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| Family | Asteraceae |
| Basionym | Zaluzania augusta (Lag.) Sch. Bip.var. rzedowskii McVaugh |
| Original Identification | Zaluzania augusta var. rzedowskii McVaugh |
| Current Taxon | Zaluzania augusta (Lag.) Sch. Bip. var. rzedowskii McVaugh |
| Protologue Citation | Contributions from the University of Michigan Herbarium 9(4): 464. 1972. |
| Holotype/Isotype | Isotype |
| DUKE Accession Number | 238216 |
| Comments | |
| Primary Collector | Rogers McVaugh |
| Collector Number | 17673 |
| Collection Date | 4-5 Sep 1958 |
| Country | Mexico |
| Province/State | Zacatecas |
| Plant Location Notes | Road to Huejuquilla el Alto, Jal., 1 mile west of the road-junction 18 miles south of Valparaiso on the road to Mezquitic, Jal.; stream-valley and nearby rocky oak-covered moutainsides, elevation 2000-2100 m.; Lat. approx. 22°38' N., Long. 103°48' W. |
| Plant Description Notes | One plant near summit of pass at 2100 m. Shrub 2 m. high; foliage bluish; flowers bright yellow. |
| DUKE Barcode | |
| Broad geographical location | North America |
