Coreopsis verticillata 3, Whorled tickseed, Howard County, Md, Helen Lowe Metzman https://www.rawpixel.com/image/8756033/photo-image-flower-plant-public-domainFree Image from public domain licenseLucille West, at pressure cooker, and Nancy Engram canning vegetables and fruits in home economics class at Flint River… https://www.rawpixel.com/image/12328401/image-person-public-domain-womanFree Image from public domain licenseMicroscopische opname van mahoniehout, zestig keer vergroot (1887 - 1888) by Marinus Pieter Filbri https://www.rawpixel.com/image/13756055/photo-image-paper-plant-artFree Image from public domain licenseNIH- NIAID Division of Infectious Diseases. Original public domain image from Flickr https://www.rawpixel.com/image/8786475/photo-image-plant-food-fruitFree Image from public domain license