A common species which is not a forestry nemoral one but is
located in clearings, sparse forests and especially in the
vegetation of the forest edges (class Trifolio-Geranietea).
Nonetheless it is not rare in mesic grasslands like in the images
below.
Boj Catun - Straja, Cluj county, in the mesic grasslands of the
meadows from Straja Mare Hill. June 2010.