Palms (Topical Term)

Web. 3 (palm family, Palmae)

Random House (palm family, the plant family Palmae (or Arecaceae; formerly Palmaceae))

Britannica Macro.: v. 13, p. 633 (Arecales, order; one family Arecaceae (often called Palmae))

Benson, L. Plant classification: p. 416 (Palmales)