
''Allodus podiphylli,'' mayapple rust is a plant pathogen. This fungal parasite forms tiny bright orange cups on the underside of leaves of mayapple.
Similar species: Pucciniales
By Matthew Beziat
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Uploaded Apr 25, 2021. Captured Apr 24, 2021 15:47 in Piney Run Park Nature Center, Inlet Trail, Eldersburg, MD 21784, USA.