| Classification | Asteraceae: Hymenoclea |
| Classification 1 | Asteraceae: Ambrosia |
| Harvard University Herbaria Barcode(s) | 00283106 |
| Type Status | Isosyntype |
| Collector | A. Nelson & R. A. Nelson |
| Collector number | 1341 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona: Yuma County |
| Locality | Mohawk Mtns. [Mountains] |
| Date Collected | 1935-03-29 |
| Habitat | Roadsides in the desert |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1bebabac-a066-4450-9a28-309c2c1e5adb |
| Harvard University Herbaria Barcode | 00283106 |
| Herbarium | GH |
| Previous ownership | ex (RM) |
| Family | Asteraceae |
| Type Status | Isosyntype |
| Isosyntype of | Hymenoclea hemidioica A. Nelson |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Taxon Reference | (for Hymenoclea hemidioica A. Nelson) Amer. J. Bot. 1938. 25: 117. |
| Family | Asteraceae |
| Determination | Ambrosia salsola var. pentalepis (Rydberg) Stother & B. G. Baldwin |
| Determined by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Hymenoclea hemidioica A. Nelson |
| Determination Remarks | [label name] |
| Sex | male |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with Isosyntype of Hymenoclea hemidioica A. Nelson, A. Nelson & R. A. Nelson 1341, 283107] |
