cauliflower leaf gall on Valley Oak - Andricus confertus Sonoma, Sonoma County, California, USA September 28, 2012 Size: ~1 cm wide
A "cauliflower"-shaped gall on midvein of underside of leaf of Valley Oak (Quercus lobata) in dry oak woodland.
Images of this individual: tag all Contributed by John Pearson on 4 November, 2012 - 11:49am Last updated 16 December, 2012 - 11:28am |