| Silphium compositum Michx. |
| Currently Accepted Name: | Silphium compositum Michx. var. compositum - Determined By: Daniel D. Spaulding, Aug 2015 |
| Herbarium Name Used: | Silphium compositum Michx. var. compositum |
| Collector: | Whetstone, R. David 3361 with J.M. Ballard |
| Submission Info: | Submitted by apa_admin_brk on 19 Jul 2025 |