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:
Callitrichemarginata. Callitriche marginata winged water starwort At drying vernal pool in Carmel Mountain Preserve in northern San Diego city California The only Callitriche that occurs at this location own Stickpen released to public domain Callitriche marginata Vernal pools Flora of California Flora of the Peninsular Ranges