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Count of Species by County

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Adams 118 Clinton 188 Dubuque 230 Worth 267
Montgomery 118 Floyd 195 Decatur 232 Harrison 268
Osceola 128 O'Brien 196 Winnebago 234 Carroll 275
Ringgold 130 Wapello 196 Wright 234 Des Moines 275
Lyon 133 Crawford 197 Hancock 235 Cherokee 277
Sioux 133 Delaware 199 Bremer 236 Marshall 277
Adair 135 Taylor 199 Butler 236 Allamakee 278
Clarke 135 Madison 200 Lucas 237 Pottawattamie 280
Humboldt 136 Grundy 201 Wayne 237 Sac 280
Shelby 137 Jones 202 Palo Alto 238 Boone 283
Davis 142 Plymouth 202 Pocahontas 239 Clay 286
Cass 149 Benton 203 Guthrie 244 Warren 286
Washington 152 Poweshiek 207 Tama 244 Van Buren 294
Henry 153 Franklin 209 Iowa 246 Fremont 295
Monroe 155 Webster 210 Louisa 247 Marion 297
Mills 157 Calhoun 211 Hamilton 248 Kossuth 298
Cedar 160 Mitchell 212 Lee 254 Linn 307
Union 168 Buena Vista 217 Muscatine 256 Appanoose 309
Emmet 171 Page 219 Hardin 259 Story 313
Jackson 172 Howard 223 Winneshiek 259 Woodbury 314
Chickasaw 173 Clayton 226 Greene 260 Dickinson 317
Keokuk 173 Jasper 226 Black Hawk 262 Cerro Gordo 318
Audubon 176 Mahaska 226 Monona 265 Johnson 331
Buchanan 181 Dallas 227 Ida 267 Polk 350
Fayette 187 Jefferson 228 Scott 267