| Gnaphalium oxyphyllum var. semilanatum DC., 1837 |
| Gnaphalium pallidum Lam., 1837 |
| Gnaphalium palustre Nutt., 1841 |
| Gnaphalium panniforme S.F. Blake, 1943 |
| Gnaphalium pannosum A. Gray, 1883 |
| Gnaphalium pedunculosum I.M. Johnst., 1923 |
| Gnaphalium pensylvanicum Willd., 1809 |
| Gnaphalium peregrinum Fernald, 1943 |
| Gnaphalium poeppigianum DC., 1837 |
| Gnaphalium poeppigianum var. huigrense Domke, 1937 |
| Gnaphalium polycaulon Pers., 1807 |
| Gnaphalium polycephalum Michx., 1803 |
| Gnaphalium portoricense Urb., 1903 |
| Gnaphalium pringlei A. Gray, 1886 |
| Gnaphalium purpurascens DC., 1837 |
| Gnaphalium purpureum L., 1753 |
| Gnaphalium purpureum var. americanum (Mill.) Klatt, 1878 |
| Gnaphalium purpureum var. simplicicaule (Willd. ex Spreng.) Klatt, 1878 |
| Gnaphalium purpureum var. spathulatum (Lam.) Baker, 1882 |
| Gnaphalium rhodanthum Sch. Bip., 1856 |