Filters and navigation

Change location Change location
All years

Top counties

Top regions sorted by number of observed species
Rank Region Species Checklists Species
1 Cameron
511
150,256
2 Nueces
483
89,155
3 Hidalgo
475
169,689
4 Harris
461
225,445
5 Galveston
458
148,401
6 El Paso
455
18,468
7 Travis
454
187,966
8 Brazoria
447
54,460
9 Bexar
445
98,682
10 Aransas
434
43,333
11 Calhoun
424
11,194
12 Brewster
421
47,727
13 Williamson
414
70,694
14 Tarrant
412
81,712
15 Jefferson
409
74,709
16 Kleberg
407
17,190
17 Matagorda
406
12,428
18 Lubbock
403
25,516
19 San Patricio
400
15,800
20 Chambers
389
46,151
21 Dallas
387
66,222
22 Kenedy
383
9241
23 Fort Bend
381
52,275
24 Bell
380
17,249
25 Starr
373
25,029
26 Hudspeth
367
4672
27 Uvalde
367
13,323
28 Brazos
366
39,970
29 Bastrop
365
17,701
30 Refugio
364
7053
31 Willacy
363
5951
32 Hays
361
27,497
33 Grayson
360
21,145
34 Val Verde
360
7530
35 Denton
357
33,426
36 Midland
356
12,986
37 Victoria
355
7716
38 Kendall
354
23,356
39 Randall
352
13,588
40 Reeves
351
6870
41 Taylor
351
10,838
42 Webb
351
11,924
43 McMullen
350
5892
44 Tom Green
350
19,442
45 Kimble
348
14,248
46 Comal
347
22,559
47 Jeff Davis
346
30,488
48 Burnet
343
20,519
49 Kerr
342
17,972
50 Culberson
340
7761
51 Jackson
340
4823
52 Hunt
337
4740
53 Waller
336
14,441
54 Van Zandt
335
9051
55 Collin
334
42,862
56 Guadalupe
334
27,580
57 Live Oak
334
4817
58 Crosby
333
4111
59 McLennan
333
15,042
60 DeWitt
329
5982
61 Pecos
322
3499
62 Wichita
322
5366
63 Colorado
321
9539
64 Jim Wells
321
3406
65 Kinney
321
5293
66 Presidio
321
6153
67 Rains
321
3317
68 Llano
320
6088
69 Montgomery
318
37,365
70 Potter
318
4149
71 Johnson
317
11,436
72 Bandera
316
12,197
73 Zapata
316
7229
74 Blanco
314
15,490
75 Goliad
311
2675
76 Liberty
311
5617
77 Washington
311
5306
78 Ellis
310
10,134
79 Medina
310
4872
80 Coryell
309
6353
81 Delta
309
932
82 Gonzales
307
8234
83 Wilson
307
5905
84 Smith
305
10,614
85 Fayette
302
4081
86 Karnes
302
2534
87 Lee
302
11,577
88 Bailey
299
2033
89 Brooks
299
3620
90 Kaufman
298
2864
91 San Saba
298
7769
92 Wharton
298
3019
93 Nacogdoches
297
6819
94 Terrell
297
1937
95 Austin
295
7138
96 Gregg
294
3327
97 Wise
294
4155
98 Atascosa
291
3151
99 Gillespie
290
5612
100 Grimes
290
3020
101 Palo Pinto
290
5196
102 Parker
288
4156
103 Freestone
287
2379
104 Harrison
287
4393
105 Angelina
286
7089
106 Archer
286
2441
107 Caldwell
286
6170
108 Lampasas
286
4126
109 Navarro
286
2585
110 Orange
284
3501
111 Burleson
283
4360
112 Hill
282
3524
113 Jasper
282
6311
114 Henderson
279
12,400
115 Walker
279
4290
116 Clay
278
2715
117 Wood
278
4413
118 Milam
277
5281
119 Rusk
277
3080
120 Coleman
276
2597
121 Hale
276
4806
122 Marion
275
2221
123 Polk
275
4605
124 Wilbarger
275
2713
125 Fannin
274
1895
126 Real
273
4552
127 Hood
272
2751
128 Lynn
272
2164
129 Robertson
272
2414
130 Bosque
271
4047
131 La Salle
270
2246
132 Throckmorton
270
1793
133 Bee
269
6386
134 Cooke
269
1930
135 Lavaca
269
1861
136 Hardin
268
5483
137 Hutchinson
268
2310
138 Lamar
268
1522
139 San Jacinto
268
2390
140 Titus
268
2057
141 Bowie
265
6811
142 Duval
265
2238
143 Jones
265
1427
144 Mitchell
263
1214
145 Frio
262
1864
146 Somervell
262
7793
147 Floyd
261
1569
148 Houston
261
2058
149 Briscoe
260
1655
150 Hartley
260
821
151 Crockett
259
2526
152 Hardeman
259
1635
153 Rockwall
259
2490
154 Zavala
259
1005
155 Dickens
258
807
156 Donley
258
790
157 Hockley
258
1570
158 Jim Hogg
258
2957
159 Panola
258
1863
160 Edwards
257
4864
161 Young
257
2270
162 Gray
254
1054
163 Trinity
254
1437
164 Upshur
254
2689
165 Anderson
253
1868
166 Limestone
253
1375
167 Tyler
253
3149
168 Baylor
252
901
169 Hemphill
252
588
170 Moore
252
999
171 Cass
251
1733
172 Garza
251
1234
173 Runnels
251
1082
174 Brown
250
2442
175 Comanche
250
1817
176 Madison
250
1389
177 Concho
249
1123
178 Hansford
249
742
179 Leon
249
2244
180 Mason
249
1442
181 Nolan
249
1113
182 Erath
248
2285
183 Hopkins
248
1498
184 San Augustine
248
1038
185 Lamb
247
1206
186 Red River
247
1509
187 Dimmit
246
1183
188 Knox
246
747
189 Montague
246
1237
190 Coke
245
864
191 Dallam
245
2142
192 Haskell
245
671
193 Shelby
245
2187
194 Stephens
245
945
195 Falls
244
1441
196 Cherokee
243
1865
197 Howard
243
1336
198 Morris
243
4167
199 McCulloch
242
1248
200 Motley
241
569
201 Terry
241
765
202 Hamilton
239
2603
203 Callahan
238
1129
204 Parmer
238
786
205 Schleicher
238
786
206 Franklin
236
3862
207 Scurry
236
1046
208 Ector
235
1270
209 Maverick
235
1303
210 Jack
234
1216
211 Sabine
234
1831
212 Cochran
232
761
213 Menard
232
1486
214 Newton
232
827
215 Andrews
231
780
216 Mills
231
1521
217 Shackelford
231
821
218 Ward
231
1121
219 Ochiltree
230
545
220 Irion
228
1129
221 Camp
227
1706
222 Kent
227
538
223 Eastland
225
1057
224 Fisher
224
852
225 Swisher
224
1311
226 Yoakum
224
644
227 Sutton
223
1614
228 Glasscock
221
623
229 Dawson
217
836
230 Borden
212
368
231 Oldham
211
553
232 Armstrong
210
508
233 Cottle
208
734
234 Foard
208
689
235 Upton
207
540
236 Childress
205
564
237 Martin
204
955
238 Collingsworth
202
346
239 Deaf Smith
199
549
240 Stonewall
199
481
241 Wheeler
199
572
242 Crane
198
363
243 Loving
197
357
244 Reagan
197
552
245 Sterling
197
502
246 Roberts
193
297
247 Hall
191
1006
248 Carson
190
1042
249 Castro
188
508
250 Sherman
187
481
251 King
178
392
252 Winkler
178
421
253 Gaines
177
426
254 Lipscomb
175
309