| Harvard University Herbaria Barcode(s) | 00001520 |
| Type Status | Holotype |
| Collector | M. L. Fernald, L. Griscom & B. H. Long |
| Collector number | 6678 |
| Country | United States of America |
| State | Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia: Greensville County |
| Locality | Near James River Junction |
| Date Collected | 1936-08-19 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/82acafcd-4194-4d11-94bd-5054994561e4 |
| Harvard University Herbaria Barcode | 00001520 |
| Herbarium | GH |
| Type Status | Holotype |
| Holotype of | Pycnanthemum pycnanthemoides var. viridifolium Fernald |
| Verified by | J. Hamer |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Pycnanthemum pycnanthemoides var. viridifolium Fernald) Rhodora 1937. 39: 445. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
