The small-whorled pogonia is a plain, endangered orchid that inhabits the hollows of Virginia, and survives only in collaboration with a particular type of fungus and a particular type of tree. Scientists want to save the orchid, but first they have to find it. Listen to a radio broadcast by WAMU correspondent Sabri Ben-Achour as he tags along on a rescue mission for this flower with Smithsonian Environmental Research Center botanist Melissa McCormick. Click here.
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