| Classification | Crataegus |
| Harvard University Herbaria Barcode(s) | 00017633 |
| Type Status | Probable Syntype |
| Collector | V. H. Chase |
| Collector number | 150-97 |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois: Stark County: Wady Petra |
| Date Collected | 1897-10-21 |
| Habitat | Open woods |
| Container | Flora of Stark County, Illinois |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f52284af-b1f7-4b61-9291-7cac39fdd7ea |
| Harvard University Herbaria Barcode | 00017633 |
| Herbarium | A |
| Type Status | Probable Syntype |
| Probable Syntype of | Crataegus illinoiensis Ashe |
| Verified by | Boufford, David Edward |
| Date Determined | 1988 |
| Determination Remarks | [current name] |
| Annotation Text | Probable Syntype |
| Taxon Reference | (for Crataegus illinoiensis Ashe) J. Elisha Mitchell Sci. Soc. 1900. 16: 76. |
| Determination | Crataegus illinoiensis Ashe |
| Determination Remarks | [filed under] |
| Determination | Crataegus macracantha Loddiges ex Loudon |
| Date Determined | 1897-10-21 |
| Determination Remarks | [label name] |
| Determination | Crataegus illinoiensis Ashe |
| Annotation Text | [written on sheet] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
