- Calvatia cyathiformis, the purple-spored puffball is a big and widely distributed puffball
- Calvatia cyathiformis, the purple-spored puffball seen in Chivor forest near Santa Maria
- Cantharellus guyanensis fried Tepu DW Ms
- Ceratiomyxa morchella slime mold seen close up
- Ceratiomyxa sphaerosperma
- Chlorophyllum molybdites ? with 10cm scale. Note the bright reddish stain near the stem base. Found near Macanal
- Chlorophyllum molybdites annulus and gills - note the greenish hue in the gills from the green spores, near Macanal
- Clavariopsis fusiformis
- Clavulinopsis fusiformis growing near Yopal, Casanare, Colombia
- Close up of Cotylidia alba seen near Morro, Yopal
- close up of the gills of Deconica sp. seen in Chivor forest
- Coenogonium leprieurie #184
- Cookeina speciosa? Check out these cool veins
- Cookeina sulcipes backside Tepu
- Cookeina sulcipes Tepu
- Cookeina sulcipes? The taxonomy of Cookeina is not clear yet.
- Cookeina tricholoma seen in Tepu
- Coprinellus disseminatus log
- Cotylidia alba, a leathery wood decayer seen in Yopal
- Dart poison frog