| Arenaria decussata Willd. ex Schltdl., 1813 |
| Arenaria digyna Willd. ex Schltdl., 1813 |
| Arenaria douglasii Fenzl ex Torr. & A. Gray, 1840 |
| Arenaria eastwoodiae Rydb., 1904 |
| Arenaria floribunda Gay, 1846 |
| Arenaria guatemalensis Standl. & Steyerm., 1944 |
| Arenaria gypsostrata B.L. Turner, 1993 |
| Arenaria hintoniorum B.L. Turner, 1992 |
| Arenaria lanuginosa (Michx.) Rohrb., 1872 |
| Arenaria lanuginosa var. saxosa (A. Gray) Zarucchi, R.L. Hartm.& Rabeler, 2004 |
| Arenaria ludens Shinners, 1962 |
| Arenaria lycopodioides Willd. ex Schltdl., 1813 |
| Arenaria macrotheca (Hornem.) Heynh., 1826 |
| Arenaria megalantha F.N. Williams, 1898 |
| Arenaria mexicana Bartl., 1831 |
| Arenaria moehringioides Murr, 1906 |
| Arenaria oresbia Greenm., 1904 |
| Arenaria paludicola B.L. Rob., 1894 |
| Arenaria parvifolia Benth., 1839 |
| Arenaria peyritschii Rohrb., 1872 |