For Chrysoma
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. 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. 2006w. Chrysoma. 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. and J.B. Beck. 2023. A revised intuitive phylogeny of Solidago (Asteraceae: Astereae) based on a polygenomic phylogeny of diploids. Phytoneuron 2023-41: 1-5. Published 31 October 2023 ISSN 2153 733X Google Scholar