Laser scan of a plant root. Plant tissue is shown in blue-green, and mycorrhizal fungal tissue in red.
  
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The plant is Voyria tenella, a non-photosynthetic species which depends entirely on its fungal partners for its nutrition. The sample was collected in a lowland tropical forest in Panama.

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The scan was made using confocal laser scanning microscopy with differential staining of plant and fungal tissues.

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Video © Merlin Sheldrake