Species

Puccinia malvacearum (Hollyhock rust)

Puccinia malvacearum. Photo: (c) Susan J. Hewitt, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Puccinia malvacearum, also known as hollyhock or mallow rust, is a species within the Puccinia genus known for attacking members of the Malvaceae family. An autoecious pathogen, it can complete its life cycle using a single host.

— Wikipedia

Sightings

Where in Humboldt

Discussion

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