[3] Some sections of the Guaporé and its tributaries hold large floating colonies of Eichhornia (water hyacinth) species, which sometimes clog the rivers and prevent boat traffic.

[4] There is great diversity of flora in the reserve, which is in the transition area between the Cerrado and Amazon biomes, and also has species characteristic of the Pantanal.

The well-spaced tree forming the upper layer do not exceed 30 metres (98 ft) in height and let light through to the dense understory, which includes many representatives of the Rubiaceae, Melastomataceae and Piperaceae families.

[3] There are scattered areas of dense canopy Atlantic alluvial rain forest with emergent evergreens reaching 46 metres (151 ft) in height.

Common species in these areas include Manilkara amazonica, Apuleia molaris, Brosimum ovatifolium, Aspidosperma album and Vochysia guianensis.