[2] In mixed languages, there are no superstrates or substrates, but instead two or more adstrates.
One adstrate still contributes the majority of the lexicon in most cases, and would be considered the lexifier.
[1] Often the autoglossonym, or the name the speakers give their contact language, is written Broken + Lexifier, e.g.
Hence, the names are as stated above in the literature to reduce this confusion.
[1] The word lexifier is derived from the modern Latin word lexicon, meaning a catalogue of the vocabulary or units in a given language.