Blad van een eik (1853) by Alois Auer and k k Hof und Staatsdruckerei https://www.rawpixel.com/image/13735217/blad-van-een-eik-1853-alois-auer-and-hof-und-staatsdruckereiFree Image from public domain licenseNature Print of Moonwort and Adder's Tongue Ferns, plate 51 from The Ferns of Great Britain and Ireland by Henry Bradbury https://www.rawpixel.com/image/8974728/image-paper-flower-plantFree Image from public domain licenseOak (Quercus species): six leaves showing large variation in size. Colour nature print by A. Auer, c. 1853. https://www.rawpixel.com/image/13954064/image-plant-medicine-treeFree Image from public domain licenseThe Genius of Lithography, from Alois Senefelder’s L’Art de la lithographie by Nicolas Henri Jacob https://www.rawpixel.com/image/8988257/image-paper-cartoon-frameFree Image from public domain licenseFour rows of leaves of varying form, including some of holly (Ilex species) and willow (Salix species). Colour nature print… https://www.rawpixel.com/image/13964671/image-plant-grass-medicineFree Image from public domain licenseGothic Church Behind an Oak Grove with Tombs by Karl Friedrich Schinkel https://www.rawpixel.com/image/8970210/gothic-church-behind-oak-grove-with-tombs-karl-friedrich-schinkelFree Image from public domain licenseVintage ember carrier illustration vector, remixed from the artwork by Alois E. Ulrich https://www.rawpixel.com/image/3414109/premium-illustration-vector-alois-ulrich-antique-artView licenseShaker Barometer (ca.1937) by Alois E. Ulrich. Original from The National Gallery of Art. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3379228/free-illustration-image-alois-ulrich-antique-artFree Image from public domain licenseA group of lower plants, including mosses, liverworts and lichens. Colour nature print by A. Auer, c. 1853. https://www.rawpixel.com/image/13956551/image-plant-art-leafFree Image from public domain licenseVintage ember carrier png illustration, remixed from the artwork by Alois E. Ulrich https://www.rawpixel.com/image/3404626/free-illustration-png-alois-ulrich-antique-artView licenseTwo entire flowering plants, a yellow crocus (Crocus species) and a herb Paris (Paris quadrifolia). Colour nature print by… https://www.rawpixel.com/image/13966807/image-flower-plant-artFree Image from public domain licenseTwo flowering plants, including a daffodil (Narcissus species) and a liliaceous plant. Colour nature print by A. Auer, c.… https://www.rawpixel.com/image/13965619/image-flower-plant-grassFree Image from public domain licenseEmber Carrier (1935–1942) by Alois E. Ulrich. Original from The National Gallery of Art. Digitally enhanced by… https://www.rawpixel.com/image/3358570/free-illustration-image-alois-ulrich-antique-artFree Image from public domain licenseFour flowering plants, including a cowslip (Primula veris), comfrey (Symphytum officinale) and a bulrush (Scirpus species).… https://www.rawpixel.com/image/13953603/image-flower-plant-grassFree Image from public domain licenseThe male fern (Dryopteris filix-mas): fronds and part of rhizome. Colour nature print by A. Auer, c. 1853. https://www.rawpixel.com/image/13962052/image-plant-tree-artFree Image from public domain licenseFive plants, including a grass, a sedge and a plant of the Boraginaceae family. Colour nature print by A. Auer, c. 1853. https://www.rawpixel.com/image/13958170/image-flower-plant-grassFree Image from public domain licenseThree flowering plants, including common heather (Calluna vulgaris) and an orchid (Orchidaceae species). Colour nature print… https://www.rawpixel.com/image/13960397/image-flower-plant-grassFree Image from public domain licenseEntrée de l'eglise du St. Sépulcre. by Louis Jacques Mandé Daguerre https://www.rawpixel.com/image/14255868/entree-leglise-st-sepulcre-louis-jacques-mande-daguerreFree Image from public domain licenseVintage ember carrier psd illustration, remixed from the artwork by Alois E. Ulrich https://www.rawpixel.com/image/3403413/premium-illustration-psd-alois-ulrich-antique-artView licenseThree liliaceous flowering plants, including lily of the valley (Convallaria majalis) and whorled Solomon's seal… https://www.rawpixel.com/image/13992746/image-flower-plant-grassFree Image from public domain licenseA mass of filamentous green algae, possibly a Spirogyra species. Colour nature print by A. Auer, c. 1853. https://www.rawpixel.com/image/13972028/image-plants-person-artFree Image from public domain licenseAlois Michael Mayer. Line engraving by G. Leybold after C. Leybold. https://www.rawpixel.com/image/14006518/alois-michael-mayer-line-engraving-leybold-after-leyboldFree Image from public domain licenseGeschoten auerhoen (1855) by anonymous, Alois Auer and Matthias Johann Ranftl https://www.rawpixel.com/image/13759733/geschoten-auerhoen-1855-anonymous-alois-auer-and-matthias-johann-ranftlFree Image from public domain licenseA group of mosses, in eight separate clumps. Colour nature print by A. Auer, c. 1853. https://www.rawpixel.com/image/14009052/image-background-flower-plantFree Image from public domain licenseTwo different mosses: five clumps of which three have slender stalked sporophytes. Colour nature print by A. Auer, c. 1853. https://www.rawpixel.com/image/13975869/image-flower-plant-grassFree Image from public domain licenseSaint Andrew. Line engraving by A. Petrak after M. Schongauer. https://www.rawpixel.com/image/13973573/saint-andrew-line-engraving-petrak-after-schongauerFree Image from public domain licenseMicroscopische opname van een insect (1853) by anonymous and Alois Auer https://www.rawpixel.com/image/13758442/microscopische-opname-van-een-insect-1853-anonymous-and-alois-auerFree Image from public domain licenseFive flowering plants, including a sedge (Carex species) and stemless gentian (Gentiana acaulis). Colour nature print by A.… https://www.rawpixel.com/image/13984901/image-flower-plant-grassFree Image from public domain license