Starry Rosinweed — Silphium asteriscus
| There are 5 varieties of Silphium asteriscus listed in Weakley's Flora - not sure which one this one is. Durham Co., NC 6/21/2009 |
| Durham Co., NC 6/21/2009 |
| Durham Co., NC 6/21/2009 |
| Durham Co., NC 6/21/2009 |