Petalonyx thurberi A. Gray subsp. thurberi | | a | i | Petalonyx thurberiA. Gray subsp. thurberi | |
Petalonyx linearis Greene | | a | | Petalonyx linearisGreene | |
Petalonyx parryi A. Gray | | a | | Petalonyx parryiA. Gray | |
Petalonyx thurberi A. Gray | | a | | Petalonyx thurberiA. Gray | |
Petalonyx thurberi A. Gray subsp. gilmanii (Munz) W. S. Davis & H. J. Thomps. | | a | i | Petalonyx thurberiA. Gray subsp. gilmanii (Munz) W. S. Davis & H. J. Thomps. | |
Petalonyx gilmanii Munz | Petalonyx thurberi A. Gray subsp. gilmanii (Munz) W. S. Davis & H. J. Thomps. | | | Petalonyx gilmaniiMunz | Petalonyx thurberiA. Gray subsp. gilmanii (Munz) W. S. Davis & H. J. Thomps. |
Petalonyx nitidus S. Watson | | a | | Petalonyx nitidusS. Watson | |