| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Verrucaria nigrescens Pers. | R. C. Harris 40502 17 Apr 1997 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, Falling Spring, ca. 2.4 mi E of MO 19 on Forest Service Road 3170/3164. | 771511 | ||
| Verrucaria nigrescens Pers. | R. C. Harris 21764 27 Apr 1988 | United States of America. Missouri. Carter Co. Along Co. Rd. Z, 3.4 mi NE of jct with St. Rd. 103/Big Spring. | 771509 | ||
| Verrucaria nigrescens Pers. | R. C. Harris 40457 16 Apr 1997 | United States of America. Missouri. Shannon Co. Shut-In Mountain Fen Preserve, along Wildcat Hollow ca. 0.5 mi S of confluence with Little Rocky Creek, ca. 1 mi E of Co. H. | 771510 | ||
| Verrucaria nigrescens Pers. | W. R. Buck 31852 16 Apr 1997 | United States of America. Missouri. Shannon Co. Shut-In Mountain Fen Preserve, along Wildcat Hollow ca. 0.5 mi S of confluence with Little Rocky Creek, ca. 1 mi E of Co. H. | 771512 | ||
| Verrucaria nigrescens Pers. | R. C. Harris 41390 11 Oct 1997 | United States of America. Missouri. Ozark Co. Mark Twain National Forest, Smoke Tree Scenic Lookout, along Forest Service Road 147 (Glade Top Trail), between Bristle Ridge and Haden Bald. | 771525 | ||
| Verrucaria nigrescens Pers. | W. R. Buck 36410 04 Oct 1999 | United States of America. Alabama. Marion Co. North Fork Creek, on W side of US 43, ca. 5 mi SW of AL 172 at Hackleburg. | 01187242 | ||
| Verrucaria nigrescens Pers. | C. Varner s.n. 08 Jul 1961 | United States of America. Michigan. Emmet Co. Shore of Cecil Bay. | 2280321 | ||
| Verrucaria nigrescens Pers. | 04439551 | ||||
| Verrucaria nigrescens Pers. | 04586057 |  | |||
| Verrucaria nigrescens Pers. | 04586058 |  | |||
| Verrucaria nigrescens Pers. | A. Khitsun 8092015-2 09 Aug 2015 | United States of America. Wisconsin. Calumet Co. High Cliff State Park. | 04261744 |  | |
| Verrucaria nigrescens Pers. | 04534686 | ||||
| Verrucaria nigrescens Pers. | 04586064 |  | |||
| Verrucaria nigrescens Pers. | 04586065 |  | |||
| Verrucaria nigrescens Pers. | S. Svane 69 SS10 | Denmark. Midtjylland. Norddjurs (Mun.). Jutland, Glatved S of Grenå, distr. 22 b. | 04253360 |  | |
| Verrucaria nigrescens Pers. | H. Hertel 19548 | Denmark. Nordjylland. Jammerbugt (Mun.). Nordjütland: Gemeinde Fjerritslev (Nordsee, Jammerbucht) zwischen Slettestrand und Svinklöv - Plantage. | 04586061 |  | |
| Verrucaria nigrescens Pers. | W. R. Buck 32460 | Spain. Aragón. Teruel Prov. Sierra de Javalambre, Alto del Chorrillo, along road from La Puebla de Valverde to Pico de Javalambre, SSE of road to Camerena de la Sierra. | 4253359 |  | |
| Verrucaria nigrescens Pers. | R. C. Harris 40488 17 Apr 1997 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, Falling Spring, ca. 2.4 mi E of MO 19 on Forest Service Road 3170/3164. | 771526 |  | |
| Verrucaria nigrescens Pers. | W. R. Buck 36009 04 Aug 1999 | United States of America. Missouri. Ozark Co. Caney Mountain Conservation Area, off MO 181, Long Bald. | 771527 |  | |
| Verrucaria nigrescens Pers. | 04586066 |  | |||
| Verrucaria nigrescens Pers. | 04586063 |  | |||
| Verrucaria nigrescens Pers. | 04586056 |  | |||
| Verrucaria nigrescens Pers. | 04443763 |  | |||
| Verrucaria nigrescens Pers. | J. C. Lendemer | W. R. Buck 11995 27 May 2007 | United States of America. New York. Dutchess Co. Dover Plains. Roger Perry Memorial Preserve, S of Sand Hill Road, SE of jct with Lime Kiln Road. | 975619 |  | |
| Verrucaria nigrescens Pers. | 04586059 |  | |||
| Verrucaria nigrescens Pers. | Collector unspecified s.n. | France. Hérault: Circa Monspelium. | 04253358 |  | |
| Verrucaria nigrescens Pers. | 04586062 |  | |||
| Verrucaria nigrescens Pers. | 04586060 |  | |||
| Verrucaria nigrescens Pers. | M. Anzi s.n. s.d. | Italy. Lombardia. Como (Prov.). in prov. Novo. Comensi. | 04439902 |  | |
| Verrucaria nigrescens Pers. | 04575234 |  | |||
| Verrucaria nigrescens Pers. | 04575235 |  |