| Classification | Caryophyllaceae: Spergularia |
| Harvard University Herbaria Barcode(s) | 01754647 |
| Type Status | Holotype |
| Collector | G. B. Rossbach & R. P. Rossbach |
| Collector number | 611 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Alameda County |
| Locality | 1.5 mi. west of Altamont in the San Joaquin drainage in the Hamilton Range |
| Date Collected | 1938-06-05 |
| Habitat | alkaline marsh along roadside |
| Container | Plants of California |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3f83b288-c3a1-41a5-b59b-e4b1635863cc |
| Harvard University Herbaria Barcode | 01754647 |
| Herbarium | GH |
| Previous ownership | [Ex] Dudley Herbarium of Stanford University |
| Family | Caryophyllaceae |
| Type Status | Holotype |
| Holotype of | Spergularia macrotheca var. longistyla R. Rossbach |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Spergularia macrotheca var. longistyla R. Rossbach) Rhodora 1940. 42(495): 78. |
| Family | Caryophyllaceae |
| Determination | Spergularia macrotheca var. longistyla R. Rossbach |
| Determination Remarks | [label name] [current name] |
| Annotation Text | TYPE |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
