"Cattails (Typha spp.)". University of California Agriculture & Natural Resources Statewide Integrated pest Management Program. Retrieved 2023-06-10.
usda.gov
plants.sc.egov.usda.gov
USDA, NRCS (n.d.). "Typha latifolia". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 12 December 2015.