Sedum rosea (Linnaeus) Scopoli var. leedyi Rosendahl & J. W. Moore, Rhodora 49: 198, plate 1086. 1947; S. rosea subsp. leedyi (Rosendahl & J. W. Moore) R. T. Clausen; Tolmachevia integrifolia (Rafinesque) Á. Löve & D. Löve subsp. leedyi (Rosendahl & J. W. Moore) Á. Löve & D. Löve

Stems 15-45 cm. Leaf blades blue-green, glaucous, narrowly oblanceolate, 3-5.5 × 0.5-1.5 cm. Petals dark red throughout or usually greenish yellow at base. Seeds 2-2.8 mm. 2n = 36.

Flowering early summer. Ledges of cliffs; of conservation concern; 100-400 m; Minn., N.Y.

There are only five confirmed populations of subsp. leedyi: three in southeastern Minnesota and two in western New York. They are restricted to cool seeps in rocks and are threatened by housing developments. Subspecies leedyi was federally listed as threatened in 1997.