The original description is here.

A hybrid between Aylostera deminuta (grandiflora) and Aylostera aureiflora WR158.

Not yet named. Collected by Erich Haugg in Bolivia. May be a form of A. steinmannii.

Not yet named. Collected by Ladislav Horáček at Questa da Sama, Tarija, Bolivia.

Provisional name. May be a form of A. diersiana with more gold / orangey yellow flowers, with purple tips to

Name not accepted; thought to be a variety of A. fiebrigii.

Name not accepted; thought to be a form of the very variable A. steinmannii with more ribs than usual and