51. Drymaria suffruticosa A. Gray, Proc. Amer Acad. Arts. 17: 328. 1882.

Type.

Mexico. Coahuila: San Lorenzo de Laguna to Vicinity, 22 to 27 leagues SW from Parras, (25°26'24"N, 102°10'48"W), 1–10 May 1880, E. Palmer 74 (holotype: GH [00037742 image!]; isotypes: F [302659 / F 0053304 F image!], K [K 000471742 image!], LE [LE 00001731 image!], MO [2174589 / 144042 image!], NY [00342507 image!, 00342508 image!], US [10422/00103366 image!], VT [UVMVT 024425 image!], YU [YU.068841 image!]) .

Distribution.

Mexico.