Solanum rostratum, buffalobur nightshade. Columbus, Montana. August 22, 2007. Original public domain image from Flickr https://www.rawpixel.com/image/3335930/free-photo-image-astragalus-blossom-budFree Image from public domain licenseSolanum carolinense 3, Horse-nettle fruit, Howard County, Md, Helen Lowe Metzman https://www.rawpixel.com/image/8756888/photo-image-plant-public-domain-fruitFree Image from public domain licenseSolanum rostratum, buffalobur nightshade. Columbus, Montana. August 11, 2007. Original public domain image from Flickr https://www.rawpixel.com/image/3335925/free-photo-image-abies-animal-asteraceaeFree Image from public domain licenseLeaf graphic, botanical illustration https://www.rawpixel.com/image/6433798/leaf-graphic-botanical-illustrationView licenseSolanum carolinense 2, Horse-nettle, Howard County, Md, Helen Lowe Metzman https://www.rawpixel.com/image/8756851/photo-image-flower-plant-public-domainFree Image from public domain licenseSolanum aviculare or Poroporo (circa 1910) by Fred Brockett. https://www.rawpixel.com/image/13030725/solanum-aviculare-poroporo-circa-1910-fred-brockettFree Image from public domain licenseBittersweet (Solanum dulcamara) illustration from Medical Botany (1836) by John Stephenson and James Morss Churchill. https://www.rawpixel.com/image/326963/premium-illustration-psd-john-stephenson-nightshade-vintage-flower-amara-dulcisView license