| Classification | Cyperaceae: Cyperus |
| Barcode(s) | 00027633 |
| Type Status | Isotype |
| Collector | E. Hall |
| Collector number | 676 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Locality | Hempstead, Eastern Texas |
| Date Collected | 1872 |
| Habitat | Wet, sandy places. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9e1936b5-1e0b-40c8-b081-8336acfbe90e |
| Harvard University Herbaria Barcode | 00027633 |
| Herbarium | GH |
| Family | Cyperaceae |
| Type Status | Isotype |
| Isotype of | Cyperus texensis (Torrey) Steudel |
| Verified by | G. C. Tucker |
| Date Determined | 1983-12-** |
| Annotation Text | ISOTYPE! |
| Taxon Reference | (for Cyperus texensis (Torrey) Steudel) Syn. Pl. Glumac. 1854. 2(7): 9. |
| Family | Cyperaceae |
| Type Status | Isotype |
| Isotype of | Cyperus microdontus var. texensis Torrey |
| Taxon Reference | (for Cyperus microdontus var. texensis Torrey) Ann. Lyceum Nat. Hist. New York 1836. 3, Suppl.: 430. |
| Family | Cyperaceae |
| Determination | Cyperus polystachyos Rottbøll |
| Determined by | G. C. Tucker |
| Date Determined | 1983-12-** |
| Determination Remarks | [current name] |
| Family | Cyperaceae |
| Determination | Cyperus polystachyos var. texensis (Torrey) Fernald |
| Determined by | Hugh O'Neil |
| Date Determined | 1941-02-17 |
| Determination | |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Description | [Two non-type collections are also on this sheet (Engelmann s.n., in 1843 & Drummond s.n., in 1835)] |