| Classification | Rhodophyta: Grinnellieae: Grinnellia |
| Harvard University Herbaria Barcode(s) | 00934355 |
| Collector | I. M. Lamb |
| Collector number | A-154 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Barnstable County: Cape Cod |
| Locality | Woods Hole, Nobska Point |
| Date Collected | 1959-07-13 |
| Habitat | loose floating in 1 m of water on sandy bottom, mixed with tetrasporic plants |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b3379d7d-5799-4b8e-9111-0612b172f7c9 |
| Harvard University Herbaria Barcode | 00934355 |
| Herbarium | FH |
| Previous ownership | ex Suffolk University; [ex] Herb. I. Mackenzie Lamb |
| Family | Grinnellieae |
| Determination | Grinnellia americana (C. Agardh) Harvey |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Description | [includes packet with Trans. section (on paper) of blade, passing through midrib and tetrasporangia; and Whole mount of portion of blade with tetrasporangia] |