| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00016773 |
| Type Status | Syntype, Lectotype |
| Collector | E. J. Palmer |
| Collector number | 1 |
| Country | United States of America |
| State | Missouri |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri |
| Locality | LaRussel |
| Date Collected | 1908-04-22 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5ee21d12-5f5e-4900-82f4-10d0d2ae73cc |
| Harvard University Herbaria Barcode | 00016773 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus lawrencensis Sargent |
| Verified by | D. E. Boufford |
| Date Determined | 1987 |
| Taxon Reference | (for Crataegus lawrencensis Sargent) J. Arnold Arbor. 1922. 3: 3. |
| Family | Rosaceae |
| Type Status | Lectotype |
| Lectotype of | Crataegus lawrencensis Sargent |
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Taxon Reference | (for Crataegus lawrencensis Sargent) J. Arnold Arbor. 1922. 3: 3. |
| Family | Rosaceae |
| Determination | Crataegus sp. |
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Determination Remarks | [current name] |
| Annotation Text | Crataegus ser. Crus-galli x Virides |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
