species Friersonia iridella (Pilsbry & Frierson, 1908): specimens

UF_285361
Arroyo el Frijolar, NE of Tambaca, ca. 2 km NW Rascon, San Luis Potosi, Mexico

UF_283761
Arroyo Grande, 8 km NE Taniajas, 21° 40.6' N, 98° 49.5' W, San Luis Potosi, Mexico

UF_93155
Casas Viejas River, San Luis Potosi, Mexico

INHS_21736
Coy River, Mexico

UF_270416
creek, 2 km E Aquismon, 21° 37.4’ N, 99° 00.0’ W, San Luis Potosi, Mexico

AMS_102124
creek, 2.3 mi E Agua Buena, San Luis Potosi, Mexico

UF_270411
large creek, 18 km N Aquismon, San Luis Potosi, Mexico 21° 43.8’ N, 99° 06.2’ W

OSUM_46819
Rio Axtla, Comoca, 46 mi S Valles, San Luis Potosi, Mexico

NCSM_MFM_19307
Rio Axtla, Comoca, 75 km S Valles, San Luis Potosi, Mexico

USNM_1282420
Rio Huichiuayan at road to Xilitla ca. 0.7 roadmiles from its junction with Rt Mx 85 (this junction is ca 43.6 roadmiles S of junction of Rt Mx 85 and 70 in Ciudad Valles), San Luis Potosi, Mexico.

UF_283684
Rio Micos [Valles] Estacion de Micos, San Luis Potosi, Mexico

UF_283685
Rio Micos [Valles] Estacion de Micos, San Luis Potosi, Mexico

INHS_21734
Rio Panuco, Pujal, San Luis Potosi, Mexico

UF_271144
Rio Sabinas, Hwy 85, Sabinas, Tamaulipas, Mexico

USNM_1282416-17
Rio Tamuin [Tampaón], at Mex. 85 just S of Alvero Obregon, S of Ciudad Valles, San Luis Potosi, Mexico.

INHS_21729
Rio Valles, 2 mi above Micos, San Luis Potosi, Mexico

INHS_21730
Rio Valles, 2 mi above Micos, San Luis Potosi, Mexico

INHS_21731
Rio Valles, 2 mi W Micos, above rapids, Mexico

INHS_21732
Rio Valles, 2 mi W Micos, above rapids, Mexico

INHS_21733
Rio Valles, 2 mi W Micos, above rapids, Mexico

INHS_21724
Rio Valles, between Valles and Pujal, San Luis Potosi, Mexico

INHS_21725
Rio Valles, between Valles and Pujal, San Luis Potosi, Mexico

FMNH_68080
Rio Valles, San Luis Potosi, Mexico

FMNH_68438
Rio Valles, San Luis Potosi, Mexico

FMNH_198376
Rio Valles, Valles, Mexico

INHS_21758
Rio Valles, Valles, Mexico

INHS_21719
Rio Valles, Valles, Mexico

INHS_21721
Rio Valles, Valles, Mexico

INHS_21722
Rio Valles, Valles, Mexico

OSUM_68527
Rio Valles, Valles, San Luis Potosi, Mexico

OSUM_68528
Rio Valles, Valles, San Luis Potosi, Mexico

INHS_31731
Rio Valles, Willis Ranch, San Luis Potosi, Mexico

UF_518541
Rio Valles> Rio Panuco Near Ciudad Valles San Luis Potosi, Mexico

MCZ_288434
river, 2.7 mi W Rascon, San Luis Potosi, Mexico

AMS_102125
river, 2.7 mi W Rascon, San Luis Potosi, Mexico

USNM_1282412-13
San Luis Potosi, Rio Ganina at road to Estacion Rascon, ca. 3.4 roadmiles N of the junction of this road with Rt. Mex. 70 (this junction is ca. 19.5 roadmiles W of the junction of Rt. Mex. 85 and Rt. Mex. 70 in Ciudad Valles

USNM_1282414
San Luis Potosi, Rio Ganina at road to Estacion Rascon, ca. 3.4 roadmiles N of the junction of this road with Rt. Mex. 70 (this junction is ca. 19.5 roadmiles W of the junction of Rt. Mex. 85 and Rt. Mex. 70 in Ciudad Valles

USNM_1282421
San Luis Potosi, river (called Rio Estero by local man) at Rt. Mex. 110 ca. 17.6 roadmiles E of intersection of Rt. Mex. 110 and Rt. Mex. 85 in Ciudad Valles

USNM_1282418
Small river (local lad called it Rio Vallejares and said it was tributary to Rio Ganina) at bridge of Estacion Rascon-Damian Carmona road ca 1.8 roadmiles N of railroad crossing in Estacion Rascon, San Luis Potosi, Mexico

USNM_1282426
Small river (local people call it Arroyo los Gatos), presumably a headwaters stream of the Casas Viajas system, at Rt Mx 80 in Nuevo Morelos (ca. 0.7 roadmiles from sign on E end of town), ca. 12.1 roadmiles along Rt Mx 80 W of Antiguo Morelos, Tamaulipas, Mexico

USNM_1282427
Small river (local people call it Arroyo los Gatos), presumably a headwaters stream of the Casas Viajas system, at Rt Mx 80 in Nuevo Morelos (ca. 0.7 roadmiles from sign on E end of town), ca. 12.1 roadmiles along Rt Mx 80 W of Antiguo Morelos, Tamaulipas, Mexico

USNM_1282428
Small river (local people call it Arroyo los Gatos), presumably a headwaters stream of the Casas Viajas system, at Rt Mx 80 in Nuevo Morelos (ca. 0.7 roadmiles from sign on E end of town), ca. 12.1 roadmiles along Rt Mx 80 W of Antiguo Morelos, Tamaulipas, Mexico

USNM_1282430-31
Small river (local people call it Arroyo los Gatos), presumably a headwaters stream of the Casas Viajas system, at Rt Mx 80 in Nuevo Morelos (ca. 0.7 roadmiles from sign on E end of town), ca. 12.1 roadmiles along Rt Mx 80 W of Antiguo Morelos, Tamaulipas, Mexico

USNM_1282419
Small river (locals call it Arroyo de Oxitipa) at paved road ca. 2.1 roadmiles E of Aquismon, San Luis Potosi, Mexico

USNM_1282429
Tamaulipas, creek flowing into Rio Frio ca. 0.5 rivermiles (not measured) above bridge of Rt. Mex. 85 over Rio Frio at Rio Frio (town)

USNM_1282422
Tamaulipas, Rio Carrizal at Rt. Mex. 180 in Nuevo Progreso, ca. 20.8 mi N of road divergence (on Rt. Mex. 180) to Aldma and Est. Manuel

USNM_1283188
Tamaulipas, Rio Sabinas at Rt. Mex. 85 near Sabinas, ca. 7.3 roadmiles S of El Encino, ca. 7 miles (not measured) N of intersection of Rt. Mex. 85 and the road to Xicotencatl

USNM_1282423-24
Tamaulipas, stream at Rt. Mex. 80 ca. 3.1 roadmiles E of Ciudad Mante (measured from circle in southern Mante where the Tampico, Mante, and Valles roads diverge)

INHS_21735
Tampamolon Creek, Tampamolon, [San Luis Potosi], Mexico

FMNH_21846
Tampico, Mexico

UF_93152
Tampico, Tamaulipas, Mexico

UF_93153
Valles River, 2 mi above Micos, San Luis Potosi, Mexico

UF_93156
Valles River, 2 mi above Micos, San Luis Potosi, Mexico

USNM_1282415B
Valles River, ca. 0.4 roadmiles S (downriver) of railroad station in Micos, ca. 1.5 mi N (toward Micos) of Plantas Hidroelectrica de Micos, ca. 14 mi NW of Ciudad Valles, San Luis Potosi, Mexico

USNM_1282415
Valles River, ca. 0.4 roadmiles S (downriver) of railroad station in Micos, ca. 1.5 mi N (toward Micos) of Plantas Hidroelectrica de Micos, ca. 14 mi NW of Ciudad Valles, San Luis Potosi, Mexico

INHS_21718
Valles River, Mexico

INHS_21723
Valles River, Mexico

ZMB_61686
Valles River, Mexico

MNHN_MP_1291
Valles River, Mexico

UF_270363
Valles River, San Luis Potosi, Mexico

UF_270370
Valles River, San Luis Potosi, Mexico

UF_270371
Valles River, San Luis Potosi, Mexico

UF_93160
Valles River, San Luis Potosi, Mexico

ANSP_58559
Valles River, Valles, Mexico

UF_229268
Valles River, Valles, Mexico

NCSM_MFM_5085
Valles River, Valles, San Luis Potosi, Mexico

INHS_21727
Valles River, Willis Ranch, S of Valles, Mexico

INHS_21728
Valles River, Willis Ranch, S of Valles, Mexico

UF_93159
Valles River, Willis Ranch, San Luis Potosi, Mexico

USNM_1282432
Veracruz, creek reached by turning W at N end of bridge of Rt. Mex. 130 (ca. 1.1 roadmiles N of intersection of Rt. Mex. 130 and Rt. Mex. 180 in Poza Rosa), going W for ca. 0.8 roadmiles and turning S onto farm road for ca. 0.5 roadmiles

USNM_1282435
Veracruz, Rio Tempoal (or Rio Calabazo) at Rt. Mex. 105 between Tempoal and Platon Sanchez. N21°25'00" W98°23'30" 8 Feb 82

USNM_1282436-41
Veracruz, Rio Tempoal (or Rio Calabazo) at Rt. Mex. 105 between Tempoal and Platon Sanchez. N21°25'00" W98°23'30" 8 Feb 82