- Trametes pores with scale, Charguayaco near Pitallitoscale
- We called this Selaginella willdenowii the "Walmart" fern, since its color looked so plastic,Isla Escondida
- whitish Mycena sp. with yellow stem seen in Isla Escondida, Putumayo
- Xeromphelina tenuipes group in San Agustin Archelogical Park, Huila
- Xeromphelina tenuipes group growing in San Agustin Archelogical Park, Huila
- Xerula / Dactylosporina sp. seen at the top of the Cascadas Fino del Mundo near Mocoa
- Xylaria comosa? in Isla Escondida
- Xylaria comosa? in Isla Escondida