| Classification | Asteraceae: Aster |
| Classification 1 | Asteraceae: Symphyotrichum |
| Harvard University Herbaria Barcode(s) | 00003665 |
| Type Status | Syntype |
| Collector | A. Nelson |
| Collector number | 5293 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Albany County |
| Locality | Hutton's Lake, Albany Co., Wyo. |
| Date Collected | 1898-09-07 |
| Container | Plants of Wyoming |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0996d473-653f-4130-9f01-60487213ba59 |
| Harvard University Herbaria Barcode | 00003665 |
| Herbarium | GH |
| Previous ownership | From the Rocky Mountain Herbarium, University of Wyoming, Laramie. |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Aster laetivirens Greene |
| Verified by | Kirchgessner, Anthony P. |
| Date Determined | 1992 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Aster laetivirens Greene) Pittonia 1900. 4: 219. |
| Family | Asteraceae |
| Determination | Symphyotrichum lanceolatum var. hesperium (A. Gray) G. L. Nesom |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2017 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Aster laetivirens Greene |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |