Rust fungi are parasites of plants. Some of the disease symptoms they produce resemble rust particles on iron. These leaves of the native biddybid (Acaena caesiiglauca) have been infected by the rust fungus Phragmidium subsimile, which produces yellow–orange and black overwintering spore pustules.
Using this item
Landcare Research – Manaaki Whenua
Photograph by Jerry Cooper
© Copyright image. All rights reserved. Permission from Manaaki Whenua: Landcare Research New Zealand Limited must be obtained before the re-use of this image.
Add new comment