Photo 621927, (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner

Attribution © Erin Faulkner some rights reserved Uploaded by elfaulkner Source iNaturalist Associated observations Photos / Sounds What Prairie Rosinweed (Silphium integrifolium) Observer elfaulkner Date August 21, 2009 Place Illinois Beach State Park, IL (Google, OSM) Date Added January 1, 2014 03:58 PM CST 2 IDs Research Grade View Sizes small medium large original