| Classification | Asteraceae: Pectis | 
| Barcode(s) | 00010971 | 
| Type Status | Isotype | 
| Collector | D. J. Keil & J. M. Canne | 
| Collector number | 8644 | 
| Country | Mexico | 
| State | Sonora | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Guaymas | 
| Locality | 3.5 miles SE of jctn. Sonora Rte. 19, 1.9 miles NW of Vicam on Mexico Fed. Rte. 15, SE of Guaymas | 
| Date Collected | 1971-09-07 | 
| Habitat | On both sides of highway; in flood flats between road and canal bank and in shallow drainage channel between road and railroad embankment | 
| Substrate | Alluvial soil | 
| Remarks | Abundant; Prosopis dominant; Chromosome number from this population n = 12 [fide D. J. Keil (OS)] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c05d20eb-1a15-48f5-a11f-c4722c97732e | 
| Harvard University Herbaria Barcode | 00010971 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Type Status |  Isotype | 
| Isotype of |  Pectis purpurea var. sonorae D. J. Keil | 
| Verified by | I. Ferreras (AMES) | 
| Date Determined | 2008-05-01 | 
| Determination Remarks | "Holotype: US" noted on label | 
| Taxon Reference | (for  Pectis purpurea var. sonorae D. J. Keil) Brittonia 1974. 26: 35. | 
| Family | Asteraceae | 
| Determination |  Pectis purpurea var. sonorae D. J. Keil | 
| Determined by | D. J. Keil (OS) | 
| Date Determined | 1973 | 
| Determination Remarks |  [current name] | 
| Annotation Text | Isotype; var. nov. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |