Thistle flower png sticker illustration, transparent background. Free public domain CC0 image. https://www.rawpixel.com/image/6687343/png-plant-flower Free PNG from public domain license
Hand drawn aloe perfoliata. Original from Biodiversity Heritage Library. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2880073/free-illustration-image-tropical-flower-botanics-botanical Free Image from public domain license
Hand drawn Cornelian cherry. Original from Biodiversity Heritage Library. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2880246/free-illustration-image-cornelian-cherry-produce-biodiversity-heritage-library Free Image from public domain license
Hand drawn red peony. Original from Biodiversity Heritage Library. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2880377/free-illustration-image-peony-vintage-biodiversity Free Image from public domain license
Bear's Oak or Quercus Banisteri pl. 21 (1819) from The North American Sylva by François André Michaux.… https://www.rawpixel.com/image/2090668/vintage-botanical-illustration Free Image from public domain license
Quercus Heterophilla or Bartram's Oak pl. 16 (1819) from The North American Sylva by François André Michaux.… https://www.rawpixel.com/image/2056117/vintage-botanical-illustration Free Image from public domain license
Hokusai's dragonfly and bellflower. Original public domain image from the MET museum. https://www.rawpixel.com/image/7639399/original-public-domain-image-from-the-met-museum Free Image from public domain license
[Young girl, wearing a red dress and blue apron full of wildflower, is in a field with a lamp by her right side], Gray Lith.… https://www.rawpixel.com/image/7689255/image-public-domain-apron-red-posters Free Image from public domain license
Gentianacease sabbalia angularis (1880) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2622307/free-illustration-image-rose-purple-flower-botanical-flowers Free Image from public domain license
Lilac Mariposa (Calochortus splendens) (1926) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2608396/free-illustration-image-pink-flower-flowers-lilac Free Image from public domain license
Puccoon (Lithospermum ruderale) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628760/free-illustration-image-spring-botanical-flower Free Image from public domain license
Psilostrophe sparsiflora (1938) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613791/free-illustration-image-flower-yellow-floral-design Free Image from public domain license
Swamp Magnolia (Magnolia virginiana) (1918) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2607986/free-illustration-image-magnolia-laurel-spring Free Image from public domain license
Group of Flowers (1883) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628855/free-illustration-image-flowers-botanical-william-morris Free Image from public domain license
Saltmarsh Rosegentian (Sabbatia stellaris) (1926) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2615411/free-illustration-image-flowers-watercolor-plant-leaves Free Image from public domain license
Grass Nut (Brodiaea laxa) (1933) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613520/free-illustration-image-grass-watercolor-flowers-flower Free Image from public domain license
Goldenpea (Thermopsis rhombifolia) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2628839/free-illustration-image-yellow-flower-poster-watercolor-plant Free Image from public domain license
Washington Lily (Lilium washingtonianum) (1933) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2618183/free-illustration-image-lily-white-flower-floral Free Image from public domain license
California Lilac (Ceanothus thyrsiflorus) (1935) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2624531/free-illustration-image-lilac-blue-flowers Free Image from public domain license
Rose Bay Rhododendron (Rhododendron carolinianum) (1932) by Mary Vaux Walcott. Original from The Smithsonian. Digitally… https://www.rawpixel.com/image/2613525/free-illustration-image-rhododendron-flower-botanical Free Image from public domain license
Harebell (Campanula rotundifolia) (1916) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613518/free-illustration-image-flower-blue-campanula Free Image from public domain license
Lupine (Lupinus fornosus) (1935) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2621268/free-illustration-image-lupine-wildflowers-flowers-purple Free Image from public domain license
Fringed Gentian (Gentiana crinita) (1905) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2614356/free-illustration-image-blue-flower-botanical Free Image from public domain license
Birthday card depicting flowers and plants (1885) from The Miriam and Ira D. Wallach Division of Art, Prints and… https://www.rawpixel.com/image/556836/flower-and-plants-birthday-card Free Image from public domain license
Purple Pentstemon (Pentstemon lyallii) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2620607/free-illustration-image-purple-poster-floral Free Image from public domain license
Flower Study (1886) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2627495/free-illustration-image-violet-flower-poster Free Image from public domain license
Farewell to Spring (Godetia amoena lilja) (1930) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2615409/free-illustration-image-flower-green-leaves-farewell Free Image from public domain license
Hairy Phlox (Phlox amoena) (1930) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613516/free-illustration-image-flower-spring-phlox Free Image from public domain license
New Mexican Locust (Robinia neomexicana) (1938) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2613490/free-illustration-image-mexico-flower-rose Free Image from public domain license
Fringed Gentian (Gentiana elegana) (1933) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2613515/free-illustration-image-flower-spring-blue Free Image from public domain license
Fireweed (Epilobium angustifolium) (1902) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2621264/free-illustration-image-fireweed-garden-flowers Free Image from public domain license
Cucumbertree (Magnolia acuminata) (1922) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2621258/free-illustration-image-magnolia-cucumber-poster Free Image from public domain license
Atamasco Lily (Atamosco atamasco) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2630608/free-illustration-image-lily-white-flower Free Image from public domain license
Western Blue Flag (Iris missouriensis) (1933) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2608049/free-illustration-image-iris-flower-blue Free Image from public domain license
Bearberry (Arctostaphylos uva-ursi) (1916) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2628768/free-illustration-image-watercolor-cc0-flowers Free Image from public domain license
Calla Lily (1877) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2617071/free-illustration-image-calla-lily Free Image from public domain license
Water Lilies (Castalia odorata) (1879) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2618180/free-illustration-image-lotus-water-lily-flower Free Image from public domain license
Goldenbowl Mariposa (Calochortus claratus) (1926) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2608399/free-illustration-image-flower-watercolor-plant-yellow Free Image from public domain license
Parry's Penstemon (Penstemon parryi) (1927) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2621269/free-illustration-image-flower-poster-watercolour-flowers Free Image from public domain license
Bourgeau Rose (Rosa bourgeauiana) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2623805/free-illustration-image-rose-poster-flowers Free Image from public domain license
Quill Leaf Tillandsia (Tillandsia fasciculata) (1929) by Mary Vaux Walcott. Original from The Smithsonian. Digitally… https://www.rawpixel.com/image/2620615/free-illustration-image-poster-watercolor-plant-mary-vaux Free Image from public domain license
Blue Phlox (Phlox divaricata) (1917) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628867/free-illustration-image-flower-botanical-blue Free Image from public domain license
Alaska Fleabane (Erigeron salsuginosus) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2608392/free-illustration-image-flowers-wildflowers-hand-drawn-vintage Free Image from public domain license
Small Tiger Lily (Lilium parvum) (1933) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613832/free-illustration-image-tiger-flower-orange Free Image from public domain license
Indian Paintbrush (Castilleja rhexifolia) (1883) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2626383/free-illustration-image-wildflowers-flower-indian-paintbrush Free Image from public domain license
Skeleton Weed (Lygodesmia grandiflora) (1931) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2613479/free-illustration-image-flower-weed-watercolor Free Image from public domain license
Southern Magnolia (Magnolia grandiflora) (1918) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2621262/free-illustration-image-magnolia-william-morris-watercolor Free Image from public domain license
Lily (Lilium montanum) (1900–1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2614365/free-illustration-image-lily-orange-flower-botanical Free Image from public domain license
Hedge Bindweed (Calystegia Convolvulus sepium) (1932) by Mary Vaux Walcott. Original from The Smithsonian. Digitally… https://www.rawpixel.com/image/2623801/free-illustration-image-flower-spring-vintage Free Image from public domain license
Rose (1878) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2617069/free-illustration-image-rose-flowers-red Free Image from public domain license
Crossvine (Anisostichus capreolatus) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2629217/free-illustration-image-flower-watercolor-poster Free Image from public domain license
Flower Study (1879) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2618166/free-illustration-image-passion-flower-passiflora Free Image from public domain license
Ocotillo (Fouquieria splendens) (1927) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2626389/free-illustration-image-watercolor-flower-poster Free Image from public domain license
Sweet Trillium (Trillium vasyi) (1934) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2621253/free-illustration-image-flower-vintage-watercolours-plants Free Image from public domain license
Water Lilies (Castalia odorata) (1879) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2618169/free-illustration-image-lotus-water-lily-flower Free Image from public domain license
American Wisteria (Kraunhia frutescens) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2628840/free-illustration-image-wisteria-garden-violet Free Image from public domain license
Pussy Willow (Salix discolor) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628773/free-illustration-image-willow-pussy-flowers Free Image from public domain license
Centaurium (Centaurium venustum) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613527/free-illustration-image-flower-garden Free Image from public domain license
Purple Prairieclover (Petalostemon purpureum) (1927) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced… https://www.rawpixel.com/image/2628874/free-illustration-image-flower-wildflowers-hand-drawn-purple Free Image from public domain license
Iris (Iris species) (1939) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613487/free-illustration-image-flower-iris-painting Free Image from public domain license
Wild Sweet Crab (Malus coronaria) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628777/free-illustration-image-floral-design-flower-pink Free Image from public domain license
Rose Mallow (Hibiscus moscheutos) (1878) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2626382/free-illustration-image-hibiscus-flowers-rose Free Image from public domain license
Prairie Pentstemon (Pentstemon erianthera) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2622310/free-illustration-image-flowers-spring-wildflowers-hand-drawn Free Image from public domain license
Wild Pea (Lathyrus decaphyllus) (1938) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2630543/free-illustration-image-flowers-spring-vintage Free Image from public domain license
Red Chokeberry (Aronia arbutifolia) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2622303/free-illustration-image-flower-public-domain-spring Free Image from public domain license
Gentian (Gentiana holopetala) (1936) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613496/free-illustration-image-flower-wildflowers-hand-drawn-vintage-purple-watercolor Free Image from public domain license
Whippoorwill Flower (Trillium H.) (1937) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2614839/free-illustration-image-flower-hand-drawn-tree-mary-vaux-walcott-plants Free Image from public domain license
Large White Trillium (Trillium grandiflorum) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced… https://www.rawpixel.com/image/2628854/free-illustration-image-trillium-vintage-flower Free Image from public domain license
Salsify (Tragopogon porrifolius) (1921) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2608397/free-illustration-image-bloom-vintage-vegetable-tree Free Image from public domain license
Red Maple (Acer rubrum) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628801/free-illustration-image-flower-acer-rubrum-painting Free Image from public domain license
Flower Study (1883–1900)by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628838/free-illustration-image-plant-watercolor-botany-vintage Free Image from public domain license
Rhododendron (Rhododendron maximum) (1880) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2614834/free-illustration-image-rhododendron-azalea-nature Free Image from public domain license
Toad Trillium (Trillium sessile) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2621257/free-illustration-image-toad-watercolours-plants-morris Free Image from public domain license
Lemon Columbine (Aquilegia flavescens) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2608398/free-illustration-image-flowers-vintage Free Image from public domain license
On the Road to Monument (1881) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2607987/free-illustration-image-flower-botanical-lily Free Image from public domain license
Canada Wild Ginger (Asarum canadense) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2630604/free-illustration-image-ginger-canada-mary-vaux-walcott-plants Free Image from public domain license
Southern Magnolia (Magnolia grandiflora) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2621267/free-illustration-image-magnolia-bay-leaf-bull Free Image from public domain license
Flower Study (1876–1878) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2629225/free-illustration-image-flower-floral-paintings-watercolor-plants Free Image from public domain license
Blue-eyed-grass (Sisyrinchium angustifolium) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced… https://www.rawpixel.com/image/2628850/free-illustration-image-grass-wildflowers-watercolor Free Image from public domain license
Cylindropuntia whipplei (1938) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2624576/free-illustration-image-cactus-succulent-mary-vaux-walcott Free Image from public domain license
Bourgeau Rose (Rosa bourgeauiana) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2629216/free-illustration-image-botanical-flower-vintage-floral Free Image from public domain license
Sand Myrtle (Leiophyllum lyoni) (1930) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628851/free-illustration-image-flower-myrtle-vintage Free Image from public domain license
Primrose (Primula angustifolia) (1937) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613517/free-illustration-image-flowers-plant-mary-vaux Free Image from public domain license
Butterfly Pea (Clitoria mariana) (1934) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2617326/free-illustration-image-butterfly-pea-flower Free Image from public domain license
Cannas and Cypress Vine (Canna species and Ipomoea quamoclit) (1877) by Mary Vaux Walcott. Original from The Smithsonian.… https://www.rawpixel.com/image/2618719/free-illustration-image-flowers-cypress-red-flower Free Image from public domain license