Epipactis fibri's name comes from beavers - Castor fiber (Linne) - particularly caring for river environment like this orchid.
E.
fibri
is a rare and small plant, with oval leaves shorter or equivalent than the distance between nodes.
Its numerous small flowers are slightly opened and green-yellowish.
E.
fibri' s distribution is restricted to Rhone river islands downstream Lyon and it grows in very dark place.
Flowering season is particularly late an goes from July to October.