Names
Carya ovata
Carya carolinae-septentrionalis
Carya ovata v. ovata
Carya ovata v. australis
Assertions
(One shagbark)
C. ovata sec Gleason ’52 C. ovata sec FNA ‘97
 (Southern shagbark)
C. carolinae-s. sec Radford ‘68
C. ovata v. australis sec FNA ‘97
(Northern shagbark)
C. ovata sec Radford ‘68
C. ovata (v. ovata) sec FNA ‘97
References
Gleason 1952 Britton & Brown
Radford et al. 1968 Flora Carolinas
Stone 1997 Flora North America
Six shagbark hickory assertions
Possible taxonomic synonyms are listed together