Matzenauer, W., V. R. S. Lima, Y. Couceiro, and M. Alves. “I’m Still Here: Almost 160 Years Later Cyperus cearaensis Is Rediscovered, an Endemic Species from the Caatinga, Brazil”. Phytotaxa, vol. 773, no. 2, Sept. 2026, pp. 171-80, doi:10.11646/phytotaxa.773.2.6.