Welcome to Gallformers

The place to ID and learn about galls on plants.

ID a Gall →

Try and get an ID for a gall by providing known information.

Explore →

Explore Galls (including Undescribed species) and Hosts.

Resources

Interesting Reading

If you are new to galls Charley Eiseman and Noah Charney's Tracks & Signs of Insects & Other Invertebrates: A Guide to North American Species is a good place to start learning. It covers a lot more than just galls and is an excellent resource.
A long-anticipated update to Russo's guide to galls of the Western US is due from Princeton University Press in ~~March~~ April of 2021
Some advice on finding galls.