-Amer. 2: 20. 1834 Synonyms: Townsendia florifer var. watsonii (A. Gray) Cronquist Treatment appears in FNA Volume 20. Treatment on page 198. Mentioned on
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referable to H. gracilis, as A. Cronquist (1980) thought, or to H. helianthoides var. scabra, where it was placed by T. R. Fisher (1957) and others. If the latter
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Herrickia and a new genus, Triniteurybia. Sida 21: 889–900. Cronquist, A. and D. D. Keck. 1957. A reconstitution of the genus Machaeranthera. Brittonia 9:
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H. L. Mason 1957; T. C. Brayshaw 1985) but not by others (e.g., C. L. Hitchcock 1969et al. 1955–1969, vol. 1; J. L. Reveal 1977A. Cronquist et al. 1972+
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Printing Office, Washington, D.C., U.S.A. 1051 pp. Hitchcock, C.L., A. Cronquist, and M. Ownbey. 1969. Vascular Plants of the Pacific Northwest, Vol. 1:
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Ecology of New England. New York. Cronquist, A. 1968. The Evolution and Classification of Flowering Plants. Boston. Cronquist, A. 1977. The Compositae revisited
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call a species. Among some taxonomists, this opinion still persists (A.Cronquist 1978). To resolve the dilemma and establish better connections between
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