| Classification | Asteraceae: Aster |
| Classification 1 | Asteraceae: Symphyotrichum |
| Harvard University Herbaria Barcode(s) | 00936411 |
| Type Status | Holotype |
| Collector | O. P. Phelps |
| Collector number | 1250 |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Saint Lawrence County |
| Locality | Potsdam |
| Date Collected | 1915-09-08 |
| Container | Flora of Northern New York |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/00d37022-f11c-467d-a317-b9f0babbd692 |
| Harvard University Herbaria Barcode | 00936411 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Aster ontarionis Wiegand |
| Verified by | Boufford, David Edward |
| Date Determined | 1983 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Aster ontarionis Wiegand) Rhodora 1928. 30: 179. |
| Family | Asteraceae |
| Determination | Symphyotrichum ontarionis (Wiegand) G. L. Nesom |
| Determined by | Brouillet, Luc |
| Date Determined | 2019-02-05 |
| Determination Remarks | [current name] |
| Annotation Text | var. ontarionis |
| Family | Asteraceae |
| Determination | Aster ontarionis Wiegand |
| Determined by | Semple, John C. |
| Date Determined | 1980-05-** |
| Annotation Text | Holotype |
| Family | Asteraceae |
| Determination | Aster ontarionis Wiegand |
| Determined by | Jones, Almut Gitter |
| Date Determined | 1977 |
| Annotation Text | Holotype |
| Family | Asteraceae |
| Determination | Aster pantotrichus S. F. Blake |
| Determined by | Shinners, Lloyd Herbert |
| Date Determined | 1948-11-21 |
| Annotation Text | (A. missouriensis) with leaves slighlty narrowed than average. The creeping rootstocks separate this species from A. lateriflorus which lacks them. |
| Family | Asteraceae |
| Determination | Aster ontarionis Wiegand |
| Determined by | Wiegand, Karl McKay |
| Date Determined | 1927-12-** |
| Annotation Text | Type |
| Family | Asteraceae |
| Determination | Aster lateriflorus (Linnaeus) Britton |
| Determination Remarks | [label name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
