Taxonomy
Compositae
Literature
Authors | Title | Year of Publication |
---|---|---|
N.Lord Britton; A. Brown | An Illustrated Flora of the Northern United States, Canada And The British Possessions | 1913 |
M.Frotscher Koch | Studies in the Anatomy and Morphology of the Composite Flower II. The Corollas of the Heliantheae and Mutisieae | 1930 |
M.Lyndon Fernald; B.G. Schubert | Studies of American Types in British Herbaria | 1948 |
G.B. Ownbey | Natural Hybridization in the Genus Cirsium-I. C. discolor (Muhl Ex. Willd) Spreng X C. muticum Michx | 1951 |
; C.L. Hitchcock; et al | Vascular Plants of the Pacific Northwest | 1955 |
R.E. Perdue | Synopsis of Rudbeckia Subgenus Rudbeckia | 1957 |
R.E. Perdue | Two New Varieties and a New Combination in Rudbeckia | 1962 |
R.J. Tyrl | Cytogeography of Achillea Millefolium in Western Oregon | 1969 |
S.B. Jones | Chromosome Numbers in Compositae | 1970 |
R.M. King; D.W. Kyhos; M. Powell; P.H. Raven; H. Robinson | Chromosome Numbers in Compositae. XIII. Eupatorieae | 1976 |
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