• Parsonsia P. Browne, 1756 accepted as Cuphea P. Browne, 1756 [Family: Lythraceae]
• Parsonsia R. Brown, 1810 [Family: Apocynaceae]
• Parsonsia balsamona (Cham. & Schlecht.) Standl. accepted as Cuphea carthagenensis (Jacq.) J.F. Macbr.
• Parsonsia lythroides Small accepted as Cuphea aspera Chapman
• Parsonsia micrantha (Kunth) Jennings accepted as Cuphea micrantha Kunth
• Parsonsia parsonsia (L.) Britt. accepted as Cuphea parsonsia (L.) R. Br. ex Steud.
• Parsonsia petiolata (L.) Rusby accepted as Cuphea viscosissima Jacq.
• Parsonsia procumbens (Ortega) Heller accepted as Cuphea procumbens Ortega
• Parsonsia wrightii (Gray) Kearney accepted as Cuphea wrightii Gray