Pyrrocoma howellii (A. Gray) Greene
Pyrrocoma howellii (A. Gray) Greene is a synonym sensu FNA Ed. Comm., 2006b of:
Pyrrocoma uniflora (Hooker) Greene var. uniflora, an accepted variety name sensu FNA Ed. Comm., 2006b.
Pyrrocoma howellii (A. Gray) Greene is a synonym sensu FNA Ed. Comm., 2006b of:
Pyrrocoma uniflora (Hooker) Greene var. uniflora, an accepted variety name sensu FNA Ed. Comm., 2006b.