For Acorus
Grayum, M.H. 1987. A summary of evidence and arguments supporting the removal of Acorus from the Araceae. Taxon 36: 723-729.
Haines, A.A. 2000. Taxonomy and distribution of Acorus in Maine. Botanical Notes 2: 4-6.
Simmons, R.H., W.C. Taylor, M.E. Farrah, J.S. Graham, and J.P. Fulton. 2020. Noteworthy collections: Maryland and Virginia. Castanea 85(2): 277-284.
Spaulding, D.D., T.W. Barger, H.E. Horne, and B.J. Finzel. 2019. Flora of Northern Alabama, part 4. Basal Monocots. Phytoneuron 2019-47: 1–132. Published 29 October 2019. ISSN 2153 733X
Thompson, S.A. 2000a. Acoraceae. In Flora of North America Editorial Committee. 2000. Flora of North America north of Mexico. Volume 22, Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford Univ. Press, New York, NY. 352 pp.