It`s that time of year again....I had this rust, new to Carms, last year on some nettle-leaved bellflower plants in my garden, noticed as I was cutting off the spent flower heads to prevent copious seeding.
Nigel Stringer knows the name of the rust. The rust has obviously re-appeared this year!
well done Ian. The rust is Coleosporium tussilaginis which alternates with Pinus sp.
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