Aspidothelium lueckingii is a species of corticolous (bark-dwelling) lichen in the family Thelenellaceae. Found in mountainous cloud forests in Bolivia, it was formally described in 2009 by lichenologist Adam Flakus. The type specimen was collected near Incachaca village (Chapare Province) at an elevation of 2317m (7,602feet), where it was found growing on the bark of a pine tree. It is known only from the type locality. It is named in honour of German lichenologist Robert Lücking, "for his magnificent contribution to the knowledge of tropical lichens".
Characteristics of the lichen include its pale with seta-like appendages and large, regularly ascospores. Aspidothelium lueckingii has a thin and smooth, green to greyish-green thallus with an irregular shape and an translucent, indistinct . It has a photobiont partner, with green cells measuring 6–14 μm in diameter.