https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8921214
Primula veris (hollow-necked cow primrose);Caltha palustris (meadow sedge);Corydalis cava (hollow-rooted larkspur) by Maria Sibylla Merian
Original public domain image from Statens Museum for Kunst
Public DomainFree CC0 image for Personal and Business use