Join Dr. Ehren Moler and me as we discuss a host swapping alien invader. We discuss this master of disguise of a fungal disease and what it means for forests of North America. We even have a throw-back to the Magic School Bus of our youths. Photo: White bark pine (Pinus albicaulis) affected by white pine blister rust disease near Yellowstone National Park. Copyright Ehren Moler, used with permission. The life cycle of Cronartium ribicola is summarized here and check out this YouTube video from the University of Wyoming that explains the life cycle and shows the flagging that Ehren talked about. You can find Ehren on ResearchGate. Music by Ron Deckert. Check him out on SoundCloud.

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