- Stingless Honey Bee gate
- Stingless Honey Bee sucking resin
- Stiptophyllum erubescens Madidi
- Stiptophyllum erubescens Madidi
- Striated Heron Butorides striatus DW MS
- Strobilurus sp. with yellow cap
- Stroma of Ophiocordyceps melolonthae group in situ lichen
- Stromata of Cordyceps caloceroides above its Tarantula victim, seen near Pitalito, Huila
- Stromata of Ophiocordyceps caloceroides group stromata in situ
- Stupas and prayer flags near a monastery
- Suillus cavipes growing in Yading
- Suillus cavipes, a larch symbiont apparently distributed all over the Northern Hemisphere wherever larch trees (Larix sp.) occur.
- Suillus La Paz Market 2012 S
- Suillus luteus growing with introduced pine in Pauna
- Suillus Medellin 2015
- Suillus spraguei Disp Sonams DW Ms
- Suillus spraguei seen in Phajoding.
- Suillus subluteus salmonicolor Disp Jardin DW Ms-760640561
- Sulzbacheromyces Basidio lichen LosPozos DW Ms ✽
- Sunset over Sir Walter Raleigh Falls