| Classification | Asteraceae: Erigeron |
| Classification 1 | Asteraceae: Conyza |
| Barcode(s) | 00006647 |
| Type Status | Isolectotype, Holotype |
| Collector | F. J. Lindheimer |
| Collector number | Fasc. IV.626 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Locality | [North of the Liano (Llano)] |
| Date Collected | 1847-10-** |
| Habitat | [Prairies, among granite rocks] |
| Remarks | [data from protologue] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/559ba2d1-9d4c-43d2-84b2-4f6c9a724b6d |
| Harvard University Herbaria Barcode | 00006647 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isolectotype |
| Isolectotype of | Erigeron canadense var. glabratus A. Gray |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2009 |
| Annotation Text | [cited as,"Lindheimer 626, prairies n. of the Liano, Texas; holotype at GH!"]; ISOLECTOTYPE |
| Taxon Reference | (for Erigeron canadense var. glabratus A. Gray) Boston J. Nat. Hist. 1850. 6(2): 220. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Erigeron canadense var. glabratus A. Gray |
| Verified by | Boufford, David Edward |
| Date Determined | 1983 |
| Annotation Text | Holotype |
| Taxon Reference | (for Erigeron canadense var. glabratus A. Gray) Boston J. Nat. Hist. 1850. 6(2): 220. |
| Family | Asteraceae |
| Determination | Conyza canadensis (Linnaeus) Cronquist |
| Determined by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Erigeron canadense var. glabratus A. Gray |
| Determined by | B. L. R. [Benjamin Lincoln Robinson] |
| Date Determined | 1913 |
| Annotation Text | Nomencl. Rev. Acc. To Internat. Rules |
| Family | Asteraceae |
| Determination | Erigeron canadense var. glabratus A. Gray |
| Determined by | [A. Gray (scripsit) J. McI. Shapiro, 2020] |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
