- Zingiber spectabile, Bee hive Ginger
- Yellow black bird Rio Claro
- Yellow black bird Rio Claro
- Yas giant tree Amargal DW Ms
- Yak cows being molken. Yak milk has 5 to 7% fat, very rich!
- Xylocoremium Chicaque DW MS
- Xylobotryum portentosum
- Xylaroid fungus disp Chicaque DW Ms
- XylariaCJLS
- Xylariaceae crust Ms
- Xylariaceae conk Rio Claro DW Ms-1533299795
- Xylariaceae conk disp Rio Claro DW Ms-1034434437
- Xylariaceae
- Xylariaceae
- Xylaria young with Dew DW Ms
- Xylaria wide antlers Chicaque DW Ms
- Xylaria tentaculata
- Xylaria sp
- Xylaria RioClaro DW Ms
- Xylaria poitei Tayrona DW Ms