| Classification | Cyperaceae: Cyperus | 
| Barcode(s) | 00027614 | 
| Type Status | Isosyntype,  Isolectotype | 
| Collector | T. Drummond | 
| Collector number | 449 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ef4c2a43-77df-404a-a567-bab916ac7d7a | 
| Harvard University Herbaria Barcode | 00027614 | 
| Herbarium | GH | 
| Previous ownership | From Herb. J. Gay, purchased by Dr. Hooker;  Hooker misit xbr. 1835. | 
| Family | Cyperaceae | 
| Type Status |  Isosyntype | 
| Isosyntype of |  Cyperus drummondii Torrey & Hooker | 
| Taxon Reference | (for  Cyperus drummondii Torrey & Hooker) Ann. Lyceum Nat. Hist. New York 1936. 3: 437. | 
| Family | Cyperaceae | 
| Type Status |  Isolectotype | 
| Isolectotype of |  Cyperus drummondii Torrey & Hooker | 
| Verified by | M. F. Denton | 
| Date Determined | 1979 | 
| Annotation Text | Isolectotype | 
| Taxon Reference | (for  Cyperus drummondii Torrey & Hooker) Ann. Lyceum Nat. Hist. New York 1936. 3: 437. | 
| Family | Cyperaceae | 
| Determination |  Cyperus virens var. drummondii (Torrey & Hooker) Kükenthal | 
| Determined by | M. F. Denton | 
| Determination Remarks |  [current name] | 
| Family | Cyperaceae | 
| Determination |  Cyperus drummondii Torrey & Hooker | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |