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| Family | Asteraceae |
| Basionym | Eupatorium scabrellum Rob. var. mcvaughii R. M. King and Robinson ined. |
| Original Identification | Eupatorium scabrellum Rob. var. mcvaughii R. M. King and Robinson |
| Current Taxon | Eupatorium scabrellum Rob. var. mcvaughii R. M. King and Robinson ined. |
| Protologue Citation | ined. |
| Holotype/Isotype | Isotype |
| DUKE Accession Number | 232875 |
| Comments | |
| Primary Collector | Rogers McVaugh |
| Collector Number | 763 |
| Collection Date | 17-18 Nov 1959 |
| Country | Mexico |
| Province/State | Nayarit |
| Plant Location Notes | Mountains 10 miles southeast of Ahuacatlan, on the road to Barranca del Oro and Amatlan; precipitous rocky south-facing slopes; elevation 1100-1300 m. |
| Plant Description Notes | Abundant in the barranca. Arching shrub 3-4 m. high; flowers greenish white. |
| DUKE Barcode | |
| Broad geographical location | North America |

