Some of the endangered plant species in the forest include the sebucan cactus (Leptocereus quadricostatus), the palo de rosa (Ottoschulzia rhodoxylon), the violeta tree (Polygala cowellii), and the critically endangered bariaco (Trichilia triacantha). One of the most famous plant inhabitants of the forest is an old-growth guaiacwood tree or guayacán (Guaiacum officinale) often called the Guayacán Centenario ("the centenary guaiacwood") which could be as old as 1,000 years-old.
Some endangered plant species in the forest include the sebucan cactus (Leptocereus quadricostatus), the palo de rosa (Ottoschulzia rhodoxylon), the violeta tree (Polygala cowellii), and the critically endangered bariaco (Trichilia triacantha). One of the most famous plant inhabitants is an old-growth guaiacwood tree or guayacán (Guaiacum officinale) known as the Guayacán Centenario ("the centenary guaiacwood"), which might be over 1,000 years old.