| Classification | Hydrophyllaceae: Nama | 
| Harvard University Herbaria Barcode(s) | 01166055 | 
| Type Status | Holotype | 
| Collector | I. M. Johnston | 
| Collector number | 7126 | 
| Country | Mexico | 
| State | Coahuila | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila | 
| Locality | Road from Monclova westward to beyond Cuatro Cienegas, 2 miles west of Cuatro Cienegas | 
| Date Collected | 1938-08-25 | 
| Habitat | a bank of very alkaline soil | 
| Container | Mexico: State of Coahuila | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6d171846-02d7-48ae-8eba-18fa262957ae | 
| Harvard University Herbaria Barcode | 01166055 | 
| Herbarium | GH | 
| Family | Hydrophyllaceae | 
| Type Status | Holotype | 
| Holotype of | Nama serpylloides var. confertum I. M. Johnston | 
| Verified by | Kittredge, Walter Tobey | 
| Date Determined | 2016 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Nama serpylloides var. confertum I. M. Johnston) J. Arnold Arbor. 1943. 24(1): 96. | 
| Family | Hydrophyllaceae | 
| Determination | Nama serpylloides var. confertum I. M. Johnston | 
| Determined by | [I. M. Johnston (scripsit) W. T. Kittredge, 2016] | 
| Determination Remarks | [current name] | 
| Annotation Text | Type n. var. | 
| Family | Hydrophyllaceae | 
| Determination | Nama serpylloides var. velutina C. L. Hitchcock | 
| Determined by | C.L.H. [C. L. Hitchcock] | 
| Date Determined | 1939 | 
| Annotation Text | [Paratype] | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |