The Nodding Renealmia, Renealmia Nutans by Robert John Thornton

Agave or American Aloe by Robert John Thornton - 1807

Tulips by Robert John Thornton - 1807

A Group of Auriculars by Robert John Thornton - 1807

The Snowdrop by Robert John Thornton - 1807

Cupid Inspiring Plants with Love by Robert John Thornton - 1807

Hotels Seiler, Zermatt by François Gos (1880-1942) - c.1930

Hotels Seiler, Zermatt by François Gos - c.1930

Coquette by Arthur F. Kales - c.1920

Roses by Tina Modotti, Mexico - 1924

Calla Lily by Tina Modotti - 1924-26

Pink Flowers with Yellow Hearts, Blue Vase by Louis Valtat - 1913

A Girl with Sunflowers (detail) by Michael Ancher - 1889

Untitled (On the Viewing of Flowers and Trees Series) by Hilma af Klint - 1922

Intermediate Stages of Bloom by William Sharp - 1854

White Flowers by Charles Goy from Art Gout Beaute, 1929 - Wrapping Paper

Female Nude with Flowers by Hashiguchi Goyô - c. 1915

Jenny and Genevieve by Florine Stettheimer - c.1915

Florine Stettheimer Self Portrait - 1915

Florine Stettheimer, Birthday Bouquet (Flowers with Snake) - 1932

Almond Blossom by Vincent van Gogh - 1890

Springtime of Flight by Tirzah Garwood - 1950

Red Amaryllis with Blue Background by Piet Mondrian - c. 1907