| Classification | Asteraceae: Erigeron |
| Harvard University Herbaria Barcode(s) | 02353997 |
| Type Status | Isosyntype |
| Collector | A. Nelson |
| Collector number | 1772 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming |
| Locality | Laplata Mines |
| Date Collected | 1895-08-23 |
| Verbatim Elevation | 11000 ft |
| Container | Flora of Wyoming |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1f3d802a-26b4-45a0-afb5-038e3a1a51ba |
| Harvard University Herbaria Barcode | 02353997 |
| Herbarium | GH |
| Previous ownership | [ex] Herb. University of Wyoming |
| Family | Asteraceae |
| Type Status | Isosyntype |
| Isosyntype of | Erigeron uniflorus var. melanocephalus A. Nelson |
| Verified by | Bailey, Zachary William |
| Date Determined | 2023-05-09 |
| Determination Remarks | [filed under] [current name] |
| Taxon Reference | (for Erigeron uniflorus var. melanocephalus A. Nelson) Wyoming Agric. Exp. Sta. Bull. 1896. 28: 131. |
| Family | Asteraceae |
| Type Status | Isosyntype |
| Isosyntype of | Erigeron melanocephalus A. Nelson |
| Verified by | Bailey, Zachary William |
| Date Determined | 2023-05-09 |
| Taxon Reference | (for Erigeron melanocephalus A. Nelson) Bull. Torrey Bot. Club 1899. 26(5): 246. |
| Family | Asteraceae |
| Determination | Erigeron melanocephalus A. Nelson |
| Determined by | Spongberg, Stephen Alan |
| Date Determined | 1970 |
| Family | Asteraceae |
| Determination | Erigeron uniflorus Linnaeus |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Erigeron melanocephalus A. Nelson |
| Annotation Text | [written on sheet] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
