Photo 1664541, (c) Richard Grayson, some rights reserved (CC BY-NC), uploaded by Richard Grayson

Attribution © Richard Grayson some rights reserved Uploaded by rhgrayson Source iNaturalist Associated observations Photos / Sounds What Musk Thistle (Carduus nutans) Observer rhgrayson Date March 2015 Place Texas, US (Google, OSM) Date Added March 28, 2015 01:21 PM CDT Description Carduus nutans Nodding thistle 1 comment 2 IDs Research Grade View Sizes small medium large original