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Asteraceae - Daisy Family

Artemisia tridentata

  • Spheroidal

  • Tricolporate

  • Furrow broad and expanded

  • Pore distinct or obscure

  • Exine distinctly stratified

  • ~ 20 microns

Artemisia campestris

  • Spheroidal

  • Furrow broad and expanded

  • Pore distinct 

  • Stratified

  • ~25-27 microns

  • Provides nesting material and structure for native bees

Artemisia frigida

  • Spheroidal

  • Colpate     

Artemisia ludoviciana

  • Spheroidal

  • Tricolporate

  • Equatorial and polar view

  • Spheroidal

  • Subprolate

  • Furrow smooth to slightly verrucate

  • Exine thiner at poles

  • subtectate baculae

  • columellae fused forming a surface membrane

  • ~30 microns

Centaurea maculosa

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