| Magnoliaceae | Magnolia acuminata var. acuminata | Cucumber-tree, Cucumber Magnolia | Mesic to subxeric forests, especially (but by no means strictly) over mafic or calcareous rocks, up to at least 1550m (where growing with Betula alleghaniensis, Abies fraseri, Picea rubens, and Sorbus americana), ultramafic outcrop barrens (where codominant with Pinus rigida and Quercus alba). | S. ME, MY, c. IN, s. MO, and e. OK, south to c. GA, w. Panhandle FL (Holmes and Walton counties), s. AL, s. MS, and w. LA. | 
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| Magnoliaceae | Magnolia acuminata var. subcordata | Yellow Cucumber-tree, Showy Cucumber Magnolia, Yellow-flowered Magnolia | Moist to dry slopes and bottomlands over mafic or calcareous rocks. | Var. subcordata ranges from sc. NC south to AL. | 
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