We present a list of the vascular plants found in the Inirida fluvial confluence which is part of the Guiana Shield, comprised of flooded and non-flooded heterogeneous forests and white sands with shrubby and herbaceous vegetation known as sabanetas or caatingas. The studied area is considered a high diversity region, classified as an exclusive area in Colombia due to its rare edaphic conditions which support high levels of endemisms. There are 833 species, 402 genera, and 123 families of registered vascular plants. The most represented families are Rubiaceae with 66 species, Melastomataceae with 52, Fabaceae with 36, Euphorbiaceae with 32, Cyperaceae with 31, and Apocynaceae with 24.