Signed and dated in pen and ink at lower right: G.D. Ehret pinxit / 1760.
Inscirbed in red and black inks at lower right with decorative scroll: MIMOSA. Lin. / ACACIA India Farnesiana. / Ald. farnes.
One of 73 drawings of ferns, flowers, and fungi by Ehret (1978.8:1-73).
Portland, Margaret Cavendish Holles Harley Bentinck, Duchess of, 1715-1785, former owner.
Walker, Elizabeth, former owner.
Ford, John Walker, former owner.
Kraus, Hans Peter, 1907-1988, former owner.