St. Joe State Park

Oak Gall in Missouri

Willy Wonka gumball? World’s smallest dinosaur egg? Previously: Fifty Common Plant Galls of the Chicago Area ETA: Thanks to the lovely website, I’ve been informed that the gall may belong to the species Atrusca quercuscentricola, a gall wasp that forms galls on the leaves of post oaks, one of the most common trees in …

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