| Classification | Malvaceae: Sidalcea |
| Harvard University Herbaria Barcode(s) | 00058090 |
| Type Status | Holotype |
| Collector | L. F. Henderson |
| Collector number | 1413 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon: Clatsop County: Clatsop Beach |
| Locality | Near Clatsop Bay |
| Date Collected | 1887-07-03 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/08743248-715f-4a1e-9233-d953ba7c771d |
| Harvard University Herbaria Barcode | 00058090 |
| Herbarium | GH |
| Family | Malvaceae |
| Type Status | Holotype |
| Holotype of | Sidalcea hendersonii S. Watson |
| Verified by | Henry A. Kesner |
| Date Determined | 2005-10-** |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Sidalcea hendersonii S. Watson) Proc. Amer. Acad. Arts 1888. 23: 262. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
