Douglas Fir (Pseudotsuga mucronata) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2626539/free-illustration-image-fir-pseudotsuga-flower Free Image from public domain license
Flower Study (1878) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2617070/free-illustration-image-flower-plant-vintage-wildflower Free Image from public domain license
Loblolly Pine (Pinus taeda) (1918) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2629571/free-illustration-image-flower-pine-cone-poster Free Image from public domain license
Mexican Poppy (Eschscholtzia mexicana) (1927) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2622334/free-illustration-image-flower-botanical-plant Free Image from public domain license
Blueflag Iris (Iris versicolor) (1919) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2618173/free-illustration-image-flower-watercolor-leaves-botanical 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/2629212/free-illustration-image-flower-watercolor-garden 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
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
Maypop (Passiflora incarnata) (1926) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2630895/free-illustration-image-botanical-flowers-leaf 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
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
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
Western Larch (Larix occidentalis) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2628875/free-illustration-image-larix-flower-conifer 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
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
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
Pansies (1875) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2620659/free-illustration-image-flower-pansy-violet 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
Curly Clematis (Clematis crispa) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2626405/free-illustration-image-violet-flower-clematis 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
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
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
Mexican Fremontia (Fremontodendron mexicanum) (1926) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced… https://www.rawpixel.com/image/2613531/free-illustration-image-flowers-yellow-watercolor Free Image from public domain license
Sweetbay (Magnolia virginiana) (1927) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2621259/free-illustration-image-magnolia-garden-flowers 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
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
Red Willowweed (Epilobium latifolium) (1911) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2617327/free-illustration-image-flower-watercolor-plant-watercolor 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
Saussurea (Saussurea densa) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613530/free-illustration-image-flowers-saussurea-botanical-public-domain Free Image from public domain license
Virginia Stewartia (Stewartia malachodendron) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced… https://www.rawpixel.com/image/2621265/free-illustration-image-white-flower-botanical Free Image from public domain license
Red Trillium (Trillium erectum) (1918) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2608062/free-illustration-image-watercolors-plants-vintage-floral-vintage-wildflower Free Image from public domain license
Parrot pitcherplant (Sarracenia psittacina) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced… https://www.rawpixel.com/image/2628843/free-illustration-image-parrot-sarracenia-vintage 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
Moss Campion (Silene acaulis) (1924) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628830/free-illustration-image-garden-flower-moss Free Image from public domain license
Meadow Fleabane (Erigeron speciosus) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2613884/free-illustration-image-garden-meadow-flowers Free Image from public domain license
Perennial Gaillardia (Gaillardia aristata) (1904) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2617066/free-illustration-image-flowers-yellow-flower-plants 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
Lewis Monkey Flower (Mimulus lewisii) (1899) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2618184/free-illustration-image-watercolor-plant-garden-vintage-poster Free Image from public domain license
Giant Trillium (Trillium chloropetalum) (1921) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2621261/free-illustration-image-flower-trillium-vintage-floral 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
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
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
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
Large Purple Fringe–Orchid (Habenaria grandiflora) (1926) by Mary Vaux Walcott. Original from The Smithsonian.… https://www.rawpixel.com/image/2628857/free-illustration-image-orchid-flowers-poster 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
Green Strawberry Cactus (Echinocereus viridiflorus) (1925) by Mary Vaux Walcott. Original from The Smithsonian. Digitally… https://www.rawpixel.com/image/2630900/free-illustration-image-cactus-poster-illustrations 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
Scarlet Globe Mallow (Sphaeralcea grossulariaefolia) (1927) by Mary Vaux Walcott. Original from The Smithsonian. Digitally… https://www.rawpixel.com/image/2613511/free-illustration-image-flower-botanical-vintage-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/2629216/free-illustration-image-botanical-flower-vintage-floral 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
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
Prairie Thistle (Cirsium undulatum) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2628858/free-illustration-image-thistle-garden-flowers Free Image from public domain license
Autumn Leaves (1874) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613850/free-illustration-image-maple-autumn-leaves-vintage-floral Free Image from public domain license
Autumn Leaves (1874) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2614351/free-illustration-image-autumn-fall-leaf Free Image from public domain license
Autumn Leaves (1874) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2614346/free-illustration-image-leaves-autumn-fall Free Image from public domain license
Autumn Leaves (1874) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2613522/free-illustration-image-leaves-flower-autumn Free Image from public domain license
Flowering Dogwood (Cornus florida) (1919) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2617062/free-illustration-image-flower-watercolor-flowering-dogwood Free Image from public domain license
Winterberry (Ilex verticillata) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2628784/free-illustration-image-winter-autumn-vintage 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
Wild Pineapple (Tillandsia fasciculata) (1921) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2628847/free-illustration-image-leaves-botanical-flower Free Image from public domain license
Mountain Juniper (Juniperus sibirica) (1917) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2623798/free-illustration-image-juniper-berry-juniperus Free Image from public domain license
Yaupon (Ilex vomitoria) (1926) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2618188/free-illustration-image-berry-autumn-flowers Free Image from public domain license
White Thistle (Cirsium hookeranum) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2629194/free-illustration-image-thistle-botanical-watercolor Free Image from public domain license
Slender Agoseris (Agoseris gracilens) (1922) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2613473/free-illustration-image-watercolor-flower-mary-vaux-walcott-plants 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
White Pea (Lathyrus ochroleucus) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2622301/free-illustration-image-pea-watercolor-leaves-flower Free Image from public domain license
Balsamroot (Balsamorhiza sagittata) (1923) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2617068/free-illustration-image-vintage-flower-yellow-flowers 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
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
On the Road to Monument (1881) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2608063/free-illustration-image-flower-white-lily 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
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
Giant Helleborine (Epipactia gigantea) (1880) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2613800/free-illustration-image-william-morris-orchid-spring Free Image from public domain license
Schizocodon soldanelloides (1936) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2621273/free-illustration-image-floral-william-morris-botanical-wildflower 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
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
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
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
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
Virginia Spiderwort (Tradescantia virginiana) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced… https://www.rawpixel.com/image/2621248/free-illustration-image-flowers-vintage-botanical Free Image from public domain license
Giant Helleborine (Epipactia gigantea) (1880) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2613784/free-illustration-image-flower-mary-vaux-walcott-plants-white Free Image from public domain license
Wake–Robin (Trillium grandiflorum) (1918) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2621271/free-illustration-image-trillium-white-flowers-vintage-floral 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
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
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
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
Sand Verbena (Abronia umbellata) (1936) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2621255/free-illustration-image-flower-verbena-morris Free Image from public domain license
Rose Gentian (Sabbatia angularis) (1880) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2608059/free-illustration-image-flower-tree-vintage-floral 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
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
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
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
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
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
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
Western Mountain Ash (Sorbus sambucifolia) (1918) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2618186/free-illustration-image-autumn-watercolor-ash Free Image from public domain license
Group of Flowers (1881) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2630909/free-illustration-image-flower-floral-tree Free Image from public domain license
Thistle (Cirsium arizonica) (1938) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2630534/free-illustration-image-flower-thistle-botanical Free Image from public domain license
Cucumber cactus (1939) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2629357/free-illustration-image-cactus-tree-vintage Free Image from public domain license
Pacific Dogwood (Cornus nuttallii) (1933) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2613526/free-illustration-image-flower-white-dogwood Free Image from public domain license