Contribution a la connaissance de la flore carbonifère des pyrénñees basques (Larroun et Ibantelly)
Abstract
In this work we descrive fossil plants collected in Piri- neos mountains. Here are classified 33 species of which thirteen lias been stated in the coaldfield for first time. The coaldfield is dated as the upper Stephanian B or as the low Stepha- nian C.