| Classification | Boraginaceae: Macromeria |
| Harvard University Herbaria Barcode(s) | 00026343 |
| Type Status | Holotype |
| Collector | C. H. Muller & M. T. Muller |
| Collector number | 741 |
| Country | Mexico |
| State | Nuevo León |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León |
| Locality | North slope of Mount Sierra Tronconal between Canyon de los Charcos and Canyon de San Miguel, ca 15 miles southwest of Galeana Charcos & Canyon de San Miguel; about 15 m. S. W. of Galeana |
| Date Collected | 1934-06-04 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1fab4435-a019-4005-976f-510b28c9de75 |
| Harvard University Herbaria Barcode | 00026343 |
| Herbarium | GH |
| Family | Boraginaceae |
| Type Status | Holotype |
| Holotype of | Macromeria barbigera I. M. Johnston |
| Verified by | B. L. Turner |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Macromeria barbigera I. M. Johnston) J. Arnold Arbor. 1935. 16: 189. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
