Cluster Cups of Puccinia lagenophorae on Senecio vulgaris (Groundsel)

(Image from MycoAlbum CD by George Barron - see www.mycographics.com)

Rust Cups of Puccinia on Senecio vulgaris (Groundsel)

This is a small portion of  a leaf of the common weed Groundsel showing the Aecial cups of  Puccinia lagenophorae scattered over its surface.  The cups are quite tiny but quite attractive in close-up as you can see from the larger view above

Images copyright George Barron from MycoAlbum CD

Comment on CD by RWL -  ' What a marvelous product '