Johnstonella pusilla (Torr. & A. Gray) Hasenstab & M. G. Simpson species accepted

Johnstonella micromeres (A. Gray) Hasenstab & M. G. Simpson species accepted

Johnstonella geohintonii (B. L. Turner) M. G. Simpson & R. B. Kelley species accepted

Johnstonella inaequata Brand species accepted

Johnstonella gypsites (I. M. Johnst.) Hasenstab & M. E. Mabry species accepted

Johnstonella costata (Brandegee) Hasenstab & M. G. Simpson species accepted

Johnstonella angelica (I. M. Johnst.) Hasenstab & M. G. Simpson species accepted

Johnstonella racemosa (S. Watson ex A. Gray) Brand species accepted

Johnstonella parviflora (Phil.) Hasenstab & M. G. Simpson species accepted

Johnstonella grayi (Vasey & Rose) Hasenstab & M. G. Simpson species accepted

Johnstonella fastigiata (I. M. Johnst.) Hasenstab & M. G. Simpson species accepted

Johnstonella mexicana (Brandegee) M. E. Mabry & M. G. Simpson species accepted

Johnstonella holoptera (A. Gray) Hasenstab & M. G. Simpson species accepted

Johnstonella albida (Kunth) M. E. Mabry & M. G. Simpson species accepted

Johnstonella diplotricha (Phil.) Hasenstab & M. G. Simpson species accepted

Johnstonella angustifolia (Torr.) Hasenstab & M. G. Simpson species accepted

Johnstonella sheylae G. S. Hinton species accepted

Johnstonella punensis M. G. Simpson & Muñoz-Schick species accepted