- Spiny pins of young Mycena mushrooms with a caterpillar cruising through it. Seen in Los Santos
- Sloth close up climbing at the Sloth Wellness Center
- Slime mold shortly before breaking open to spill its spores. Los Santos Coffee farm. gray LosSantos DW Ms
- Slime mold encountered at Los Santos Coffee farm, Santander
- Slime mold apotheicia seen in the Paramo of Chauna
- Sese Shamu aka Cantharellus cibarius growing near PeluLa
- Scleroderma camassuense, an ecto-mycorrhizal member of the Boletales
- Scleroderma camassuense with scale. What a cool ectomycorrhizal fungus!
- Sanchezia macrocnemis in Rio Claro
- Same Cantharellus found in Pauna
- Sacred dance at the Genekha mushroom festival
- Root tips that tricked me first into being excited to have found a Cordyceps
- Roadside hawk (Rupornis magnirostris) watching over the Rio Claro flowing by
- rhizomorph of a fungus seen in Rio Claro
- Red-purple tubes of Bolerus karmesinus, now probably Butyriboletus or Exsidoporus karmesinusbolete growing in a spruce forest
- red Mycena in Tingtibi seems a common mushroom in oak forests.
- red Cruentomycena sp. growing on leaf in Tingtibi
- Red billed Cough Pyrrhocorax pyrrhocorax Orgyen Choeling DW Ms
- Rayan Romano Kiran Daniel showing off the Chanties in Tepu
- Rayan enjoys the odor of Cantharellus guyanensis