Slot Canyons. Gently carved from the Navajo sandstone over the course of countless millenniums. Original image from Carol M.… Free Image from public domain license 
A lithograph of Cocos Weddelliana from the book, L'Illustration Horticole: Revue Mensuelle Des Serres et Des Jardins (1875)… Free Image from public domain license 
The Queen–Plant from The Temple of Flora (1807) by Robert John Thornton. Original from Biodiversity Heritage Library.… Free Image from public domain license 
Laurel Tree (Magnolia altissima) from The Natural History of Carolina, Florida, and the Bahama Islands (1754) by Mark Catesby… Free Image from public domain license 
The Sacred Egyptian Bean from The Temple of Flora (1807) by Robert John Thornton. Original from Biodiversity Heritage… Free Image from public domain license 
Leaf pattern from Bijutsu Sekai (1893-1896) by Watanabe Seitei, a prominent Kacho-ga artist. Digitally enhanced from our own… Free Image from public domain license 
Blue marigold illustration wall art print and poster design remix from original artwork by William Morris. Free Image from public domain license 
Pink and Rose by William Morris (1834-1896). Original from The MET Museum. Digitally enhanced by rawpixel. Free Image from public domain license 
Tropical tree from Manual Of Geology, Treating Of The Principles Of The Science With Special Reference To American Geological… Free Image from public domain license 
Vintage European style palm tree engraving by James Dwight Dana (1875). Original from the British Library. Digitally enhanced… Free Image from public domain license 
Palm tree from Our Knowledge Of The Earth. General Geography And Area Studies, Edited Under The Expert Assistance Of A.… Free Image from public domain license 
Vintage Victorian style palm tree engraving. Original from the British Library. Digitally enhanced by rawpixel. 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… Free Image from public domain license 
Balsam Tree (Cenchramidea Arbor) from The natural history of Carolina, Florida, and the Bahama Islands (1754) by Mark Catesby… Free Image from public domain license 
