| Classification | Asteraceae: Helenium | 
| Barcode(s) | 00256915 | 
| Type Status | Lectotype | 
| Collector | Josiah Gregg | 
| Country | Mexico | 
| State | Nuevo León | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León | 
| Locality | Ditch near Terneria Fort-Monterey | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7195ccd2-59c6-46fd-a2e7-c3df2e2e7d24 | 
| Harvard University Herbaria Barcode | 00256915 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status |  Lectotype | 
| Lectotype of |  Helenium amphibolum A. Gray | 
| Verified by | K. Gandhi (GH) & I. Ferreras (AMES) | 
| Date Determined | 2007-11-27 | 
| Taxon Reference | (for  Helenium amphibolum A. Gray) Proc. Amer. Acad. Arts 1874. 9: 202. | 
| Family | Asteraceae | 
| Determination |  Helenium quadridentatum Labillardiere | 
| Determined by | H.F.L. Rock | 
| Date Determined | 1956 | 
| Determination Remarks |  [current name] | 
| Annotation Text | Examined in revisional study of the decurrent-leaved species of Helenium L. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed | 
| Item Remarks | Mounted with a syntype collection of Gregg 261 (barcode 8765) |