Astranthium Robustum
''Astranthium robustum'', the Texas western-daisy, is a North American species of flowering plants in the family Asteraceae. It is found only in the western (trans-Pecos) part of the US State of Texas. ''Astranthium robustum'' is an annual with a taproot, and usually with several stems up to 50 cm (20 inches) tall. Flower heads have white or bluish ray florets and yellow disc florets. References

Astereae Flora of Texas Plants described in 1950 {{Astereae-stub ...
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Lloyd Herbert Shinners
Lloyd Herbert Shinners (September 22, 1918 – February 16, 1971) was a Canadian- American botanist and professor, known as an expert on the flora of Texas and Wisconsin. Early life Shinners was born in Bluesky, Alberta on September 22, 1918. His family moved to Milwaukee, Wisconsin when he was five, and he went on to graduate valedictorian from Lincoln High School. He continued his education at the University of Wisconsin–Madison, where he earned a Ph.D. under Norman Carter Fassett in 1943. He worked for the town of Milwaukee before moving to Dallas, Texas in 1945. Career Shinners worked for the Southern Methodist University as a research assistant, before being placed in charge of the university's herbarium. In 1960, he attained a full professorship. Through his guidance, the herbarium grew from 20,000 specimens to over 340,000. He was specifically interested in the Compositae. Publications Shinners authored 274 articles, and published a comprehensive 514 page Flora of no ...
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