Waltheria pyrolaefolia A. Gray , U. S. Expl. Exped., Phan. 190. 1854.
Type information:
Holotype [US]. U. S. Expl. Exped. s.n.. 1838 1840. Maui: sand hills near Wailuku. Isotype(s) [GH].

Note: See St. John, Phytologia 33: 92. 1976 for location of isotypes (Harvard, Cambridge, and Paris) examined by him.

=Waltheria indica
Note: See St. John, Phytologia 33: 92. 1976 for location of isotypes (Harvard, Cambridge, and Paris) examined by him.

*Verification: W.L. Wagner.