Thistle flower with spiky petals https://www.rawpixel.com/image/15042068/thistle-flower-with-spiky-petalsView licenseBlue thistle with spiky leaves https://www.rawpixel.com/image/15042052/blue-thistle-with-spiky-leavesView licenseViburnum opulus (common snowball);Jasminum officinale (Jasmine);Cytisus scoparius (common broom) by Maria Sibylla Merian https://www.rawpixel.com/image/8921790/image-flower-plant-artFree Image from public domain licenseFlowers Bloom in Water Canyon, Named for a Spring Which Furnishes a Good Supply of Pure Water, a Rarity in This Dry Area… https://www.rawpixel.com/image/8800016/photo-image-flower-plant-vintageFree Image from public domain licenseElk Thistle - Cirsium scariousumby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038543/photo-image-flower-plant-purpleFree Image from public domain licenseVintage lilac illustration. Remixed from our own original 1879 edition of Nederlandsche Flora en Pomona. https://www.rawpixel.com/image/11977336/image-white-background-flower-plantView licenseLong branches covered with white flowers in a golden field in Columbus. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3304856/free-photo-image-blossom-agelaius-animalFree Image from public domain licenseLight blue flower background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292396/free-photo-image-pattern-flower-blossomFree Image from public domain licenseAgeratum Flower flower plant herbs. AI generated Image by rawpixel. https://www.rawpixel.com/image/12361445/image-white-background-paperView licenseAlpine meadow, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802694/photo-image-flower-plant-treeFree Image from public domain licenseIn 2016, the Roaring Lion Fire burned nearly 9,000 acres of forestland near Hamilton, Mont., including portions of Kathy… https://www.rawpixel.com/image/3335390/free-photo-image-meadow-apiaceae-blossomFree Image from public domain licenseSesame seeds crop, still several days away from harvest at the Ernie Schirmer Farms (Batesville) where Operations Manager… https://www.rawpixel.com/image/3260581/free-photo-image-dried-grass-wood-dried-flowerFree Image from public domain licenseLimonium frame blossom flower plant. https://www.rawpixel.com/image/14519263/limonium-frame-blossom-flower-plantView licenseTook these pics on some walks around my hometown Lupburg in Bavaria. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3371876/free-photo-image-flower-amaryllidaceae-andrenaFree Image from public domain licenseSesame seeds crop, still several days away from harvest at the Ernie Schirmer Farms (Batesville) where Operations Manager… https://www.rawpixel.com/image/3260651/free-photo-image-sesame-animal-apiaceaeFree Image from public domain licenseStonecrop - Sedum lanceolatumby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038458/photo-image-flower-plant-beeFree Image from public domain licenseCream Wild Indigo in Wisconsin. Jim Lutes/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028189/photo-image-flower-plant-beeFree Image from public domain licenseWildflower in the Alpine. Original public domain image from Flickr https://www.rawpixel.com/image/3309858/free-photo-image-amaryllidaceae-apiaceae-asteraceaeFree Image from public domain licenseWestern Valerian - Valeriana occidentalis by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038367/photo-image-flower-plantFree Image from public domain licenseIac. Cornvti ... Canadensivm planatarvm, aliarúmque nondum editarum historia. Cui adiectum est ad calcem enchiridion… https://www.rawpixel.com/image/13971967/image-paper-cartoon-flowerFree Image from public domain licenseOne-sided wintergreen - Orthilia secunda by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038565/photo-image-flower-plant-leafFree Image from public domain licenseStonecrop - Sedum lanceolatum. Original public domain image from Flickr https://www.rawpixel.com/image/3309780/free-photo-image-andrena-animal-apiaceaeFree Image from public domain licenseRavne pri Zdolah.. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3337453/free-photo-image-andrena-animal-apiaceaeFree Image from public domain licenseA grazing management system implemented by Francis "Boo Boo" Bird on the Blackfeet Indian Reservation has increased plant… https://www.rawpixel.com/image/3335579/free-photo-image-american-indian-apiaceae-blackfeet-reservationFree Image from public domain licenseFloresence of the long-leaved cabbage tree (Cordyline banksii) .... (29 November 1925) by Leslie Adkin. https://www.rawpixel.com/image/13030781/image-flower-plant-peopleFree Image from public domain licenseA plant (Laserpitium ferulaceum): flowering stem and floral segments. Etching, c. 1718, after C. Aubriet. https://www.rawpixel.com/image/14016326/image-paper-flower-plantFree Image from public domain licenseIac. Cornvti ... Canadensivm planatarvm, aliarúmque nondum editarum historia. Cui adiectum est ad calcem enchiridion… https://www.rawpixel.com/image/13993492/image-paper-cartoon-flowerFree Image from public domain licenseButterfly MilkweedVibrant butterfly milkweed is in bloom at Sherburne National Wildlife Refuge in Minnesota.Photo by… https://www.rawpixel.com/image/4029034/photo-image-flower-plant-beeFree Image from public domain licenseYellow Penstemon - Penstemon confertus. Original public domain image from Flickr https://www.rawpixel.com/image/3309778/free-photo-image-acanthaceae-amaranthaceae-andrenaFree Image from public domain licenseStoneseed - Lithospermum ruderale. Original public domain image from Flickr https://www.rawpixel.com/image/3309912/free-photo-image-abies-amaryllidaceae-apiaceaeFree Image from public domain licensePrince's plume (Stanleya pinnata)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033498/photo-image-flower-plant-natureFree Image from public domain licenseThe lace-bark (Hoheria) in full bloom (02 April 1960) by Leslie Adkin. https://www.rawpixel.com/image/13031092/the-lace-bark-hoheria-full-bloom-02-april-1960-leslie-adkinFree Image from public domain license