Specimen of solid Corydalis (solid colombina or solid coridalide) collected in Saint-Usage (France, Aube district), at the edge of the wood of "Val de la Coupe Madame", at an altitude of 300 m, on calcareous soil, together with Anemone ranunculoides, Mercurialis perennis, Scilla bifolia, Daphne laureola, D. mezereum on 10 April 1986. The specimen is kept in the Herbarium of the Société pour l'échange de plantes vasculaires de l'Europe et du bassin méditerranéen.