12. Drymaria debilis Brandegee, Proc. Calif. Acad. Sci., ser. 2, 2: 131. 1889.

= Drymaria polystachya Brandegee, Zoë 2 (1): 70. 1891. Type: Mexico. Baja California Sur: San José del Cabo, 24 September 1890, T. S. Brandegee 35 (holotype: UC [120336 / UC 120336 image!]; isotypes: NY [00342505 image!], POM [151790/0002392 image!], US [10418/00103357 image!, 735811/00931426 image!]) .

= Drymaria diffusa Rose, Contr. U. S. Natl. Herb. 1 (5): 130, pl. 12. 1892. Type: Mexico. Baja California Sur: Carmen Island, 1 November 1890, E. Palmer 819 (holotype: US [10399/00952505 image!]; isotypes: F [166343 / F 0053289 F image!], GH [00311114 image!], LE [LE 00001741 image!], UC [120326 / UC 120326 image!], US [1391051 / 00952506 image!]) .

≡ Drymaria polystachya var. diffusa (Rose) Wiggins, Proc. Calif. Acad. Sci., ser. 4, 25: 198. 1944.

Type.

Mexico. Baja California Sur: Purisima, 13 February 1889, T. S. Brandegee s. n. (holotype: UC [120315 / UC 120315 image!]; isotypes: CAS [0002340 image!], PH [01031254 / 00009747 image!], US [10402/00103336 image!]) .

Distribution.

Mexico.

Notes.

The isotype at CAS of Drymaria debilis represents fragments removed from the holotype.