1Bernard McMahon to Thomas Jefferson, 28 February 1812 (Jefferson Papers)
of a beautiful Polyanthus
2Bernard McMahon to Thomas Jefferson, 1 December 1812 (Jefferson Papers)
A section on “Sowing Auricula, Polyanthus, and Cyclamen seeds” in
3TJ: List of Flowers, 31 May 1806 (Jefferson Papers)
PolyanthusPolyanthus Sep. or Oct. take up & replant