| Classification | Malvaceae: Sida |
| Classification 1 | Malvaceae: Rhynchosida |
| Barcode(s) | 00274596 |
| Type Status | Syntype |
| Collector | J. Gregg |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Locality | Valley near San Pablo |
| Date Collected | 1848 |
| Elevation | 0 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fc484215-5745-473e-94c0-91087f334674 |
| Harvard University Herbaria Barcode | 00274596 |
| Herbarium | GH |
| Family | Malvaceae |
| Type Status | Syntype |
| Syntype of | Sida physocalyx A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Taxon Reference | (for Sida physocalyx A. Gray) Boston J. Nat. Hist. 1850. 6(2): 163. |
| Family | Malvaceae |
| Determination | Rhynchosida physocalyx (A. Gray) Fryxell |
| Determined by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [current name] |
| Family | Malvaceae |
| Determination | Sida physocalyx A. Gray |
| Determined by | I. D. Clement |
| Date Determined | 1948 |
| Family | Malvaceae |
| Determination | Sida hastata (Cavanilles) Willdenow |
| Determined by | B. L. Robinson |
| Annotation Text | B.L.R. Syn. Fl. N. Amer. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with Isolectotype Fragment of Sida physocalyx A.Gray, Lindheimer Fasc. IV.583, 274597] |