Calystegia spithamaea subsp. purshiana (Wherry) Brummitt, Ann. Missouri Bot. Gard. 52: 215 (1965).
This name is accepted.
| Distribution: |
Pennsylvania to Alabama 75 PEN WVA 78 ALA GEO MRY NCA SCA VRG |
|---|---|
| Lifeform: | (Cl.) cham. |
| Family: | Convolvulaceae |
| Original Compiler: | George Staples |