File:Rhabdonella in Branch, Campbell & Graham 1942.png - Wikimedia Commons

Rhynchonella Black and White Stock Photos & Images - Alamy

Herbarium Specimen Details - ISB: Atlas of Florida Plants

Frangula caroliniana

Category:Zabrachia tenella - Wikimedia Commons

Donald Campbell – The Forgotten Generations

Crotalaria spectabilis - Species Page - ISB: Atlas of Florida Plants

Hampton and Branchville RR #44 at Miley, SC 1956 by vincentberkan

File:Radula types.svg - Wikimedia Commons

Rhynchonella Black and White Stock Photos & Images - Alamy