Arenaria macrotheca Hornemann ex Chamisso & Schlechtendal

Arenaria macrotheca Hornemann ex Chamisso & Schlechtendal is a synonym sensu FNA Ed. Comm., 2005 of:

Spergularia macrotheca (Hornemann ex Chamisso & Schlechtendal) Heynhold var. macrotheca, an accepted variety name sensu FNA Ed. Comm., 2005.