Public Domain 2011 Annette Olson Courtesy of life.nbii.gov
NBII images
Category hierarchy: Environmental Topics | DiseasesDescription: A gall, a swelling of plant tissue, on the top part of a branch of what is believed to be a Post oak tree in East Texas. Capture device: Sony CyberShot DSC-P200 digital
Public Domain 2011 Annette Olson Courtesy of life.nbii.gov
NBII images
Category hierarchy: Plants | Plant Structures | Branches, Stems & LeavesDescription: An oak tree, tentatively identified as a Post oak, in East Texas.Capture device: Sony CyberShot DSC-P200 digital
