Drummond Rockcress infected by Puccinia monoica

This is a fungal infection of the Drummond Rockcress (Boechera drummondii or Arabis drummondii). The rust fungus is Puccinia monoica. Found at 9360 feet on the Salt Lick Trail, May 31, 2015. Thanks to Jane Hendrix for this difficult identification.

wildflowersyellow_70.gif

wildflowersyellow_71.gif

Created with the Wolfram Language