| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00018211 |
| Type Status | Syntype |
| Collector | A. Twining |
| Collector number | 21 |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Lackawanna County: Throop |
| Date Collected | 1907-05-24 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8071dcd9-8b52-4357-93ff-45e91fb7afe4 |
| Harvard University Herbaria Barcode | 00018211 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus angustisepala Sargent |
| Verified by | D. E. Boufford |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Crataegus angustisepala Sargent) Proc. Acad. Nat. Sci. Philadelphia 1910. 62: 209. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
