Tetraneuris Acaulis
''Tetraneuris acaulis'' is a North American species of flowering plants in the sunflower family.Tetraneuris acaulis'. ITIS.Tetraneuris acaulis Lady Bird Johnson Wildflower Center'', University of Texas.Hymenoxys acaulis'. '' The Jepson Manual, University of Calilfornia''Hymenoxys acaulis''. United States Geologic Survey, Native Wildflowers of the North Dakota Grasslands.
Southwest Colorado Wildflowers.
Tetraneuris acaulis
'. CalFlora taxon report, University of California

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Frederick Traugott Pursh
Frederick Traugott Pursh (or Friedrich Traugott Pursch) (February 4, 1774 – July 11, 1820) was a German– American botanist. Born in Großenhain, Saxony, under the name Friedrich Traugott Pursh, he was educated at Dresden Botanical Gardens, and emigrated to the United States in 1799. From 1802 to 1805, he worked in Philadelphia as the botanical manager of the extensive gardens of William Hamilton, Esq., " The Woodlands." By 1805, he was working for Benjamin Smith Barton on a new flora of North America, under whom he studied the plants collected on the Lewis and Clark Expedition. His work with Barton allowed him to travel farther afield. In 1805, he traveled south from Maryland to the Carolinas and, in 1806, he traveled north from the mountains of Pennsylvania to New Hampshire. He made both trips principally on foot, with only his dog and a gun, covering over three thousand miles each season. Barton's proposed flora was never written, but Pursh, who then moved to London, ...
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