Montiastrum bostockii (A.E. Porsild) Ö. Nilsson

Montiastrum bostockii (A.E. Porsild) Ö. Nilsson is a synonym sensu FNA Ed. Comm., 2003a of:

Montia bostockii (A.E. Porsild) Welsh, an accepted species name sensu FNA Ed. Comm., 2003a.