Clematis sp. (Clematis) from the Cooper Hewitt Smithsonian Museum, Drawing, Printed Textile Design by Louis-Albert DuBois (Swiss, 1752–1818), Museum purchase from Friends of the Museum Fund, 1800-1818
Clematis sp. (Clematis) photo, no machine-readable author provided. Schatir assumed (based on copyright claims), Public domain, via Wikimedia Commons
Clematis sp. (Clematis) from Curtis's Botanical Magazine, vol. 22, pl. 834, 1805