Dock rust

Dock rust

Observation - Dock rust - UK and Ireland. Description: The leaf is either wood dock (or maybe curled dock) - it had bright scarlet spots about 1cm across, and when the leaf was turned over there were strange cell-like things - or maybe mini-toadstools? Edited - it seems that it is dock rust and the 'cell-lik

The leaf is either wood dock (or maybe curled dock) - it had bright scarlet spots about 1cm across, and when the leaf was turned over there were strange cell-like things - or maybe mini-toadstools? Edited - it seems that it is dock rust and the 'cell-like things' are 'aecia' - fruiting bodies. Fascinating!