| Classification | Rosaceae: Crataegus |
| Complex Object | This is a complex collection object (2 items with 1 preparation) |
| Harvard University Herbaria Barcode(s) | 00872551 |
| Other Barcodes on Sheet | ; |
| Collector | H. D. Thoreau |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord |
| Locality | Island [Egg Rock at confluence of Assabet & Sudbury Rivers to form the Concord River] |
| Date Collected | 1857-08-14 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cf10dc56-b6a5-46d3-b8e1-39dfca335ce9 |
| Harvard University Herbaria Barcode | 00872551 |
| Herbarium | GH |
| Family | Rosaceae |
| Determination | Crataegus coccinea Linnaeus |
| Family | Rosaceae |
| Determination | Crataegus monogyna Jacquin |
| Determined by | Angelo, Raymond Louis |
| Date Determined | 2018-12-15 |
| Determination Remarks | [is filed under name] [is Current name] |
| Subcollection | Thoreau Herbarium |
| Phenology | Sterile |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Description | [Island Aug. 14, '57] |
