| Classification | Dryopteridaceae: Dryopteris |
| Classification 1 | Aspidiaceae: Aspidium |
| Harvard University Herbaria Barcode(s) | 01105577 |
| 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 | on Mill swamp |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b2dc7766-a366-4e57-a23f-0168eed3e15e |
| Harvard University Herbaria Barcode | 01105577 |
| Herbarium | GH |
| Family | Dryopteridaceae |
| Determination | Dryopteris carthusiana (Villars) H. P. Fuchs |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | fide R. L. Angelo, Vascular Flora of Concord, Massachusetts
(http://www.ray-a.com/ConcordMassFlora.pdf) Accessed 25 Jan. 2018
|
| Family | Aspidiaceae |
| Determination | Aspidium spinulosum (O. F. Müller) Swartz |
| Determination Remarks | [label name] |
| Subcollection | Thoreau Herbarium |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
