Sections have been delimited within Baccharis (e.g., D. A. Giuliano 2001; Giuliano and G. L. Nesom 2003; Nesom 1990h, 1998). Species of Baccharis often occur
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6: 121–302. Nesom, G. L. 1989c. Infrageneric taxonomy of New World Erigeron (Compositae: Astereae). Phytologia 67: 67–93. Nesom, G. L. 1989d. The separation
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Jeffrey. Infrageneric classification has been modified by L. W. D. van Raamsdonk et al. (1989) and J. H. Kirkbride (1993), and based on insights from molecular
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(Torrey & A. Gray) G. L. Nesom Phytologia 77: 271. 1975. Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg† Basionym:
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nomenclature of the Cucurbita pepo complex. Acta Hort. 413: 65–91. Decker, D. S. and H. D. Wilson. 1987. Allozyme variation in the Cucurbita pepo complex: C.
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Jones and D. A. Young (1983). They identified a group similar to the current Symphyotrichum, but did not segregate it from Aster. G. L. Nesom (1994b, 1997)
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(Asteraceae). [Abstract.] Amer. J. Bot. 85(6, suppl.): 170. Brown, G. K. and W. D. Clark. 1989. Flavonoids of Haplopappus section Oönopsis. [Abstract.] Amer. J. Bot
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Antillean genus of ca. 20 (W. S. Judd and J. D. Skean 1991; Hno. Alain 1982+, vol. 9) or 25 species (R. A. Howard 1974–1989, vol. 5). The genus has been defined
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x = 30, with reports of n = 30 and 2n = 60, 120, and 180 documented by S. D. McKelvey and K. Sax (1933), H. Matsuura and T. Sutô (1935), E. B. Granick
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Torrey & A. Gray) G. L. Nesom Phytologia 77: 275. 1995. Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg† Common names:
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furbishiae (Fernald) G. L. Nesom Symphyotrichum cordifolium var. lanceolatum (Porter) G. L. Nesom Symphyotrichum cordifolium var. moratum (Shinners) G. L. Nesom Symphyotrichum
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dumosum (Linnaeus) G. L. Nesom Phytologia 77: 280. 1995. Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg† Common names:
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praealtum (Poiret) G. L. Nesom Phytologia 77: 289. 1995. Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg† Common names:
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at a few disjunct locations, possibly as waifs (K. N. Gandhi and R. D. Thomas 1989). It occurs in the southern portion of post oak savanna of eastern Texas;
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racemosum (Elliott) G. L. Nesom Phytologia 77: 290. 1995. Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg† Common names:
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undulatum (Linnaeus) G. L. Nesom Phytologia 77: 293. 1995. Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg† Common names:
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oolentangiense (Riddell) G. L. Nesom Phytologia 77: 288. 1995. Luc Brouillet, John C. Semple, Geraldine A. Allen, Kenton L. Chambers, Scott D. Sundberg† Common names:
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populational segregants of a single species (see further comments in G. L. Nesom 1989d). None. None. window.propertiesFromHigherTaxa=[{"rank":"genus","name":"Erigeron"
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richardsonii (Sprengel) Á. Löve & D. Löve Aster sibiricus var. giganteus (Hooker) A. Gray Eurybia sibirica var. gigantea (Hooker) G. L. Nesom Treatment appears in FNA
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and S. puniceum (A. G. Jones 1989). Some of those hybrids need confirmation. Symphyotrichum ×salignum (Willdenow) G. L. Nesom is of garden origin and is
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