| Currently Accepted Name: | Silphium asteriscus L. var. scabrum Nutt. - Determined By: Daniel D. Spaulding, Oct 2008 |
| Herbarium Name Used: | Silphium asteriscus L. var. scabrum Nutt. |
| Collector: | Threlkeld, S.J. 619 with W.B. Threlkeld |
| Submission Info: | Submitted by apa_admin_brk on 19 Jul 2025 |