Gall on Arroyo Willow (2616758411)

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Description: Gall on Arroyo Willow (Salix lasiolepis) The gall is induced by Iteomyia sp. - Each toothy projection is correlated with a larval chamber. Tennessee Valley GGNRA - Golden Gate National Recreational Area Marin County, CA _______________ Reference: Field Guide to PLANT GALLS of California and Other Western States by Ron Russo- ISBN 978-0-520-24886-1. Date: 14 June 2008, 12:19. Source: Gall on Arroyo Willow. Author: Franco Folini from San Francisco, USA. Camera location37° 51′ 20.74″ N, 122° 32′ 21.84″ W View all coordinates using: OpenStreetMap 37.855762; -122.539401.