| TAMU Image Gallery | GOOGLE (Spigelia marilandica) |
| 6 IMAGES FOUND AT PLANTSYSTEMATICS.ORG: IMAGES 1 - 6: | |||||||
 Spigelia marilandica |  Spigelia marilandica |  Spigelia marilandica |  Spigelia marilandica |  Spigelia marilandica |  Spigelia marilandica | ||
| NUMBER OF GENERA IN Loganiaceae: 14 | KEW LIST: Loganiaceae |
| Androya | Antonia | Bonyunia | Gardneria | Geniostoma | Labordia | Logania | Mitrasacme | Mitreola |
| Neuburgia | Norrisia | Spigelia 6 | Strychnos | Usteria |