| Classification | Athyriaceae: Cystopteris |
| Harvard University Herbaria Barcode(s) | 00746566 |
| Collector | R. J. Eaton |
| 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 | Concord, Estabrook Woods |
| Date Collected | 1956-05-30 [30 May 1956] |
| Habitat | Rocky edge of lime-quarry |
| Frequency | abundant |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/48f226c8-301f-4e80-9e06-aa9a7aa8c0f4 |
| Harvard University Herbaria Barcode | 00746566 |
| Herbarium | NEBC |
| Family | Athyriaceae |
| Determination | Cystopteris fragilis var. mackayii G. Lawson |
| Determination Remarks | [is label name] |
| Family | Athyriaceae |
| Determination | Cystopteris tenuis (Michaux) Desvaux |
| Determined by | Moran, Robbin Craig |
| Date Determined | 1986 |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
