Phragmidium violaceum

Phragmidium • Pucciniales • Pucciniomycetes • Basidiomycota • fungi • plant diseases • pests-diseases-weeds

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Phragmidium violaceum symptoms on Rubus (click on image to enlarge it)
Author(s): Jerzy Opioła
Source: Wikimedia Commons

Phragmidium violaceum (Schultz) G. Winter (1880) - (blackberry rust)

This rust fungus infects raspberry and blackberry in various regions. For literature covering rust of weedy blackberries see P. violaceum as weed pathogen.