15. Drymaria elata I. M. Johnst., J. Arnold Arbor. 21: 68. 1940.
Type.
Mexico. Coahuila: road from Mohovano northeast to Estancia Station: 6 miles south of Laguna del Rey, 21 September 1938, I. M. Johnston 7823 (holotype: GH [00037722 image!]) .
Distribution.
Mexico.