- young Leucocoprinus sp. in Isla Escondida, Putumayo
- yellow Pluteus sp. growing in Charguayaco near Pitalito, Huila
- Xylaria? anamorph growing on oak in Pauna, Boyaca
- Xylaria sp., young telemorph and possibly its anamorph growing in San Agustin
- Xylaria sp. fruiting in a nice row
- Xylaria mass fruiting Rio Claro DW Ms
- Xylaria giants sliced open to show the inner workings, which would be hollow when fully mature..
- Xylaria giants measuring 15cm / 6 in in height seen in Los Santos, Santander.
- Xylaria comosa? in Isla Escondida
- Xylaria comosa? in Isla Escondida
- Xerula / Dactylosporina sp. seen at the top of the Cascadas Fino del Mundo near Mocoa
- Xeromphelina tenuipes group growing in San Agustin Archelogical Park, Huila
- Xeromphelina tenuipes group in San Agustin Archelogical Park, Huila
- Woman Statue in San Agustín
- whitish Mycena sp. with yellow stem seen in Isla Escondida, Putumayo
- We called this Selaginella willdenowii the "Walmart" fern, since its color looked so plastic,Isla Escondida
- We called this Selaginella wildenowii spikemoss, the "Walmart fern" since it has such a plastic looking green-blue color that my camera did not do justice too. Seen in Isla Escondida
- very fragile Leucocoprinus. Not sure if actually L. fragilissima? Los Santos
- Tylopilus sp. near Villa de Leyva
- Tylopilus obscurus, a mild tasting bolete growing with Trigobalanus excelsa in Charguayaco