Leeuwenb. 1958 - Leeuwenberg AJM (1958) THE GESNERIACEAE OF GUIANA A CRITICAL REVISION WITH NOTES ON SPECIES FROM ADJACENT REGIONS. Acta Botanica Neerlandica 7(3): 291-435. doi: 10.1111/j.1438-8677.1958.tb00624.x.
There is no corrections for Lembocarpus amoenus yet.