| Classification | Caryophyllaceae: Arenaria | 
| Harvard University Herbaria Barcode(s) | 00037604 | 
| Type Status | Isotype | 
| Collector | J. A. Steyermark | 
| Collector number | 26652 | 
| Country | United States of America | 
| State | Missouri | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Butler County | 
| Locality | Along Gillis bluff, sec. 8 and 17, 5 miles southwest of Guilin | 
| Date Collected | 1939-05-27 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d21cc200-d2bb-47dc-a78e-099fcf58bccc | 
| Harvard University Herbaria Barcode | 00037604 | 
| Herbarium | GH | 
| Family | Caryophyllaceae | 
| Type Status | Isotype | 
| Isotype of | Arenaria patula f. robusta Steyermark | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Arenaria patula f. robusta Steyermark) Rhodora 1941. 43: 330. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |