| Zanthoxylum americanum Mill. | F. Bartley 561 with Leslie L. Pontius,
15 Jul 1937 | United States of America. Ohio. Highland Co. Brush Twp. | | 389185 |  |
| Zanthoxylum americanum Mill. | C. H. Jones s.n.
09 May 1936 | United States of America. Ohio. Meigs Co. Columbia Twp. | | 389184 |  |
| Zanthoxylum americanum Mill. | D. E. Atha 8228 with Michael Nee,
09 Sep 2009 | United States of America. Wisconsin. Sauk Co. ca halfway between towns of Lone Rock and Spring Green, N of the Wisconsin River, Boeken Unit of the Lower Wisconsin State Riverway. | | 01157228 |  |
| Zanthoxylum americanum Mill. | | | | 02532413 |  |
| Zanthoxylum americanum Mill. | | | | 02691847 |  |
| Zanthoxylum americanum Mill. | | | | 03754067 |  |
| Zanthoxylum americanum Mill. | | | | 3787958 |  |
| Zanthoxylum americanum Mill. | | | | 3787959 |  |
| Zanthoxylum americanum Mill. | | | | 3787961 |  |
| Zanthoxylum americanum Mill. | | | | 3787962 |  |
| Zanthoxylum americanum Mill. | | | | 3787963 |  |
| Zanthoxylum americanum Mill. | H. A. Stephens 20005 | United States of America. Nebraska. Richardson Co. 5 mi. N., 5 E. Falls City. | | 3787965 |  |
| Zanthoxylum americanum Mill. | | | | 3787966 |  |
| Zanthoxylum americanum Mill. | | | | 3787967 |  |
| Zanthoxylum americanum Mill. | | | | 3787968 |  |
| Zanthoxylum americanum Mill. | | | | 3787969 |  |
| Zanthoxylum americanum Mill. | | | | 3787970 |  |
| Zanthoxylum americanum Mill. | | | | 3787971 |  |
| Zanthoxylum americanum Mill. | | | | 3787973 |  |
| Zanthoxylum americanum Mill. | | | | 3787974 |  |
| Zanthoxylum americanum Mill. | | | | 3787975 |  |
| Zanthoxylum americanum Mill. | | | | 3787977 |  |
| Zanthoxylum americanum Mill. | | | | 3787980 |  |
| Zanthoxylum americanum Mill. | | | | 3787981 |  |
| Zanthoxylum americanum Mill. | | | | 3787982 |  |
| Zanthoxylum americanum Mill. | | | | 3787983 |  |
| Zanthoxylum americanum Mill. | | | | 3787984 |  |
| Zanthoxylum americanum Mill. | | | | 3787985 |  |
| Zanthoxylum americanum Mill. | | | | 3787986 |  |
| Zanthoxylum americanum Mill. | | | | 3787987 |  |
| Zanthoxylum americanum Mill. | | | | 3787988 |  |
| Zanthoxylum americanum Mill. | | | | 3787989 |  |
| Zanthoxylum americanum Mill. | | | | 3787990 |  |
| Zanthoxylum americanum Mill. | | | | 3787991 |  |
| Zanthoxylum americanum Mill. | | | | 3787992 |  |
| Zanthoxylum americanum Mill. | | | | 3787994 |  |
| Zanthoxylum americanum Mill. | G. T. Robbins 3154 | United States of America. Oklahoma. Garvin Co. Along State Highway 18 about 5 miles south of Stratford. | | 3787995 |  |
| Zanthoxylum americanum Mill. | | | | 3787996 |  |
| Zanthoxylum americanum Mill. | | | | 3787997 |  |
| Zanthoxylum americanum Mill. | E. J. Palmer 39226 | United States of America. Missouri. Cole Co. Near Brazita. | | 3787998 |  |