| Classification | Asteraceae: Machaeranthera |
| Classification 1 | Asteraceae: Aster |
| Classification 2 | Asteraceae: Machaeranthera |
| Classification 3 | Asteraceae: Dieteria |
| Classification 4 | Asteraceae: Machaeranthera |
| Harvard University Herbaria Barcode(s) | 00009937 |
| Type Status | Holotype, Lectotype |
| Collector | C. Wright |
| Collector number | 262 pp. |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: El Paso County |
| Locality | Western Texas to El Paso, New Mexico [bottom of the Rio Grande at Pres. de San Elizario] |
| Date Collected | 1849-09-22 |
| Habitat | [On sand bars] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/aaa753bc-c683-4454-98bc-47e1075774e5 |
| Harvard University Herbaria Barcode | 00009937 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Machaeranthera canescens var. glabra A. Gray |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] [is label name] |
| Family | Asteraceae |
| Determination | Aster canescens var. viridis A. Gray |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] |
| Annotation Text | Syn. Fl. N. Amer. |
| Family | Asteraceae |
| Determination | Machaeranthera canescens var. glabra A. Gray |
| Determined by | B. L. Turner |
| Date Determined | 1987 |
| Annotation Text | LECTOTYPE Selected here! |
| Family | Asteraceae |
| Determination | Dieteria canescens var. glabra (A. Gray) D. R. Morgan & R. L. Hartman |
| Determined by | W. T. Kittredge |
| Date Determined | 2007 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Machaeranthera canescens var. glabra A. Gray |
| Verified by | D. E. Boufford |
| Date Determined | 1983 |
| Taxon Reference | (for Machaeranthera canescens var. glabra A. Gray) Smithsonian Contr. Knowl. 1852. 3(5): 89. |
| Family | Asteraceae |
| Type Status | Lectotype |
| Lectotype of | Machaeranthera canescens var. glabra A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2007 |
| Taxon Reference | (for Machaeranthera canescens var. glabra A. Gray) Smithsonian Contr. Knowl. 1852. 3(5): 89. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
