Frequency of citation, mean citation position and cognitive salience index of each plant associated with the “matupás in formation” by inhabitants of the Amanã Sustainable Development Reserve (Amazonas, Brazil).

The cognitive salience index (S) is calculated according to the formula: S = F/(N*Pm), in which F = frequency of citation; Pm = mean position (rank) of the term in individuals lists; and N = total number of lists (interviews). Total number of lists for the “matupás in formation” = 25 (some of the interviewed did not consider “matupá in formation” to be a true kind of matupá).aMureru is a generic term used to name several floating herbaceous species, especially those that do not extend itself above the water surface, keeping its leaves on the water surface (e.g.: Pistia stratiotes, Hydrocotyle ranunculoides, Azolla caroliniana, Azolla microphylla, Limnobium spongia, Ludwigia helminthorrhiza, Phyllanthus fluitans, Pontederia rotundifolia, Eichhornia crassipes, Salvinia minima).Frequency of citation, mean citation position and cognitive salience index of each plant associated with the “matupás in formation” by inhabitants of the Amanã Sustainable Development Reserve (Amazonas, Brazil).