Star-glory Morning–glory (1827) by Pierre-Joseph Redouté and Henry Joseph Redouté. Original from The… Free Image from public domain license 
Plantae Selectae: No. 33–Magnolia by Georg Dionysius Ehret. Original from The Cleveland Museum of Art. Digitally… Free Image from public domain license 
Sempervivum Canariense Image from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original from… Free Image from public domain license 
Peach (Prunus Persica) (1924) by Royal Charles Steadman. Original from U.S. Department of Agriculture Pomological Watercolor… Free Image from public domain license 
Adiantum Assimile and A. Lunulatum from Ferns: British and Exotic (1856-1860) by Edward Joseph Lowe. Original from… Free Image from public domain license 
Passiflore Ailee (1827) by Pierre-Joseph Redouté and Henry Joseph Redouté. Original from The Cleveland Museum… Free Image from public domain license 
Sempervivum Arboreum (Tree Houseleek) from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original… Free Image from public domain license 
Scarlet Globe Mallow (Sphaeralcea grossulariaefolia) (1927) by Mary Vaux Walcott. Original from The Smithsonian. Digitally… Free Image from public domain license 
Crown Imperial Fritillary (1827) by Pierre-Joseph Redouté and Henry Joseph Redouté. Original from The Cleveland… Free Image from public domain license 
Strawberry, Mignonette, Tulip, and Blue Bell and from The Language of Flowers, or, Floral Emblems of Thoughts, Feelings, and… Free Image from public domain license 
Alpine buckthorn (Rhamnus alpinus) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… Free Image from public domain license 
Choix des plus belles fleurs :et des plus beaux fruits (1833) in high resolution by Pierre-Joseph Redouté. Original… Free Image from public domain license 
Willow pattern (1874) by William Morris. Original from The Smithsonian Institution. Digitally enhanced by rawpixel. Free Image from public domain license 
Magnolia (1886) in high resolution by L. Prang & Co. Original from The Library of Congress. Digitally enhanced by rawpixel. Free Image from public domain license 
Euphorbia Petiolaris (Manchineel berry) (1805) Image from The Botanical Magazine or Flower Garden Displayed by Francis… Free Image from public domain license 
Rosa Centifolia Anglica Rubra (1817–1824) by Pierre-Joseph Redouté and Henry Joseph Redouté. Original… Free Image from public domain license 
Acrostichum Alienum from Ferns: British and Exotic (1856-1860) by Edward Joseph Lowe. Original from Biodiversity Heritage… Free Image from public domain license 
Rose and its parts (1872) in high resolution by L. Prang & Co. Original from The Library of Congress. Digitally enhanced by… Free Image from public domain license 
Rosa × damascena, Rosebush (Rosa damascena) from Les Roses (1817–1824) by Pierre-Joseph Redouté. Original… Free Image from public domain license 
School and family charts, No. XIX. Botanical: forms of leaves, stems, roots, and flowers (1890) print in high resolution by… Free Image from public domain license 
Columbine, Marigold and Pheasant's Eye from The Language of Flowers, or, Floral Emblems of Thoughts, Feelings, and Sentiments… Free Image from public domain license 
Iris Pumila from The genus Iris by William Rickatson Dykes (1877-1925). Original from The Biodiversity Heritage Library.… Free Image from public domain license 
Floral Designs with a Blue Bird (ca. 1773) by Giacomo Cavenezia. Original from Original from The Cleveland Museum of Art.… Free Image from public domain license 
Plantae Selectae: No. 42–Pulmonaria or Lungworts by Georg Dionysius Ehret. Original from The Cleveland Museum of Art.… Free Image from public domain license 
Flowers (1884) in high resolution by L. Prang & Co. Original from The Library of Congress. Digitally enhanced by rawpixel. Free Image from public domain license 
Seringapatam A Hollyhock (Alcea Rosea) (1815) Image from The Botanical Magazine or Flower Garden Displayed by Francis Sansom.… Free Image from public domain license 
Gordonia pubescens or Franklinia pl. 59 (1819) from The North American Sylva by François André Michaux.… Free Image from public domain license 
Vintage pineapple cut in half illustration. Digitally enhanced illustration from U.S. Department of Agriculture Pomological… Free Image from public domain license 
Plantae Selectae: No. 41–Plumeria by Georg Dionysius Ehret. Original from The Cleveland Museum of Art. Digitally… Free Image from public domain license 
Gold-banded Iris (1812) by Pierre-Joseph Redouté and Henry Joseph Redouté. Original from The Cleveland Museum… Free Image from public domain license 
School and family charts, No. XXI. botanical: economical uses of plants (c.1890) print in high resolution by Marcius Willson… Free Image from public domain license 
Plums (Pyrus) (1807) by George Brookshaw. Original from The Cleveland Museum of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Capucine (nasturtium) from La Plante et ses Applications ornementales (1896) illustrated by Maurice Pillard Verneuil.… Free Image from public domain license 
Aloe Ferox Image from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original from Biodiversity… Free Image from public domain license 
School and family charts, No. XXII. Botanical: economical uses of plants (1890) print in high resolution by Marcius Willson… Free Image from public domain license 
Vintage avocado illustration. Digitally enhanced illustration from U.S. Department of Agriculture Pomological Watercolor… Free Image from public domain license 
Canadian Wild Flowers (1869) Plate V: 1. Lilium Philadelphicum (Wild Orange Red Lily) 2. Campanula Rotundifolia (Harebell)… Free Image from public domain license 
The Boston Sunday Herald (1895–1901) vintage poster of a woman reading a newspaper in art nouveau style in high… Free Image from public domain license 
Cactus Cochenillifer Image from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original from… Free Image from public domain license 
Hummingbird and Passionflowers (ca. 1875–1885) in high resolution by Martin Johnson Heade. Original from The MET… Free Image from public domain license 
Bouquet of Flowers with a Butterfly in high resolution by William van Leen (1763–1825). Original from The Rijksmuseum.… Free Image from public domain license 
Fly, Caterpillar, Pear, and Centipede from Mira Calligraphiae Monumenta or The Model Book of Calligraphy (1561–1596) by… Free Image from public domain license 
A Flowering Cactus: Heliocereus Speciosus (1813) in high resolution by Pierre–Joseph Redouté .Original from the… Free Image from public domain license 
Blackberries (1887) in high resolution by L. Prang & Co. Original from The Library of Congress. Digitally enhanced by… Free Image from public domain license 
Studies van wingerdbladen (1796) in high resolution by Willem van Leen. (Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
Plantae Selectae: No. 37–Yucca by Georg Dionysius Ehret. Original from The Cleveland Museum of Art. Digitally enhanced… Free Image from public domain license 
Geranium (1827) by Pierre-Joseph Redouté and Henry Joseph Redouté. Original from The Cleveland Museum of Art.… Free Image from public domain license 
Terrestrial Mollusk, Poppy Anemone, and Crane Fly from Mira Calligraphiae Monumenta or The Model Book of Calligraphy… Free Image from public domain license 
Maypop (Passiflora incarnata) (1926) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. Free Image from public domain license 
Symphyum Asperrim (Prickley Comfrey) (1806) Image from The Botanical Magazine or Flower Garden Displayed by Francis Sansom.… Free Image from public domain license 
Pontic Rhododendron (Ponticum flower) (1805) by Jean Louis Prévost. Original from The Cleveland Museum of Art.… Free Image from public domain license 
Rambler Rose (Rosa multiflora) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… Free Image from public domain license 
Fruit pattern (1862) by William Morris. Original from The Smithsonian Institution. Digitally enhanced by rawpixel. Free Image from public domain license 
Four fruits pattern (1862) by William Morris. Original from The Smithsonian Institution. Digitally enhanced by rawpixel. Free Image from public domain license 
Camellia: No. 171 from Iconographie du Genre Camellia ou Description et Figures (1839–1843) by Lorenzo Berlèse.… Free Image from public domain license 
Floral Designs with Birds and Griffon (1784) by Giacomo Cavenezia. Original from Original from The Cleveland Museum of Art.… Free Image from public domain license 
A Selection of Hexandrian Plants, belonging to the natural order of Amaryllidae and Liliacae: Tiger Lily (ca.… Free Image from public domain license 
The Rose, the Myrtle and the Ivy from The Language of Flowers, or, Floral Emblems of Thoughts, Feelings, and Sentiments… Free Image from public domain license 
American Waterlily (Castalia odorata) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… Free Image from public domain license 
Dragonfly, Pear, Carnation, and Insect from Mira Calligraphiae Monumenta or The Model Book of Calligraphy (1561–1596)… Free Image from public domain license 
Poisonous mushrooms: Irritating poisons (1840–1850) print in high resolution by George Edward Madeley. Original from… Free Image from public domain license 
Arenaria Balearica Image from Stirpes Novae aut Minus Cognitae (1784) by Pierre-Joseph Redouté and Charles Louis… Free Image from public domain license 
Folly or Saintliness (1895) vintage poster of a woman with flowers in high resolution by Ethel Reed. Original from Library of… Free Image from public domain license 
Design for a Woven Fabric (ca. 1775–1800) in high resolution. Original from The Smithsonian. Digitally enhanced by… Free Image from public domain license 
Polypodium Lycopodioides from Ferns: British and Exotic (1856-1860) by Edward Joseph Lowe. Original from Biodiversity… Free Image from public domain license 
Plantae Selectae: No. 38 by Georg Dionysius Ehret. Original from The Cleveland Museum of Art. Digitally enhanced by rawpixel. Free Image from public domain license 
Basil Thyme, Poppy Anemone, and Myrtle from Mira Calligraphiae Monumenta or The Model Book of Calligraphy (1561–1596)… Free Image from public domain license 
Boeket van tulpen, viooltjes, blauwe druifjes en dotters (ca. 1763–1825) in high resolution by Willem van Leen.… Free Image from public domain license 
Branch pattern (1872) by William Morris. Original from The Smithsonian Institution. Digitally enhanced by rawpixel. Free Image from public domain license 
Mexican Poppy (Eschscholtzia mexicana) (1927) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… Free Image from public domain license 
Still Life with Flowers in a Greek Vase: Allegory of Spring (1817) by Georgius Jacobus Johannes van Os. Original from The… Free Image from public domain license 
The Dark Veinlet from The Butterflies and Moths of America Part 3 (1862) published by Louis Prang & Co. Original from The MET… Free Image from public domain license 
Gedaanteverwisseling van de nachtpauwoog (1679) by Maria Sibylla Merian. Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
Apples (Malus Domestica) (1908) by
Amanda Almira Newton. Original from U.S. Department of Agriculture Pomological Watercolor… Free Image from public domain license 
Eight Beautiful Groups of Natural Flowers in Outlines by de la Cour: Tulips (1770) by Robert Sayer. Original from The… Free Image from public domain license 
Lilies no. 5 (1886) in high resolution by L. Prang & Co. Original from The Library of Congress. Digitally enhanced by… Free Image from public domain license 
Beautiful photomechanical prints of Lotus Flowers (1887–1897) by Ogawa Kazumasa. Original from The Rijksmuseum.… Free Image from public domain license 
Group of Flowers (1881) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. Free Image from public domain license 
Flower Study (1886) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. Free Image from public domain license 
Branch of peach (Prunus Persica) (1904) by anonymous. Original from U.S. Department of Agriculture Pomological Watercolor… Free Image from public domain license 
Willow pattern (1874) by William Morris. Original from The Smithsonian Institution. Digitally enhanced by rawpixel. Free Image from public domain license 
Fantastic flower motif from "Nouvelle Suitte de Cahiers de fleurs idéales" by Jean–Baptiste Pillement… Free Image from public domain license 
Camellia: No. 194 from Iconographie du Genre Camellia ou Description et Figures (1839–1843) by Lorenzo Berlèse.… Free Image from public domain license 
Sakura cherry during 1870–1880 by Megata Morikaga. Original from Library of Congress. Digitally enhanced by rawpixel. Free Image from public domain license 
Gayo matsu pine during 1870–1880 by Megata Morikaga. Original from Library of Congress. Digitally enhanced by rawpixel. Free Image from public domain license 
Nandina bush with berries during 1870–1880 by Megata Morikaga. Original from Library of Congress. Digitally enhanced… Free Image from public domain license 
Autumn Leaves (1874) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. Free Image from public domain license 
Greendragon (Arisaema dracontium) (1920) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. Free Image from public domain license 
Gymnogramma Chrysophylla from Ferns: British and Exotic (1856-1860) by Edward Joseph Lowe. Original from Biodiversity… Free Image from public domain license 
Chard Leaves and Red Winged Grasshopper from Mira Calligraphiae Monumenta or The Model Book of Calligraphy (1561–1596)… Free Image from public domain license 
Matilija Poppy (Romneya coulteri) (1931) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel. Free Image from public domain license 
Plantae Selectae: No. 46–Tacamahaca or Balsam Poplar by Georg Dionysius Ehret. Original from The Cleveland Museum of… Free Image from public domain license 
Floral Designs with Two Birds (1774) by Giacomo Cavenezia. Original from Original from The Cleveland Museum of Art. Digitally… Free Image from public domain license 
Orchideae–Denusblumen / A. Giltsch, gem from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of… Free Image from public domain license 
Capucine (nasturtium) from La Plante et ses Applications ornementales (1896) illustrated by Maurice Pillard Verneuil.… Free Image from public domain license 
Wind Poppy (Stylomecon heterophylla) (1926) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by… Free Image from public domain license 
Chrysanthemums (1882) by Claude Monet, high resolution famous painting. Original from The MET. Digitally enhanced by… Free Image from public domain license 
Black Prince Grape (Cinsaut) (1809) by George Brookshaw. Original from The Cleveland Museum of Art. Digitally enhanced by… Free Image from public domain license 
Aloe Rhodacantha (Aloe Glauca Miller) from Histoire des Plantes Grasses (1799) by Pierre-Joseph Redouté. Original from… Free Image from public domain license 
Blue Bottle, Dog Rose and Garden Anemone from The Language of Flowers, or, Floral Emblems of Thoughts, Feelings, and… Free Image from public domain license