| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Verrucaria compacta (A.Massal.) Jatta | K. Knudsen 11460 with N. Pietrasiak, D.R. Nichols, 17 Jun 2009 | United States of America. California. San Bernardino Co. Mojave Desert, Clark Mountains, Mojave National Preserve, lower slope above alluvial fan, Clark Mountains Quad. | 1106511 |  | |
| Verrucaria compacta (A.Massal.) Jatta | R. C. Harris 25444 19 Sep 1990 | United States of America. Missouri. Saint Francois Co. Rhyolite glade just W of Knob Lick Fire Tower. | 771536 |  | |
| Verrucaria compacta (A.Massal.) Jatta | R. C. Harris 44181 29 Oct 2000 | United States of America. Missouri. Greene Co. Wilson's Creek National Battlefield, Bloody Hill. | 771537 |  | |
| Verrucaria compacta (A.Massal.) Jatta | W. R. Buck 32827 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 Sugar Tree Hollow. | 771494 |  |