1. A gyromitra with a brown puffed up fertile part and a rosy pink fluted stalk and smooth round spores; found on hardwood slash east of the Great Plains
   - round-spored gyromitra

Type of: gyromitra

Part of: genus Gyromitra

• Silphium laciniatum
• silt
• silt up
• siltstone
• silty
• Silurian
• Silurian period
• silurid
• silurid fish
• Siluridae
• siluriform fish
• Siluriformes
• Silurus
• Silurus glanis
• silva
• silvan
• Silvanus
• silver
• silver age
• silver ash
• silver beech
• silver bell
• silver birch
• silver bromide
• silver bullet