50. Drymaria subumbellata I. M. Johnst., J. Arnold Arbor. 31: 188. 1950.

Type.

Mexico. Coahuila: south end of Cañada Oscuro, near Tanque la Luz, 28 October 1941, I. M. Johnston 8489 (holotype: GH [00037740 image!]; isotypes: GH [00037741 image!], LL [00370756 image!]) .

Distribution.

Mexico.