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:
Pterothamnion crispum Crouan. Callithamnion plumula var crispum Pterothamnion crispum Callithamnion plumula var crispum Pterothamnion crispum ubourgogne fr php idarticle Alguier des frres Crouan Universit de Bourgogne PierreLouis Crouan HippolyteMarie Crouan PDold Pterothamnion crispum Crouan brothers herbarium