Klass, CarolynJohnson, Warren T.2010-01-292010-01-292008-12-18Klass, C.; & Johnson, W.T. 2008. Galls on Plants. Dept. of Entomology, Cornell University, Ithaca NY.https://hdl.handle.net/1813/14331A 4 page overview of some common kinds of plant galls.en-USInsectsfact sheet