Black Poplar, from The Park and the Forest by James Duffield Harding https://www.rawpixel.com/image/8991922/black-poplar-from-the-park-and-the-forest-james-duffield-hardingFree Image from public domain licensePoplars and Pollards on the Lea, Near Broxbourne by Peter Henry Emerson https://www.rawpixel.com/image/14322176/poplars-and-pollards-the-lea-near-broxbourne-peter-henry-emersonFree Image from public domain licenseTwo grand trees - a walnut and a poplar - alongside Frontier Road ... (05 February 1960) by Leslie Adkin. https://www.rawpixel.com/image/13030861/image-cloud-plant-personFree Image from public domain licenseSrinagar, Kashmir: a dense poplar avenue. Photograph by Samuel Bourne. https://www.rawpixel.com/image/14008918/srinagar-kashmir-dense-poplar-avenue-photograph-samuel-bourneFree Image from public domain licensePoplars and Pollards on the Lea, Near Broxbourne by Peter Henry Emerson https://www.rawpixel.com/image/14314159/poplars-and-pollards-the-lea-near-broxbourne-peter-henry-emersonFree Image from public domain licenseCut-over land plowed under for crops near Poplar Bluff. Butler County, Missouri. Sourced from the Library of Congress. https://www.rawpixel.com/image/12267604/photo-image-plant-person-skyFree Image from public domain license