TEX
University of Texas Herbarium
Catalog #: TEX00465763
Taxon: Helianthus annuus L.
Family: Asteraceae
Determiner: B. L. Turner (TEX), 2014
Collector: W.R. Carr   31897   
Date: 2012-09-21
Locality: United States, TEXAS, Presidio, Ca. 5.5 airmiles N of jct. US Rt. 90 and St. Rt. 17 in downtown Marfa. Northern part of Mimms Ranch (Dixon Water Foundation). Marfa Quadrangle. Elev. 4850 ft.
30.388933  -104.027
Verbatim Coordinates: 30d 23.336m N; 104d 1.62m
Habitat: In fairly dense herbaceous vegetation on gravelly alluvial flat a few feet above channel of wet-weather creek draining very gently rolling landscape underlain by a mix of Perdiz Conglomerate (a fanglomerate of variable composition) and Quaternary alluvium. Associates included Amaranthus palmeri, Chamaesyce sp., Croton sp., Digitaria californica, Enneapogon desvauxii, Eriogonum wrightii, Polanisia uniglandulosa, Solanum citrullifolium, Zinnia grandiflora. Rare. Sheet 2 of 2.
Phenology: flowering=early
Specimen Images
Record Id: 18d83ad2-4ef7-416a-9a47-27abed99c134
For additional information on this specimen, please contact: George Yatskievych (george.yatskievych@austin.utexas.edu)
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