You have requested access to download the full text of the source (SourceID: 490232):
Beauger, A.; Allain, E.; Voldoire, O.; Blavignac, C.; Rossi, S.; Wetzel, C. E.; Ector, L. (2022). Gomphosphenia vallei (Bacillariophyta), a new diatom species from a stream in the “Réserve Naturelle Nationale de la Vallée de Chaudefour”, Massif Central (France). Phytotaxa. 542(2).