This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Abbildungen der in Deutschland und den angrenzenden gebieten vorkommenden grundformen der orchideenarten Pl Epipactis palu . in Epipaclis palustris 'ranlz Pl Epipactis palu Illustration biodiversitylibrary org title Krnzlin Friedrich Mller Walter NameFound Epipaclis palustris NameConfirmed Epipactis palustris Crantz excluded