| Classification | Gentianaceae: Erythraea |
| Classification 1 | Gentianaceae: Centaurium |
| Classification 2 | Gentianaceae: Zeltnera |
| Classification 3 | Gentianaceae: Erythraea |
| Harvard University Herbaria Barcode(s) | 00026454 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Collector number | 1662 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Locality | [at camp at big bend of the San Pedro (Devils River)] |
| Date Collected | 1851-05-21 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f940ebdf-cb07-4bf8-ad82-f3c1984a0a4d |
| Harvard University Herbaria Barcode | 00026454 |
| Herbarium | GH |
| Previous ownership | [Ex] Herb. John A. Lowell. Transferred from the Boston Society of Natural History to the Gray Herbarium of Harvard University, October 2, 1941 |
| Family | Gentianaceae |
| Determination | Erythraea beyrichii Torrey & A. Gray |
| Determination Remarks | [is label name] |
| Family | Gentianaceae |
| Determination | Erythraea calycosa var. nana A. Gray |
| Determined by | Dunn, Rosalie A. |
| Date Determined | 1970-09-** |
| Annotation Text | isotype |
| Family | Gentianaceae |
| Determination | Centaurium sp. |
| Determined by | Dunn, Rosalie A. |
| Date Determined | 1970-09-** |
| Annotation Text | Centaurium arizonicum x texense |
| Family | Gentianaceae |
| Determination | Centaurium calycosum (Buckley) Fernald |
| Determined by | Turner, Billie Lee |
| Date Determined | 1993 |
| Family | Gentianaceae |
| Determination | Zeltnera calycosa (Buckley) G. Mansion |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2013 |
| Determination Remarks | [is Current name] |
| Family | Gentianaceae |
| Type Status | Isolectotype |
| Isolectotype of | Erythraea calycosa var. nana A. Gray |
| Verified by | Turner, Billie Lee |
| Date Determined | 1993 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Erythraea calycosa var. nana A. Gray) Syn. Fl. N. Amer. 1878. 2: 113. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
