Stems from short stolons; stolons for the next year usually developed while the plant is in bloom, bearing ovate petiolate lvs 3-10 mm; lvs of flowering sterns linear, entire, 1-2 cm. Beaches of lakes Erie, Huron, and Michigan, where the plants are stiffly erect, simple or branched, 1-2 dm; also inland in O., W.Va. and Ill., and s. Wis., and from Mo. to Okla. and Tex., where the stems are diffusely branched and to 4 dm. (S. arkansana; Clinopodium glabrum; Calamintha nuttallii)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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From Flora of Indiana (1940) by Charles C. Deam

Common in moist sandy soil on the dune just south of Pine, in Lake County; local in the crevices and in the talus at the base of the limestone escarpment of the Wabash River below Logansport and Georgetown in Cass County; and in the Elliott's Mill Bog about 4 miles southeast of Richmond. It has also been reported for Porter County and for Clark and Jefferson Counties. This species is easily cultivated and because of its stoloniferous habit, it soon spreads and covers the ground or rocks on which it is planted. We have had it in cultivation for several years and it is perfectly hardy and is admired by visitors.