32. Drymaria lyropetala I. M. Johnst., J. Arnold Arbor. 21: 68. 1940.

Type.

Mexico. San Luis Potosi: 2 miles south of Cedral, on the road from Matehuala north to San Miguel on the state-boundary, 11 September 1938, I. M. Johnston 7594 (holotype: GH [00037731 image!]; isotypes: F [1016593 / F 0053297 F image!], S [S-G-7133 image!], UC [UC 741256 image!], US [1823067 / 00103347 image!]) .

Distribution.

Mexico.