University of Texas Herbarium
Catalog #: TEX00466160
Taxon: Senecio riddellii Torr. & Gray
Family: Asteraceae
Determiner: B. L. Turner (TEX), 2014
Collector: W.R. Carr & Hillary Loring   30178   
Date: 28 March 2012
Locality: United States, TEXAS, Presidio, Ca. 1.7 airmiles N to NNW of Presidio County Courthouse in Marfa. SE portion of Mimms Ranch (Dixon Foundation). Marfa Quadrangle. Elev. 4780 ft.
30.337833  -104.031361
Verbatim Coordinates: 30d 20m 16.2s N; 104d 1m 52.9s
Habitat and Description: In desert grassland on very gently rolling landscape underlain by a mix of Perdiz Conglomerate (a fanglomerate of variable composition) and Quaternary alluvium. Associates included Bouteloua spp., Ephedra trifurca. Few other species in bloom due to extreme drought conditions. Rare.
Specimen Images
Record Id: bb7d1b3f-16f7-453e-a4de-fe705d181ba4
For additional information on this specimen, please contact: George Yatskievych (
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