Desmidiea–Bierdinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2272225/free-illustration-image-ernst-haeckel-scientific-art-forms-nature Free Image from public domain license
Pear, Pyrus communis from Traité des Arbres et Arbustes que l'on cultive en France en pleine terre (1801–1819)… https://www.rawpixel.com/image/569361/vintage-pear-fruit-drawing Free Image from public domain license
Siphonophorae–Staatsquallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2268078/free-illustration-image-ernst-haeckel-sea-century Free Image from public domain license
Spirobranchia–Spiralkiemer from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272992/free-illustration-image-ernst-haeckel-spirobranchia-marine-life Free Image from public domain license
Calcispongiae–Kalkschwämme from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2273215/free-illustration-image-ernst-haeckel-sea-sponge Free Image from public domain license
Discoidea–Scheiben-Strahlinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272227/free-illustration-image-ernst-haeckel-vintage-marine-life Free Image from public domain license
Top of column. Digitally enhanced from our own 19th Century Grammar of Ornament by Owen Jones. https://www.rawpixel.com/image/277676/free-illustration-image-antique-owen-jones-ornament Free Image from public domain license
Masked woman (Gemaskerde vrouw) (c.1899) print in high resolution by Samuel Jessurun de Mesquita. Original from The… https://www.rawpixel.com/image/2700438/free-illustration-image-mask-simple-1800s-public-domain Free Image from public domain license
The Head of John the Baptist, on a Pillar by Odilon Redon (ca. 1890). Original from the Rijksmuseum. Digitally enhanced by… https://www.rawpixel.com/image/599276/artwork-odilon-redon Free Image from public domain license
Platodes–Plattentiere from Kunstformen der Natur (1904) by by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272989/free-illustration-image-ernst-haeckel-sea-art Free Image from public domain license
Balsam poplar (Populus balsamifera) from Traité des Arbres et Arbustes que l’on cultive en France en pleine… https://www.rawpixel.com/image/568146/balsam-poplar-tree Free Image from public domain license
Profile of Light (1886) by Odilon Redon. Original from the National Gallery of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/599334/profile-light-odilon-redon Free Image from public domain license
Andean cock-of-the-rock from Histoire Naturelle des Oiseaux de Paradis et Des Rolliers (1806) by Jacques Barraband (1767… https://www.rawpixel.com/image/328489/free-illustration-image-bird-cock-rocks-andean-rock Free Image from public domain license
Vintage pear illustration. Digitally enhanced illustration from U.S. Department of Agriculture Pomological Watercolor… https://www.rawpixel.com/image/2297931/free-illustration-image-pear-vintage-botanical Free Image from public domain license
Tree from La Botanique de J. J. Rousseau by Pierre-Joseph Redouté (1759–1840). Original from the Library of… https://www.rawpixel.com/image/573957/vintage-tree-drawing Free Image from public domain license
Italian Damask Rose, also known as the Four Seasons of Italy (Rosa damascena Italica) from Les Roses (1817–1824) by… https://www.rawpixel.com/image/574530/italian-damask-rose Free Image from public domain license
Mycetozoa–Pilztiere from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2273232/free-illustration-image-mushroom-vintage-mold Free Image from public domain license
Arachnida–Spinnentiere from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272420/free-illustration-image-spider-vintage-haeckel Free Image from public domain license
Ara Canga from Natural History of Parrots (1801—1805) by Francois Levaillant. Original from the Biodiversity Heritage… https://www.rawpixel.com/image/554810/ara-macao-vintage-poster Free Image from public domain license
Siphoneae–Riesen Algetten from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272304/free-illustration-image-seaweed-mushroom-algae Free Image from public domain license
Rosa alba flore pleno, also known as Ordinary White Rose from Les Roses (1817–1824) by Pierre-Joseph Redouté.… https://www.rawpixel.com/image/574562/blooming-white-rose Free Image from public domain license
Three Grecian heads from An illustration of the Egyptian, Grecian and Roman costumes by Thomas Baxter… https://www.rawpixel.com/image/420963/free-illustration-image-greek-mythology-romans Free Image from public domain license
Chiroptera–Fledertiere from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272418/free-illustration-image-bat-ernst-haeckel-plague Free Image from public domain license
Comon lilac (Lilac vulgaris) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568181/common-lilac-plant Free Image from public domain license
Lacertilia–Eidechlen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2267770/free-illustration-image-ernst-haeckel-lizard Free Image from public domain license
Date palm (Phoenix dactylifera) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568634/date-palm-tree Free Image from public domain license
Florideae–Rotalgen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2271142/free-illustration-image-ernst-haeckel-algae-sea Free Image from public domain license
Creeping willow (Salix arenaria) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568328/creeping-willow-plant Free Image from public domain license
Celsiana, Damask Rose (Rosa damascena celsiana) from Les Roses (1817–1824) by Pierre-Joseph Redouté. Original… https://www.rawpixel.com/image/574508/pink-damask-rose Free Image from public domain license
French rose (Rosa gallica) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/569471/apothecarys-rose-poster Free Image from public domain license
Axminster carpet from the Industrial arts of the Nineteenth Century (1851-1853) by Sir Matthew Digby wyatt (1820-1877). https://www.rawpixel.com/image/329568/free-illustration-image-carpet-sir-matthew-digby-wyatt-pattern Free Image from public domain license
Hexacoralla–Sechsstrahlige Sternkorallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of… https://www.rawpixel.com/image/2266756/free-illustration-image-coral-under-stars-haeckel Free Image from public domain license
Chelonia–Schildkröten from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2266722/free-illustration-image-turtle-animals-tortoise Free Image from public domain license
Ever-blowing rose (Rosa semperflorens) from Traité des Arbres et Arbustes que l’on cultive en France en pleine… https://www.rawpixel.com/image/569391/pink-roses Free Image from public domain license
Chaetopoda–Borstenwürmer from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2268368/free-illustration-image-ernst-haeckel-sea Free Image from public domain license
Turnip Roses, Rosa rapa from Les Roses (1817–1824) by Pierre-Joseph Redouté. Original from the Library of… https://www.rawpixel.com/image/574628/vintage-turnip-rose-poster Free Image from public domain license
Norway spruce, Abies vulgaris from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568964/norwegian-spruce-tree Free Image from public domain license
Rhododendron ponticum from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568116/pink-rhododendron-flower Free Image from public domain license
Rosa centifolia anemonoides, also known asThe Anemone Centuries from Les Roses (1817–1824) by Pierre-Joseph… https://www.rawpixel.com/image/574432/vintage-pink-rose-poster Free Image from public domain license
French hydrangea (Hortensia opuloides) from Traité des Arbres et Arbustes que l’on cultive en France en pleine… https://www.rawpixel.com/image/568240/french-hydrangea-poster Free Image from public domain license
Phaeodaria–Rohrstrahlinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272995/free-illustration-image-ernst-haeckel-sea Free Image from public domain license
Rosa turbinata, also known as Rose of Frankfurt from Les Roses (1817–1824) by Pierre-Joseph Redouté. Original… https://www.rawpixel.com/image/574467/pink-francfort-rose Free Image from public domain license
Ostraciontes–Kofferfilche from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272403/free-illustration-image-fish-vintage-haeckel Free Image from public domain license
Trachomedusae–Kolbenquallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272230/free-illustration-image-jellyfish-haeckel-sea Free Image from public domain license
Carnation Petalled Variety of Cabbage Rose also known as Rose bush (Rosa Centifolia Caryophyllea) from Les Roses… https://www.rawpixel.com/image/574502/vintage-pink-rosebush-poster Free Image from public domain license
Mountain ash (Sorbus aucuparia) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568339/mountain-ash-plant Free Image from public domain license
Ascomycetes–Schlauchpilze from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272994/free-illustration-image-fungi-haeckel-sea Free Image from public domain license
Crenate-Leaved Cabbage Rose, Rosa centifolia crenata from Les Roses (1817–1824) by Pierre-Joseph Redouté.… https://www.rawpixel.com/image/574579/pink-provence-rose Free Image from public domain license
Death and the Woman (1894) by Edvard Munch. Original from The Art Institute of Chicago. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2055365/artwork-edvard-munch Free Image from public domain license
Figs (Ficus) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre (1801–1819) by… https://www.rawpixel.com/image/568818/fresh-figs-tree Free Image from public domain license
Decoration of Cornices from Histoire de l'art égyptien (1878) by Émile Prisse d'Avennes. Original from The New… https://www.rawpixel.com/image/421092/free-illustration-image-egypt-egyptian-ancient Free Image from public domain license
Nudibranchia–Nacktkiemen Schnecken from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of… https://www.rawpixel.com/image/2272389/free-illustration-image-ernst-haeckel-sea Free Image from public domain license
Morning-glory from La Botanique de J. J. Rousseau by Pierre-Joseph Redouté (1759–1840). Original from the… https://www.rawpixel.com/image/573974/morning-glory-flower-bloom Free Image from public domain license
Rosa bifera macrocarpa also known as Lelieur's Four Seasons Rose from Les Roses (1817–1824) by Pierre-Joseph… https://www.rawpixel.com/image/574656/pink-rose-bloom Free Image from public domain license
Silver-Flowered Hispid Rose, Rosa hispida argentea from Les Roses (1817–1824) by Pierre-Joseph Redouté.… https://www.rawpixel.com/image/574558/hispid-rose-bloom Free Image from public domain license
Glycine (wisteria) from La Plante et ses Applications ornementales (1896) illustrated by Maurice Pillard Verneuil. Original… https://www.rawpixel.com/image/2415280/free-illustration-image-pattern-wisteria-maurice-pillard Free Image from public domain license
Agatha rose, also known as Rosa gallica-Agatha, Var. Regalis from Les Roses (1817–1824) by Pierre-Joseph… https://www.rawpixel.com/image/574475/pink-agatha-rose Free Image from public domain license
Giraffe from Johnson's household book of nature (1880) by John Karst (1836-1922). https://www.rawpixel.com/image/325110/free-illustration-image-giraffe-jungle-forest Free Image from public domain license
Discomedusae–Scheibenquallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2266738/free-illustration-image-jellyfish-sea-art-forms-nature Free Image from public domain license
Polycyttaria–Vereins-Strahlinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272311/free-illustration-image-ernst-haeckel-radiation Free Image from public domain license
Grape vine, Vitis vinifera from Traité des Arbres et Arbustes que l'on cultive en France en pleine terre… https://www.rawpixel.com/image/569641/blue-grape-cluster Free Image from public domain license
Ever-blowing Rose (Rosa semper florens) from Traité des Arbres et Arbustes que l’on cultive en France en pleine… https://www.rawpixel.com/image/569260/pink-wild-rose Free Image from public domain license
Ctenophorae–Kammquallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2273542/free-illustration-image-ernst-haeckel-jellyfish Free Image from public domain license
Scarlet geranium (Geranium inquinans) from Traité des Arbres et Arbustes que l’on cultive en France en pleine… https://www.rawpixel.com/image/569487/scarlet-geranium-plant Free Image from public domain license
Flower set from La Botanique de J. J. Rousseau by Pierre-Joseph Redouté (1759–1840). Original from the Library… https://www.rawpixel.com/image/573913/blooming-mixed-flowers Free Image from public domain license
Coniferae–Bapfenbäume from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272369/free-illustration-image-pine-cone Free Image from public domain license
Aspidonia–Schildtiere from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2272991/free-illustration-image-ernst-haeckel-biology-jellyfish Free Image from public domain license
Decapoda–Behnfukkreble from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2267771/free-illustration-image-shrimp-sea-haeckel Free Image from public domain license
Tetracoralla–Bierstrahlige Sternkorallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of… https://www.rawpixel.com/image/2272988/free-illustration-image-ernst-haeckel-beer-coral Free Image from public domain license
Blastoïdea–Knospensterne from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272982/free-illustration-image-haeckel-stars-vintage-marine-life Free Image from public domain license
Lily and crown pattern. Digitally enhanced from our own original first edition of The Practical Decorator and Ornamentist… https://www.rawpixel.com/image/262828/free-illustration-image-crown-medieval-pattern Free Image from public domain license
Medieval pattern. Digitally enhanced from our own original first edition of The Practical Decorator and Ornamentist (1892)… https://www.rawpixel.com/image/262803/free-illustration-image-medieval-ornaments-ancient-pattern Free Image from public domain license
Ventenat's Rose, also known as Rose Bush (Rosa ventenatiana) from Les Roses (1817–1824) by Pierre-Joseph… https://www.rawpixel.com/image/574408/ventenat-rose-bloom Free Image from public domain license
Diatomea–Schachtellinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2271896/free-illustration-image-ernst-haeckel-algae Free Image from public domain license
Agatha rose, also known as Rosa gallica-Agatha, Var. Prolifera from Les Roses (1817–1824) by Pierre-Joseph… https://www.rawpixel.com/image/574412/pink-agatha-rose Free Image from public domain license
Siphonophorae–Staatsquallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272318/free-illustration-image-jellyfish-ernst-haeckel-sea Free Image from public domain license
Siphonophorae–Staatsquallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272219/free-illustration-image-ernst-haeckel-jellyfish Free Image from public domain license
Crytoidea–Flaschenstrahlinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272986/free-illustration-image-haeckel-vintage-marine-life Free Image from public domain license
Filicinae–Laubfarne from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2272292/free-illustration-image-fern-tree-life-sea Free Image from public domain license
Spumellaria–Schaumstrahlinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272984/free-illustration-image-ernst-haeckel-sea-century Free Image from public domain license
Paper birch, Betula excelsa from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568394/paper-birch-tree Free Image from public domain license
Echinidea–Igelsterne from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2272987/free-illustration-image-ernst-haeckel-sand-dollar-vintage Free Image from public domain license
Diatomea–Schachtellinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2268489/free-illustration-image-algae-haeckel-vintage-art Free Image from public domain license
Echinidea–Igelsterne from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress. Digitally… https://www.rawpixel.com/image/2270508/free-illustration-image-haeckel-kunstformen-der-natur-echinidea-poster Free Image from public domain license
Cape African-queen, Malva virgata from Traité des Arbres et Arbustes que l'on cultive en France en pleine terre… https://www.rawpixel.com/image/569412/cape-african-queen-flowers Free Image from public domain license
Flower set from La Botanique de J. J. Rousseau by Pierre-Joseph Redouté (1759–1840). Original from the Library… https://www.rawpixel.com/image/573775/various-flowers-bloom Free Image from public domain license
Sertulariae–Reihenpolnpen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2273538/free-illustration-image-sea-vintage-haeckel Free Image from public domain license
Trout Flies. Digitally enhanced from our own original 1892 edition of Favorite Flies and Their Histories by Mary Orvis… https://www.rawpixel.com/image/401785/free-illustration-image-fly-fishing-orvis-fish Free Image from public domain license
Pear fruit from La Botanique de J. J. Rousseau by Pierre-Joseph Redouté (1759–1840). Original from the Library… https://www.rawpixel.com/image/574028/pear-branch Free Image from public domain license
Campanariae–Glockenpolnpen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272355/free-illustration-image-animals-vintage-sea-biology Free Image from public domain license
Phaeodaria–Rohrstrahlinge from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2271894/free-illustration-image-ernst-haeckel-radiolaria Free Image from public domain license
Amphoridea–Urnensterne from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272996/free-illustration-image-ernst-haeckel-biology-marine Free Image from public domain license
Robinia rosea (Robinier rose) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/567914/robinier-rose-bloom Free Image from public domain license
Renaissance pattern. Digitally enhanced from our own original first edition of The Practical Decorator and Ornamentist… https://www.rawpixel.com/image/262814/free-illustration-image-renaissance-public-domain-the-practical-decorator-and-ornamentist Free Image from public domain license
Pennatulida–Federkorallen from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2273628/free-illustration-image-feather-coral-sea Free Image from public domain license
Pistachio (Pistaccia vera) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568460/pistachio-plant Free Image from public domain license
Cystoidea–Beutelsterne from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2266723/free-illustration-image-ernst-haeckel-poster Free Image from public domain license
Hexactinellae–Glasschwämme from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272343/free-illustration-image-ernst-haeckel-sea-sponge-glass Free Image from public domain license
Redcurrant (Ribes rubrum) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568548/redcurrant-plant Free Image from public domain license
Thoracostraca–Panzerkrebse from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2270305/free-illustration-image-art-forms-nature-vintage-art-life Free Image from public domain license