Common Pollen Types at Eagle Lake

 

 

Spores

 

Filicales

  • monolete
  • tight or loose perine
   
     

Lycopodium obscurum (clubmoss)

  • trilete
  • without perine
  • with positive sculptual elements
  • sculptural elements elongated
    parallel to surface
  • reticulate
  • muri with vertical walls
  • reticulum not extending well
    onto proximal surface
  • laesurae about 2/3 spore radius
  • lumina small (up to 7 µm)
 
     

Pteridium aquilinum (bracken fern)

  • without perine
  • psilate/scabrate
  • <45 µm
  • laesurae simple, exine <1.5 µm thick
   
     
 

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GLOSSARY