For Doellingeria
Allen, G.A., L. Brouillet, J.C. Semple, H.J. Guest, and R. Underhill. 2019. Diversification of the North American Doellingeria-Eucephalus Clade (Astereae: Asteraceae) as inferred from molecular and morphological evidence. Syst. Bot. 44(4): 930-942. Google Scholar
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Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C. Google Scholar
Nesom, G.L. 1993d. Taxonomy of Doellingeria (Asteraceae: Astereae). Phytologia 75: 452-462. Google Scholar
Nesom, G.L. 2000b. Generic conspectus of the tribe Astereae (Asteraceae) in North America and Central America, the Antilles, and Hawaii. Sida Botanical Miscellany 20: 1-100. Google Scholar
Nesom, G.L. 2020a. Cardiagyris (Asteraceae: Astereae), a new genus for the Doellingeria-like species of Asia. Phytoneuron 2020-61: 1-26. Published 3 August 2020. ISSN 2153 733X Google Scholar
Nesom, G.L. 2022d. Doellingeria and Eucephalus (Asteraceae: Astereae) as distinct genera. Phytoneuron 2022-38: 1-3. Published 17 October 2022. ISSN 2153 733X Google Scholar
Noyes, R.D., and L.H. Rieseberg. 1999. ITS sequence data support a single origin for North American Astereae (Asteraceae) and reflect deep geographic divisions in Aster s.l. Amer. J. Bot. 86: 398-412. Google Scholar
Semple, J.C. 2023b. Fruit and pappus traits of Doellingeria including Eucephalus (Asteraceae: Astereae). Phytoneuron 2023-24: 1-5. Published 24 July 2023. ISSN 2153 733X Google Scholar
Semple, J.C., and J.G. Chmielewski. 2006. Doellingeria. In Flora of North America Editorial Committee. 2006b. Flora of North America north of Mexico. Volume 20, Magnoliophyta: Asteridae, part 6: Asteraceae, part 2. Oxford Univ. Press, New York, NY. 666 pp. Google Scholar
Semple, J.C., J.G. Chmielewski, and C. Leeder. 1991. A multivariate morphometric study and revision of Aster subg. Doellingeria sect. Triplopappus (Compositae: Astereae): the Aster umbellatus complex. Can. J. Bot. 69: 256-276. Google Scholar
Sorrie, B.A. 2022. Doellingeria sericocarpoides (Asteraceae) revisited. Pp. 378-382. In Weakley, A.S., D.B. Poindexter, B.A. Sorrie, E.A. Ungberg, S.G. Ward, J.W. Horn, W.M. Knapp, and S.P. Grund. 2022. Studies in the vascular flora of the southeastern United States. VIII. J. Bot. Res. Inst. Texas 16(2): 377-418. Google Scholar
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