• These data are pollen counts from anthers before and after single bee visits in populations of Chamerion angustifolium from Montana. Pollen was quantified with a Beckman-Coulter Multisizer 3 particle counter.

Format:

  • Population: The population sampled, either tetraploid or diploid.
  • Sample: An identification code representing the plant and flower sampled.
  • StigmaPresence: Some flowers had their stigma and style removed with forceps. Others were left intact.
  • Visitation: Whether the anther was sampled before or after a single bee visit.
  • PollenCount: The estimated amount of pollen present in the flower.

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