| Name | Howellanthus (Constance) G. Walden & R. Patterson | 
| Authorship | (Constance) G. Walden & R. Patterson | 
| Rank | Genus | 
| Placed in | Hydrophyllaceae | 
| Contains | Howellanthus dalesiana (J. T. Howell) G. Walden & R. Patterson Howellanthus dalesianus (J.T.Howell) Walden & R.Patt. Howellanthus sp. | 
| Citation | 2010 MadroƱo 57(4): 270 |