Cerastium nigrescens subsp. arcticum (Lange) P.S. Lusby
Cerastium nigrescens subsp. arcticum (Lange) P.S. Lusby is a synonym sensu FNA Ed. Comm., 2005 of:
Cerastium arcticum Lange, an accepted species name sensu FNA Ed. Comm., 2005.
Cerastium nigrescens subsp. arcticum (Lange) P.S. Lusby is a synonym sensu FNA Ed. Comm., 2005 of:
Cerastium arcticum Lange, an accepted species name sensu FNA Ed. Comm., 2005.