Hammesfahr, A., Witham, P., Campbell, C. and Snow, N. 2020. Another confrmation of Cyperus flavescens (Cyperaceae) for Kansas, U.S.A. Journal of the Botanical Research Institute of Texas. 14, 2 (Dec. 2020), 411–412. DOI:https://doi.org/10.17348/jbrit.v14.i2.1019.