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 |
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Lifeform: | (Cl.) cham. |
Family: | Convolvulaceae |
Original Compiler: | George Staples |