January 25, 2023 by Elena RodriguezCirsium_discolor_Thistle_Down-1_Oct_ELM Field thistle (Cirsium discolor) is attractive to goldfinches who use the thistle down as a lining material for their nests and enjoy eating the plant’s seeds. Photo © Elaine Mills About Elena Rodriguez Previous Post:Cirsium_discolor_Thistle_Down-1_Oct_ELM