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 '