 Hill
284
4441
113 Jasper
282
8052
114 Henderson
280
14,528
115 Wood
279
5627
116 Marion
278
2656
117 Walker
278
5394
118 Bee
277
7040
119 Bosque
277
5058
120 Clay
277
3556
121 Coleman
276
3174
122 Hutchinson
276
2687
123 Jones
276
2326
124 Milam
276
5733
125 Fannin
275
2152
126 Hale
275
5017
127 Polk
275
5659
128 Rusk
274
3519
129 La Salle
273
2652
130 Real
273
5393
131 Wilbarger
273
2809
132 Hood
272
3642
133 Lynn
272
2310
134 Robertson
272
2761
135 Hardin
271
6724
136 Lavaca
271
2282
137 San Jacinto
271
2778
138 Crockett
270
2875
139 Floyd
270
1762
140 Throckmorton
270
1980
141 Frio
269
2135
142 Lamar
269
1805
143 Cooke
268
2247
144 Duval
268
2864
145 Bowie
267
8462
146 Titus
267
2841
147 Houston
265
2779
148 Mitchell
265
1563
149 Hartley
264
966
150 Garza
263
1676
151 San Augustine
262
1209
152 Briscoe
260
1883
153 Hardeman
260
1926
154 Dickens
259
892
155 Donley
259
887
156 Edwards
259
5480
157 Jim Hogg
259
3490
158 Rockwall
259
2968
159 Somervell
259
9603
160 Young
259
2488
161 Hockley
258
1689
162 Zavala
258
1141
163 Anderson
256
2349
164 Baylor
256
1066
165 Dallam
256
2362
166 Panola
256
2255
167 Hopkins
255
1692
168 Knox
255
989
169 Trinity
255
1552
170 Brown
254
2770
171 Concho
254
1343
172 Gray
254
1206
173 Hansford
254
1199
174 Moore
254
1148
175 Tyler
254
3794
176 Leon
253
3017
177 Limestone
253
1741
178 Runnels
253
1477
179 Cass
252
1997
180 Coke
252
1190
181 Hemphill
252
688
182 Madison
252
1643
183 Nolan
252
1383
184 Lamb
251
1368
185 Red River
251
1817
186 Stephens
251
1105
187 Upshur
251
2938
188 Comanche
250
2023
189 Haskell
250
942
190 Mason
249
1643
191 Dimmit
248
1457
192 Montague
248
1386
193 Erath
246
2604
194 Motley
245
671
195 Cherokee
244
2402
196 McCulloch
244
1472
197 Morris
244
4883
198 Parmer
244
911
199 Shelby
244
2435
200 Callahan
243
1406
201 Howard
243
1546
202 Jack
243
1394
203 Falls
242
1698
204 Schleicher
241
959
205 Terry
240
865
206 Ector
239
1497
207 Franklin
239
4014
208 Scurry
238
1817
209 Irion
237
1533
210 Maverick
236
1576
211 Menard
236
1852
212 Shackelford
236
1119
213 Hamilton
235
3578
214 Sabine
235
2225
215 Swisher
235
1474
216 Mills
234
1702
217 Ochiltree
234
662
218 Cochran
232
821
219 Newton
232
938
220 Andrews
231
924
221 Camp
231
1903
222 Fisher
231
1239
223 Kent
231
639
224 Ward
231
1297
225 Dawson
229
977
226 Eastland
229
1381
227 Yoakum
229
739
228 Glasscock
226
724
229 Sutton
225
1974
230 Cottle
221
930
231 Oldham
221
644
232 Armstrong
219
721
233 Collingsworth
217
404
234 Borden
215
411
235 Deaf Smith
214
676
236 Martin
212
1168
237 Childress
210
692
238 Foard
209
844
239 Upton
207
583
240 Carson
206
1295
241 Stonewall
206
619
242 Reagan
205
624
243 Castro
204
747
244 Crane
204
397
245 Wheeler
204
685
246 Sterling
202
552
247 Loving
200
408
248 Sherman
199
603
249 Hall
198
1084
250 King
196
484
251 Roberts
193
356
252 Gaines
184
496
253 Lipscomb
184
359
254 Winkler
183
468