| Classification | Asteraceae: Aster |
| Classification 1 | Asteraceae: Lasallea |
| Classification 2 | Asteraceae: Virgulus |
| Classification 3 | Asteraceae: Symphyotrichum |
| Classification 4 | Asteraceae: Aster |
| Harvard University Herbaria Barcode(s) | 00303921 |
| Type Status | Isotype |
| Collector | N. C. Fassett, J. Catenhusen & L. H. Shinners |
| Collector number | 20711 |
| Country | United States of America |
| State | Wisconsin |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wisconsin: Lafayette County |
| Locality | Lafayette Co., Wisconsin; Summit of Platte Mound, 4 miles n.e. of Platteville |
| Date Collected | 1940-09-13 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1ca492f6-bdcf-4201-ab58-17db750ce8a8 |
| Harvard University Herbaria Barcode | 00303921 |
| Herbarium | GH |
| Previous ownership | ex Herbarium of the University of Wisconsin; Herbarium of Milwaukee Public Museum, No. 103232 |
| Family | Asteraceae |
| Determination | Aster oblongifolius Nuttall |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Aster oblongifolius var. angustatus Shinners |
| Determined by | Shinners, Lloyd Herbert |
| Date Determined | 1941-10-26 |
| Annotation Text | Duplicate Type |
| Family | Asteraceae |
| Determination | Lasallea oblongifolia (Nuttall) Semple & Brouillet |
| Determined by | Semple, John C. |
| Date Determined | 1980 |
| Family | Asteraceae |
| Determination | Virgulus oblongifolius Reveal |
| Determined by | Semple, John C. |
| Date Determined | 1984 |
| Family | Asteraceae |
| Determination | Symphyotrichum oblongifolium (Nuttall) G. L. Nesom |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2017 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Aster oblongifolius var. angustatus Shinners |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2017 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Aster oblongifolius var. angustatus Shinners) Amer. Midl. Naturalist 1941. 26: 418. |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
