| Classification | Cyperaceae: Scirpus |
| Classification 1 | Cyperaceae: Schoenoplectus |
| Classification 2 | Cyperaceae: Isolepis |
| Harvard University Herbaria Barcode(s) | 00028019 |
| Type Status | Syntype, Holotype |
| Collector | E. Hall |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois: Mason County |
| Locality | [from field label] Shallow pond Mason Co. Ill; [from A. Gray writing on sheet] wet banks of pond Mason Co. Illinois; [from blue E. Hall label on sheet] Shallow pond Athens, Illinois, Menard Co. Ill. |
| Date Collected | 1861 |
| Habitat | [from field label] with Scirpus debilis |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3ad33bc3-3b44-4420-99c3-f8826a8d196a |
| Harvard University Herbaria Barcode | 00028019 |
| Herbarium | GH |
| Family | Cyperaceae |
| Type Status | Syntype |
| Syntype of | Scirpus hallii A. Gray |
| Verified by | McCauley, Kathleen M. |
| Date Determined | 2025-03-** |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | [See S. G. Smith, Novon 5: 101 (1995)] |
| Taxon Reference | (for Scirpus hallii A. Gray) Manual [A. Gray], ed. 3 1862. addend.: xcvii. |
| Family | Cyperaceae |
| Type Status | Holotype |
| Holotype of | Scirpus hallii A. Gray |
| Annotation Text | Man. ed. 3, addend.: xcvii (1862) |
| Taxon Reference | (for Scirpus hallii A. Gray) Manual [A. Gray], ed. 3 1862. addend.: xcvii. |
| Family | Cyperaceae |
| Type Status | Holotype |
| Holotype of | Scirpus hallii A. Gray |
| Verified by | Schuyler, Alfred Ernest |
| Date Determined | 1969-06-** |
| Taxon Reference | (for Scirpus hallii A. Gray) Manual [A. Gray], ed. 3 1862. addend.: xcvii. |
| Family | Cyperaceae |
| Determination | Schoenoplectus hallii (A. Gray) S. G. Smith |
| Determined by | Hayasaka, Eisuke |
| Date Determined | 2001-10-** |
| Family | Cyperaceae |
| Determination | Schoenoplectus hallii (A. Gray) S. G. Smith |
| Determined by | Smith, S. Galen |
| Date Determined | 1996 |
| Annotation Text | (WIS) |
| Family | Cyperaceae |
| Determination | Scirpus uninodis var. hallii (A. Gray) Beetle |
| Determined by | Beetle, Alan Ackerman |
| Date Determined | 1941 |
| Annotation Text | Herbarium of the University of California |
| Family | Cyperaceae |
| Determination | Isolepis R. Brown |
| Determination Remarks | [label name] |
| Family | Cyperaceae |
| Determination | Scirpus hallii A. Gray |
| Annotation Text | Gray's Man. Ed. 7 |
| Family | Cyperaceae |
| Determination | Scirpus supinus var. hallii (A. Gray) A. Gray |
| Determined by | Gray, Asa |
| Determination | |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
