Lourteig 1954 - Schultes RE (1954) PLANTAE AUSTRO-AMERICANAE IX: PLANTARUM NOVARUM VEL NOTABILIUM NOTAE DIVERSAE. Botanical Museum Leaflets, Harvard University 16: 179-228. Retrieved from http://www.jstor.org/stable/41762153
There is no corrections for Cuphea stygialis yet.