The species is placed as a subspecies of Taraxacum palustre by some references (e.g., the Global Compositae Database). The species epithet is spelt 'lithophyllum' by Anthos (2022).

The information available is not adequate to assess the conservation status of the species and it is therefore classed as Data Deficient. The precise location from which the only known specimen was collected in 1970 is not known.

This species appears to be known only from the type specimen, collected in 1970 in northern Spain (De Langhe and Soest 1972). It is endemic to the Pyrenees, however, the exact location from which the only known specimen was collected is unclear, although De Langhe and Soest (1972) give the locality as the "Aigües Tortes National Park, Prov. Lérida" (= Aigüestortes i Estany de Sant Maurici National Park).

There is no information on population size or trends in this species.

The only known specimen of this species was collected from wet, more or less marshy grassland alongside a stream ("pelouse humide, plus ou moins marecageuse, le long d'un torrent").

There is no information available on threats to this species.

There is no information on the use or trade of this species.

There is no information on the conservation requirements of this species. There is a need to document known populations to enable an informed assessment of its conservation status. Confirmation of the taxonomic placement of the taxon is required.