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Taxonomy
Rudbeckia
Literature
Authors | Title | Year of Publication |
---|---|---|
R.E. Perdue | Two New Varieties and a New Combination in Rudbeckia | 1962 |
R.E. Perdue | Synopsis of Rudbeckia Subgenus Rudbeckia | 1957 |
; C.L. Hitchcock; et al | Vascular Plants of the Pacific Northwest | 1955 |
A. Cronquist | Notes on the Compositae of the Northeastern United States. II. Heliantheae and Heliniae. | 1945 |
M.Frotscher Koch | Studies in the Anatomy and Morphology of the Composite Flower II. The Corollas of the Heliantheae and Mutisieae | 1930 |
N.Lord Britton; A. Brown | An Illustrated Flora of the Northern United States, Canada And The British Possessions | 1913 |
O.A. Farwell | Contributions to the Botany of Michigan, No. 8 | 1904 |
P. Hoffmann | Compositae | 1894 |
A. Gray | Synoptical Flora of North America | 1884 |
W. Aiton | Hortus Kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew. | 1789 |
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